--- /dev/null
+/* Asynchronous subprocess control for XEmacs.
+ Copyright (C) 1985, 1986, 1987, 1988, 1992, 1993, 1994, 1995, 2003
+ Free Software Foundation, Inc.
+ Copyright (C) 1995 Sun Microsystems, Inc.
+ Copyright (C) 1995, 1996 Ben Wing.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* This file has been Mule-ized except for `start-process-internal',
+ `open-network-stream-internal' and `open-multicast-group-internal'. */
+
+/* This file has been split into process.c and process-unix.c by
+ Kirill M. Katsnelson <kkm@kis.ru>, so please bash him and not
+ the original author(s) */
+
+#include <config.h>
+
+#if !defined (NO_SUBPROCESSES)
+
+/* The entire file is within this conditional */
+
+#include "lisp.h"
+
+#include "buffer.h"
+#include "commands.h"
+#include "events.h"
+#include "frame.h"
+#include "hash.h"
+#include "insdel.h"
+#include "lstream.h"
+#include "opaque.h"
+#include "process.h"
+#include "procimpl.h"
+#include "window.h"
+#ifdef FILE_CODING
+#include "file-coding.h"
+#endif
+
+#include "sysfile.h"
+#include "sysproc.h"
+#include "systime.h"
+#include "syssignal.h" /* Always include before systty.h */
+#include "systty.h"
+#include "syswait.h"
+
+Lisp_Object Qprocessp, Qprocess_live_p, Qprocess_readable_p;
+
+/* Process methods */
+struct process_methods the_process_methods;
+
+/* a process object is a network connection when its pid field a cons
+ (name of name of port we are connected to . foreign host name) */
+
+/* Valid values of process->status_symbol */
+Lisp_Object Qrun, Qstop;
+/* Qrun => Qopen, Qexit => Qclosed for "network connection" processes */
+Lisp_Object Qopen, Qclosed;
+/* Protocol families */
+Lisp_Object Qtcp, Qudp;
+
+#ifdef HAVE_MULTICAST
+Lisp_Object Qmulticast; /* Will be used for occasional warnings */
+#endif
+
+/* t means use pty, nil means use a pipe,
+ maybe other values to come. */
+Lisp_Object Vprocess_connection_type;
+
+/* Read comments to DEFVAR of this */
+int windowed_process_io;
+
+#ifdef PROCESS_IO_BLOCKING
+/* List of port numbers or port names to set a blocking I/O mode.
+ Nil means set a non-blocking I/O mode [default]. */
+Lisp_Object network_stream_blocking_port_list;
+#endif /* PROCESS_IO_BLOCKING */
+
+/* Number of events of change of status of a process. */
+volatile int process_tick;
+
+/* Number of events for which the user or sentinel has been notified. */
+static int update_tick;
+
+/* Nonzero means delete a process right away if it exits. */
+int delete_exited_processes;
+
+/* Hash table which maps USIDs as returned by create_stream_pair_cb to
+ process objects. Processes are not GC-protected through this! */
+struct hash_table *usid_to_process;
+
+/* List of process objects. */
+Lisp_Object Vprocess_list;
+
+extern Lisp_Object Vlisp_EXEC_SUFFIXES;
+Lisp_Object Vnull_device;
+
+\f
+
+static Lisp_Object
+mark_process (Lisp_Object object)
+{
+ Lisp_Process *process = XPROCESS (object);
+ MAYBE_PROCMETH (mark_process_data, (process));
+ mark_object (process->name);
+ mark_object (process->command);
+ mark_object (process->filter);
+ mark_object (process->sentinel);
+ mark_object (process->buffer);
+ mark_object (process->mark);
+ mark_object (process->pid);
+ mark_object (process->pipe_instream);
+ mark_object (process->pipe_outstream);
+#ifdef FILE_CODING
+ mark_object (process->coding_instream);
+ mark_object (process->coding_outstream);
+#endif
+ return process->status_symbol;
+}
+
+static void
+print_process (Lisp_Object object, Lisp_Object printcharfun, int escapeflag)
+{
+ Lisp_Process *process = XPROCESS (object);
+
+ if (print_readably)
+ error ("printing unreadable object #<process %s>",
+ XSTRING_DATA (process->name));
+
+ if (!escapeflag)
+ {
+ print_internal (process->name, printcharfun, 0);
+ }
+ else
+ {
+ int netp = network_connection_p (object);
+ write_c_string ((netp ? GETTEXT ("#<network connection ") :
+ GETTEXT ("#<process ")), printcharfun);
+ print_internal (process->name, printcharfun, 1);
+ write_c_string ((netp ? " " : " pid "), printcharfun);
+ print_internal (process->pid, printcharfun, 1);
+ write_c_string (" state:", printcharfun);
+ print_internal (process->status_symbol, printcharfun, 1);
+ MAYBE_PROCMETH (print_process_data, (process, printcharfun));
+ write_c_string (">", printcharfun);
+ }
+}
+
+#ifdef HAVE_WINDOW_SYSTEM
+extern void debug_process_finalization (Lisp_Process *p);
+#endif /* HAVE_WINDOW_SYSTEM */
+
+static void
+finalize_process (void *header, int for_disksave)
+{
+ /* #### this probably needs to be tied into the tty event loop */
+ /* #### when there is one */
+ Lisp_Process *p = (Lisp_Process *) header;
+#ifdef HAVE_WINDOW_SYSTEM
+ if (!for_disksave)
+ {
+ debug_process_finalization (p);
+ }
+#endif /* HAVE_WINDOW_SYSTEM */
+
+ if (p->process_data)
+ {
+ MAYBE_PROCMETH (finalize_process_data, (p, for_disksave));
+ if (!for_disksave)
+ xfree (p->process_data);
+ }
+}
+
+DEFINE_LRECORD_IMPLEMENTATION ("process", process,
+ mark_process, print_process, finalize_process,
+ 0, 0, 0, Lisp_Process);
+\f
+/************************************************************************/
+/* basic process accessors */
+/************************************************************************/
+
+/* Under FILE_CODING, this function returns low-level streams, connected
+ directly to the child process, rather than en/decoding FILE_CODING
+ streams */
+void
+get_process_streams (Lisp_Process *p, Lisp_Object *instr, Lisp_Object *outstr)
+{
+ assert (p);
+ assert (NILP (p->pipe_instream) || LSTREAMP(p->pipe_instream));
+ assert (NILP (p->pipe_outstream) || LSTREAMP(p->pipe_outstream));
+ *instr = p->pipe_instream;
+ *outstr = p->pipe_outstream;
+}
+
+Lisp_Process *
+get_process_from_usid (USID usid)
+{
+ const void *vval;
+
+ assert (usid != USID_ERROR && usid != USID_DONTHASH);
+
+ if (gethash ((const void*)usid, usid_to_process, &vval))
+ {
+ Lisp_Object process;
+ CVOID_TO_LISP (process, vval);
+ return XPROCESS (process);
+ }
+ else
+ return 0;
+}
+
+int
+get_process_selected_p (Lisp_Process *p)
+{
+ return p->selected;
+}
+
+void
+set_process_selected_p (Lisp_Process *p, int selected_p)
+{
+ p->selected = !!selected_p;
+}
+
+int
+connected_via_filedesc_p (Lisp_Process *p)
+{
+ return MAYBE_INT_PROCMETH (tooltalk_connection_p, (p));
+}
+
+#ifdef HAVE_SOCKETS
+int
+network_connection_p (Lisp_Object process)
+{
+ return CONSP (XPROCESS (process)->pid);
+}
+#endif
+
+DEFUN ("processp", Fprocessp, 1, 1, 0, /*
+Return t if OBJECT is a process.
+*/
+ (object))
+{
+ return PROCESSP (object) ? Qt : Qnil;
+}
+
+DEFUN ("process-live-p", Fprocess_live_p, 1, 1, 0, /*
+Return t if OBJECT is a process that is alive.
+*/
+ (object))
+{
+ return PROCESSP (object) && PROCESS_LIVE_P (XPROCESS (object))
+ ? Qt : Qnil;
+}
+
+#if 0
+/* This is a reasonable definition for this new primitive. Kyle sez:
+
+ "The patch looks OK to me except for the creation and exporting of the
+ Fprocess_readable_p function. I don't think a new Lisp function
+ should be created until we know something actually needs it. If
+ we later want to give process-readable-p different semantics it
+ may be hard to do it and stay compatible with what we hastily
+ create today."
+
+ He's right, not yet. Let's discuss the semantics on XEmacs Design
+ before enabling this.
+*/
+DEFUN ("process-readable-p", Fprocess_readable_p, 1, 1, 0, /*
+Return t if OBJECT is a process from which input may be available.
+*/
+ (object))
+{
+ return PROCESSP (object) && PROCESS_READABLE_P (XPROCESS (object))
+ ? Qt : Qnil;
+}
+#endif
+
+DEFUN ("process-list", Fprocess_list, 0, 0, 0, /*
+Return a list of all processes.
+*/
+ ())
+{
+ return Fcopy_sequence (Vprocess_list);
+}
+
+DEFUN ("get-process", Fget_process, 1, 1, 0, /*
+Return the process named PROCESS-NAME (a string), or nil if there is none.
+PROCESS-NAME may also be a process; if so, the value is that process.
+*/
+ (process_name))
+{
+ if (PROCESSP (process_name))
+ return process_name;
+
+ if (!gc_in_progress)
+ /* this only gets called during GC when emacs is going away as a result
+ of a signal or crash. */
+ CHECK_STRING (process_name);
+
+ {
+ LIST_LOOP_2 (process, Vprocess_list)
+ if (internal_equal (process_name, XPROCESS (process)->name, 0))
+ return process;
+ }
+ return Qnil;
+}
+
+DEFUN ("get-buffer-process", Fget_buffer_process, 1, 1, 0, /*
+Return the (or, a) process associated with BUFFER.
+BUFFER may be a buffer or the name of one.
+*/
+ (buffer))
+{
+ if (NILP (buffer)) return Qnil;
+ buffer = Fget_buffer (buffer);
+ if (NILP (buffer)) return Qnil;
+
+ {
+ LIST_LOOP_2 (process, Vprocess_list)
+ if (EQ (XPROCESS (process)->buffer, buffer))
+ return process;
+ }
+ return Qnil;
+}
+
+/* This is how commands for the user decode process arguments. It
+ accepts a process, a process name, a buffer, a buffer name, or nil.
+ Buffers denote the first process in the buffer, and nil denotes the
+ current buffer. */
+
+static Lisp_Object
+get_process (Lisp_Object name)
+{
+ Lisp_Object buffer;
+
+#ifdef I18N3
+ /* #### Look more closely into translating process names. */
+#endif
+
+ /* This may be called during a GC from process_send_signal() from
+ kill_buffer_processes() if emacs decides to ABORT(). */
+ if (PROCESSP (name))
+ return name;
+ else if (STRINGP (name))
+ {
+ Lisp_Object object = Fget_process (name);
+ if (PROCESSP (object))
+ return object;
+
+ buffer = Fget_buffer (name);
+ if (BUFFERP (buffer))
+ goto have_buffer_object;
+
+ error ("Process %s does not exist", XSTRING_DATA (name));
+ }
+ else if (NILP (name))
+ {
+ buffer = Fcurrent_buffer ();
+ goto have_buffer_object;
+ }
+ else if (BUFFERP (name))
+ {
+ Lisp_Object process;
+ buffer = name;
+
+ have_buffer_object:
+ process = Fget_buffer_process (buffer);
+ if (PROCESSP (process))
+ return process;
+
+ error ("Buffer %s has no process",
+ XSTRING_DATA (XBUFFER (buffer)->name));
+ }
+ else
+ return get_process (Fsignal (Qwrong_type_argument,
+ (list2 (build_string ("process or buffer or nil"),
+ name))));
+}
+
+DEFUN ("process-id", Fprocess_id, 1, 1, 0, /*
+Return the process id of PROCESS.
+This is the pid of the Unix process which PROCESS uses or talks to.
+For a network connection, this value is a cons of
+ (foreign-network-port . foreign-host-name).
+*/
+ (process))
+{
+ Lisp_Object pid;
+ CHECK_PROCESS (process);
+
+ pid = XPROCESS (process)->pid;
+ if (network_connection_p (process))
+ /* return Qnil; */
+ return Fcons (Fcar (pid), Fcdr (pid));
+ else
+ return pid;
+}
+
+DEFUN ("process-name", Fprocess_name, 1, 1, 0, /*
+Return the name of PROCESS, as a string.
+This is the name of the program invoked in PROCESS,
+possibly modified to make it unique among process names.
+*/
+ (process))
+{
+ CHECK_PROCESS (process);
+ return XPROCESS (process)->name;
+}
+
+DEFUN ("process-command", Fprocess_command, 1, 1, 0, /*
+Return the command that was executed to start PROCESS.
+This is a list of strings, the first string being the program executed
+and the rest of the strings being the arguments given to it.
+*/
+ (process))
+{
+ CHECK_PROCESS (process);
+ return XPROCESS (process)->command;
+}
+
+\f
+/************************************************************************/
+/* creating a process */
+/************************************************************************/
+
+Lisp_Object
+make_process_internal (Lisp_Object name)
+{
+ Lisp_Object val, name1;
+ int i;
+ Lisp_Process *p = alloc_lcrecord_type (Lisp_Process, &lrecord_process);
+
+ /* If name is already in use, modify it until it is unused. */
+ name1 = name;
+ for (i = 1; ; i++)
+ {
+ char suffix[10];
+ Lisp_Object tem = Fget_process (name1);
+ if (NILP (tem))
+ break;
+ sprintf (suffix, "<%d>", i);
+ name1 = concat2 (name, build_string (suffix));
+ }
+ name = name1;
+ p->name = name;
+
+ p->command = Qnil;
+ p->filter = Qnil;
+ p->sentinel = Qnil;
+ p->buffer = Qnil;
+ p->mark = Fmake_marker ();
+ p->pid = Qnil;
+ p->status_symbol = Qrun;
+ p->exit_code = 0;
+ p->core_dumped = 0;
+ p->filter_does_read = 0;
+ p->kill_without_query = 0;
+ p->selected = 0;
+ p->tick = 0;
+ p->update_tick = 0;
+ p->pipe_instream = Qnil;
+ p->pipe_outstream = Qnil;
+#ifdef FILE_CODING
+ p->coding_instream = Qnil;
+ p->coding_outstream = Qnil;
+#endif
+
+ p->process_data = 0;
+ MAYBE_PROCMETH (alloc_process_data, (p));
+
+ XSETPROCESS (val, p);
+
+ Vprocess_list = Fcons (val, Vprocess_list);
+ return val;
+}
+
+void
+init_process_io_handles (Lisp_Process *p, void* in, void* out, int flags)
+{
+ USID usid = event_stream_create_stream_pair (in, out,
+ &p->pipe_instream, &p->pipe_outstream,
+ flags);
+
+ if (usid == USID_ERROR)
+ report_file_error ("Setting up communication with subprocess", Qnil);
+
+ if (usid != USID_DONTHASH)
+ {
+ Lisp_Object process = Qnil;
+ XSETPROCESS (process, p);
+ puthash ((const void*)usid, LISP_TO_VOID (process), usid_to_process);
+ }
+
+ MAYBE_PROCMETH (init_process_io_handles, (p, in, out, flags));
+
+#ifdef FILE_CODING
+ p->coding_instream = make_decoding_input_stream
+ (XLSTREAM (p->pipe_instream),
+ Fget_coding_system (Vcoding_system_for_read));
+ Lstream_set_character_mode (XLSTREAM (p->coding_instream));
+ p->coding_outstream = make_encoding_output_stream
+ (XLSTREAM (p->pipe_outstream),
+ Fget_coding_system (Vcoding_system_for_write));
+ /* CODE_CNTL (&out_state[outchannel]) |= CC_END; !!####
+ What's going on here? */
+#endif /* FILE_CODING */
+}
+
+static void
+create_process (Lisp_Object process, Lisp_Object *argv, int nargv,
+ Lisp_Object program, Lisp_Object cur_dir)
+{
+ Lisp_Process *p = XPROCESS (process);
+ int pid;
+
+ /* *_create_process may change status_symbol, if the process
+ is a kind of "fire-and-forget" (no I/O, unwaitable) */
+ p->status_symbol = Qrun;
+ p->exit_code = 0;
+
+ pid = PROCMETH (create_process, (p, argv, nargv, program, cur_dir));
+
+ p->pid = make_int (pid);
+ if (PROCESS_READABLE_P (p))
+ event_stream_select_process (p);
+}
+
+/* This function is the unwind_protect form for Fstart_process_internal. If
+ PROCESS doesn't have its pid set, then we know someone has signalled
+ an error and the process wasn't started successfully, so we should
+ remove it from the process list. */
+static void remove_process (Lisp_Object process);
+static Lisp_Object
+start_process_unwind (Lisp_Object process)
+{
+ /* Was PROCESS started successfully? */
+ if (EQ (XPROCESS (process)->pid, Qnil))
+ remove_process (process);
+ return Qnil;
+}
+
+DEFUN ("start-process-internal", Fstart_process_internal, 3, MANY, 0, /*
+Start a program in a subprocess. Return the process object for it.
+Args are NAME BUFFER PROGRAM &rest PROGRAM-ARGS
+NAME is name for process. It is modified if necessary to make it unique.
+BUFFER is the buffer or (buffer-name) to associate with the process.
+ Process output goes at end of that buffer, unless you specify
+ an output stream or filter function to handle the output.
+ BUFFER may be also nil, meaning that this process is not associated
+ with any buffer
+Third arg is program file name. It is searched for as in the shell.
+Remaining arguments are strings to give program as arguments.
+If bound, `coding-system-for-read' and `coding-system-for-write' specify
+ the coding-system objects used in input from and output to the process.
+*/
+ (int nargs, Lisp_Object *args))
+{
+ /* This function can call lisp */
+ /* !!#### This function has not been Mule-ized */
+ Lisp_Object buffer, name, program, process, current_dir;
+ Lisp_Object tem;
+ int i;
+ int speccount = specpdl_depth ();
+ struct gcpro gcpro1, gcpro2, gcpro3;
+
+ name = args[0];
+ buffer = args[1];
+ program = args[2];
+ current_dir = Qnil;
+
+ /* Protect against various file handlers doing GCs below. */
+ GCPRO3 (buffer, program, current_dir);
+
+ if (!NILP (buffer))
+ buffer = Fget_buffer_create (buffer);
+
+ CHECK_STRING (name);
+ CHECK_STRING (program);
+ for (i = 3; i < nargs; ++i)
+ CHECK_STRING (args[i]);
+
+ /* Make sure that the child will be able to chdir to the current
+ buffer's current directory, or its unhandled equivalent. We
+ can't just have the child check for an error when it does the
+ chdir, since it's in a vfork.
+
+ Note: these assignments and calls are like this in order to insure
+ "caller protects args" GC semantics. */
+ current_dir = current_buffer->directory;
+ current_dir = Funhandled_file_name_directory (current_dir);
+ current_dir = expand_and_dir_to_file (current_dir, Qnil);
+
+#if 0 /* This loser breaks ange-ftp */
+ /* dmoore - if you re-enable this code, you have to gcprotect
+ current_buffer through the above calls. */
+ if (NILP (Ffile_accessible_directory_p (current_dir)))
+ report_file_error ("Setting current directory",
+ list1 (current_buffer->directory));
+#endif /* 0 */
+
+ /* If program file name is not absolute, search our path for it */
+ if (!IS_DIRECTORY_SEP (XSTRING_BYTE (program, 0))
+ && !(XSTRING_LENGTH (program) > 1
+ && IS_DEVICE_SEP (XSTRING_BYTE (program, 1))))
+ {
+ struct gcpro ngcpro1;
+
+ tem = Qnil;
+ NGCPRO1 (tem);
+ locate_file (Vexec_path, program, Vlisp_EXEC_SUFFIXES, &tem, X_OK);
+ if (NILP (tem))
+ report_file_error ("Searching for program", list1 (program));
+ program = Fexpand_file_name (tem, Qnil);
+ NUNGCPRO;
+ }
+ else
+ {
+ /* we still need to canonicalize it and ensure it has the proper
+ ending, e.g. .exe */
+ struct gcpro ngcpro1;
+
+ tem = Qnil;
+ NGCPRO1 (tem);
+ locate_file (list1 (build_string ("")), program, Vlisp_EXEC_SUFFIXES,
+ &tem, X_OK);
+ if (NILP (tem))
+ report_file_error ("Searching for program", list1 (program));
+ program = tem;
+ NUNGCPRO;
+ }
+
+ if (!NILP (Ffile_directory_p (program)))
+ invalid_operation ("Specified program for new process is a directory",
+ program);
+
+ process = make_process_internal (name);
+
+ XPROCESS (process)->buffer = buffer;
+ XPROCESS (process)->command = Flist (nargs - 2,
+ args + 2);
+
+ /* Make the process marker point into the process buffer (if any). */
+ if (!NILP (buffer))
+ Fset_marker (XPROCESS (process)->mark,
+ make_int (BUF_ZV (XBUFFER (buffer))), buffer);
+
+ /* If an error occurs and we can't start the process, we want to
+ remove it from the process list. This means that each error
+ check in create_process doesn't need to call remove_process
+ itself; it's all taken care of here. */
+ record_unwind_protect (start_process_unwind, process);
+
+ create_process (process, args + 3, nargs - 3, program, current_dir);
+
+ UNGCPRO;
+ return unbind_to (speccount, process);
+}
+
+\f
+#ifdef HAVE_SOCKETS
+
+
+/* #### The network support is fairly synthetical. What we actually
+ need is a single function, which supports all datagram, stream and
+ packet stream connections, arbitrary protocol families should they
+ be supported by the target system, multicast groups, in both data
+ and control rooted/nonrooted flavors, service quality etc whatever
+ is supported by the underlying network.
+
+ It must accept a property list describing the connection. The current
+ functions must then go to lisp and provide a suitable list for the
+ generalized connection function.
+
+ Both UNIX and Win32 support BSD sockets, and there are many extensions
+ available (Sockets 2 spec).
+
+ A todo is define a consistent set of properties abstracting a
+ network connection. -kkm
+*/
+
+
+/* open a TCP network connection to a given HOST/SERVICE. Treated
+ exactly like a normal process when reading and writing. Only
+ differences are in status display and process deletion. A network
+ connection has no PID; you cannot signal it. All you can do is
+ deactivate and close it via delete-process */
+
+DEFUN ("open-network-stream-internal", Fopen_network_stream_internal, 4, 5,
+ 0, /*
+Open a TCP connection for a service to a host.
+Return a process object to represent the connection.
+Input and output work as for subprocesses; `delete-process' closes it.
+
+NAME is name for process. It is modified if necessary to make it unique.
+BUFFER is the buffer (or buffer-name) to associate with the process.
+ Process output goes at end of that buffer, unless you specify
+ an output stream or filter function to handle the output.
+ BUFFER may also be nil, meaning that this process is not associated
+ with any buffer.
+Third arg HOST (a string) is the name of the host to connect to,
+ or its IP address.
+Fourth arg SERVICE is the name of the service desired (a string),
+ or an integer specifying a port number to connect to.
+Optional fifth arg PROTOCOL is a network protocol. Currently only 'tcp
+ (Transmission Control Protocol) and 'udp (User Datagram Protocol) are
+ supported. When omitted, 'tcp is assumed.
+
+Output via `process-send-string' and input via buffer or filter (see
+`set-process-filter') are stream-oriented. That means UDP datagrams are
+not guaranteed to be sent and received in discrete packets. (But small
+datagrams around 500 bytes that are not truncated by `process-send-string'
+are usually fine.) Note further that the UDP protocol does not guard
+against lost packets.
+*/
+ (name, buffer, host, service, protocol))
+{
+ /* !!#### This function has not been Mule-ized */
+ /* This function can GC */
+ Lisp_Object process = Qnil;
+ struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, ngcpro1;
+ void *inch, *outch;
+
+ GCPRO5 (name, buffer, host, service, protocol);
+ CHECK_STRING (name);
+
+ if (NILP(protocol))
+ protocol = Qtcp;
+ else
+ CHECK_SYMBOL (protocol);
+
+ /* Since this code is inside HAVE_SOCKETS, existence of
+ open_network_stream is mandatory */
+ PROCMETH (open_network_stream, (name, host, service, protocol,
+ &inch, &outch));
+
+ if (!NILP (buffer))
+ buffer = Fget_buffer_create (buffer);
+ process = make_process_internal (name);
+ NGCPRO1 (process);
+
+ XPROCESS (process)->pid = Fcons (service, host);
+ XPROCESS (process)->buffer = buffer;
+ init_process_io_handles (XPROCESS (process), (void*)inch, (void*)outch,
+ STREAM_NETWORK_CONNECTION);
+
+ event_stream_select_process (XPROCESS (process));
+
+ NUNGCPRO;
+ UNGCPRO;
+ return process;
+}
+
+#ifdef HAVE_MULTICAST
+
+DEFUN ("open-multicast-group-internal", Fopen_multicast_group_internal, 5, 5, 0, /*
+Open a multicast connection on the specified dest/port/ttl.
+Return a process object to represent the connection.
+Input and output work as for subprocesses; `delete-process' closes it.
+
+NAME is name for process. It is modified if necessary to make it unique.
+BUFFER is the buffer (or buffer-name) to associate with the process.
+ Process output goes at end of that buffer, unless you specify
+ an output stream or filter function to handle the output.
+ BUFFER may also be nil, meaning that this process is not associated
+ with any buffer.
+Third, fourth and fifth args are the multicast destination group, port and ttl.
+ dest must be an internet address between 224.0.0.0 and 239.255.255.255
+ port is a communication port like in traditional unicast
+ ttl is the time-to-live (15 for site, 63 for region and 127 for world)
+*/
+ (name, buffer, dest, port, ttl))
+{
+ /* !!#### This function has not been Mule-ized */
+ /* This function can GC */
+ Lisp_Object process = Qnil;
+ struct gcpro gcpro1;
+ void *inch, *outch;
+
+ CHECK_STRING (name);
+
+ /* Since this code is inside HAVE_MULTICAST, existence of
+ open_network_stream is mandatory */
+ PROCMETH (open_multicast_group, (name, dest, port, ttl,
+ &inch, &outch));
+
+ if (!NILP (buffer))
+ buffer = Fget_buffer_create (buffer);
+
+ process = make_process_internal (name);
+ GCPRO1 (process);
+
+ XPROCESS (process)->pid = Fcons (port, dest);
+ XPROCESS (process)->buffer = buffer;
+ init_process_io_handles (XPROCESS (process), (void*)inch, (void*)outch,
+ STREAM_NETWORK_CONNECTION);
+
+ event_stream_select_process (XPROCESS (process));
+
+ UNGCPRO;
+ return process;
+}
+#endif /* HAVE_MULTICAST */
+
+#endif /* HAVE_SOCKETS */
+
+Lisp_Object
+canonicalize_host_name (Lisp_Object host)
+{
+ return PROCMETH_OR_GIVEN (canonicalize_host_name, (host), host);
+}
+
+\f
+DEFUN ("set-process-window-size", Fset_process_window_size, 3, 3, 0, /*
+Tell PROCESS that it has logical window size HEIGHT and WIDTH.
+*/
+ (process, height, width))
+{
+ CHECK_PROCESS (process);
+ CHECK_NATNUM (height);
+ CHECK_NATNUM (width);
+ return
+ MAYBE_INT_PROCMETH (set_window_size,
+ (XPROCESS (process), XINT (height), XINT (width))) <= 0
+ ? Qnil : Qt;
+}
+
+\f
+/************************************************************************/
+/* Process I/O */
+/************************************************************************/
+
+/* Read pending output from the process channel,
+ starting with our buffered-ahead character if we have one.
+ Yield number of characters read.
+
+ This function reads at most 1024 bytes.
+ If you want to read all available subprocess output,
+ you must call it repeatedly until it returns zero. */
+
+Charcount
+read_process_output (Lisp_Object process)
+{
+ /* This function can GC */
+ Bytecount nbytes, nchars;
+ Bufbyte chars[1024];
+ Lisp_Object outstream;
+ Lisp_Process *p = XPROCESS (process);
+
+ /* If there is a lot of output from the subprocess, the loop in
+ execute_internal_event() might call read_process_output() more
+ than once. If the filter that was executed from one of these
+ calls set the filter to t, we have to stop now. Return -1 rather
+ than 0 so execute_internal_event() doesn't close the process.
+ Really, the loop in execute_internal_event() should check itself
+ for a process-filter change, like in status_notify(); but the
+ struct Lisp_Process is not exported outside of this file. */
+ if (!PROCESS_READABLE_P (p))
+ return -1; /* already closed */
+
+ if (!NILP (p->filter) && (p->filter_does_read))
+ {
+ Lisp_Object filter_result;
+
+ /* Some weird FSFmacs crap here with
+ Vdeactivate_mark and current_buffer->keymap */
+ running_asynch_code = 1;
+ filter_result = call2_trapping_errors ("Error in process filter",
+ p->filter, process, Qnil);
+ running_asynch_code = 0;
+ restore_match_data ();
+ CHECK_INT (filter_result);
+ return XINT (filter_result);
+ }
+
+ nbytes = Lstream_read (XLSTREAM (DATA_INSTREAM(p)), chars, sizeof (chars));
+ if (nbytes <= 0) return nbytes;
+
+ nchars = bytecount_to_charcount (chars, nbytes);
+ outstream = p->filter;
+ if (!NILP (outstream))
+ {
+ /* We used to bind inhibit-quit to t here, but
+ call2_trapping_errors() does that for us. */
+ running_asynch_code = 1;
+ call2_trapping_errors ("Error in process filter",
+ outstream, process, make_string (chars, nbytes));
+ running_asynch_code = 0;
+ restore_match_data ();
+ return nchars;
+ }
+
+ /* If no filter, write into buffer if it isn't dead. */
+ if (!NILP (p->buffer) && BUFFER_LIVE_P (XBUFFER (p->buffer)))
+ {
+ Lisp_Object old_read_only = Qnil;
+ Bufpos old_point;
+ Bufpos old_begv;
+ Bufpos old_zv;
+ int old_zmacs_region_stays = zmacs_region_stays;
+ struct gcpro gcpro1, gcpro2;
+ struct buffer *buf = XBUFFER (p->buffer);
+
+ GCPRO2 (process, old_read_only);
+
+ old_point = BUF_PT (buf);
+ old_begv = BUF_BEGV (buf);
+ old_zv = BUF_ZV (buf);
+ old_read_only = buf->read_only;
+ buf->read_only = Qnil;
+
+ /* Insert new output into buffer
+ at the current end-of-output marker,
+ thus preserving logical ordering of input and output. */
+ if (XMARKER (p->mark)->buffer)
+ BUF_SET_PT (buf,
+ bufpos_clip_to_bounds (old_begv, marker_position (p->mark),
+ old_zv));
+ else
+ BUF_SET_PT (buf, old_zv);
+
+ /* If the output marker is outside of the visible region, save
+ the restriction and widen. */
+ if (! (BUF_BEGV (buf) <= BUF_PT (buf) &&
+ BUF_PT (buf) <= BUF_ZV (buf)))
+ Fwiden (p->buffer);
+
+ /* Make sure opoint floats ahead of any new text, just as point
+ would. */
+ if (BUF_PT (buf) <= old_point)
+ old_point += nchars;
+
+ /* Insert after old_begv, but before old_zv. */
+ if (BUF_PT (buf) < old_begv)
+ old_begv += nchars;
+ if (BUF_PT (buf) <= old_zv)
+ old_zv += nchars;
+
+#if 0
+ /* This screws up initial display of the window. jla */
+
+ /* Insert before markers in case we are inserting where
+ the buffer's mark is, and the user's next command is Meta-y. */
+ buffer_insert_raw_string_1 (buf, -1, chars,
+ nbytes, INSDEL_BEFORE_MARKERS);
+#else
+ buffer_insert_raw_string (buf, chars, nbytes);
+#endif
+
+ Fset_marker (p->mark, make_int (BUF_PT (buf)), p->buffer);
+
+ MARK_MODELINE_CHANGED;
+
+ /* If the restriction isn't what it should be, set it. */
+ if (old_begv != BUF_BEGV (buf) || old_zv != BUF_ZV (buf))
+ {
+ Fwiden(p->buffer);
+ old_begv = bufpos_clip_to_bounds (BUF_BEG (buf),
+ old_begv,
+ BUF_Z (buf));
+ old_zv = bufpos_clip_to_bounds (BUF_BEG (buf),
+ old_zv,
+ BUF_Z (buf));
+ Fnarrow_to_region (make_int (old_begv), make_int (old_zv),
+ p->buffer);
+ }
+
+ /* Handling the process output should not deactivate the mark. */
+ zmacs_region_stays = old_zmacs_region_stays;
+ buf->read_only = old_read_only;
+ old_point = bufpos_clip_to_bounds (BUF_BEGV (buf),
+ old_point,
+ BUF_ZV (buf));
+ BUF_SET_PT (buf, old_point);
+
+ UNGCPRO;
+ }
+ return nchars;
+}
+\f
+/* Sending data to subprocess */
+
+/* send some data to process PROCESS. If NONRELOCATABLE is non-NULL, it
+ specifies the address of the data. Otherwise, the data comes from the
+ object RELOCATABLE (either a string or a buffer). START and LEN
+ specify the offset and length of the data to send.
+
+ Note that START and LEN are in Bufpos's if RELOCATABLE is a buffer,
+ and in Bytecounts otherwise. */
+
+void
+send_process (Lisp_Object process,
+ Lisp_Object relocatable, const Bufbyte *nonrelocatable,
+ int start, int len)
+{
+ /* This function can GC */
+ struct gcpro gcpro1, gcpro2;
+ Lisp_Object lstream = Qnil;
+
+ GCPRO2 (process, lstream);
+
+ if (NILP (DATA_OUTSTREAM (XPROCESS (process))))
+ signal_simple_error ("Process not open for writing", process);
+
+ if (nonrelocatable)
+ lstream =
+ make_fixed_buffer_input_stream (nonrelocatable + start, len);
+ else if (BUFFERP (relocatable))
+ lstream = make_lisp_buffer_input_stream (XBUFFER (relocatable),
+ start, start + len, 0);
+ else
+ lstream = make_lisp_string_input_stream (relocatable, start, len);
+
+ PROCMETH (send_process, (process, XLSTREAM (lstream)));
+
+ UNGCPRO;
+ Lstream_delete (XLSTREAM (lstream));
+}
+
+DEFUN ("process-tty-name", Fprocess_tty_name, 1, 1, 0, /*
+Return the name of the terminal PROCESS uses, or nil if none.
+This is the terminal that the process itself reads and writes on,
+not the name of the pty that Emacs uses to talk with that terminal.
+*/
+ (process))
+{
+ CHECK_PROCESS (process);
+ return MAYBE_LISP_PROCMETH (get_tty_name, (XPROCESS (process)));
+}
+
+DEFUN ("set-process-buffer", Fset_process_buffer, 2, 2, 0, /*
+Set buffer associated with PROCESS to BUFFER (a buffer, or nil).
+*/
+ (process, buffer))
+{
+ CHECK_PROCESS (process);
+ if (!NILP (buffer))
+ CHECK_BUFFER (buffer);
+ XPROCESS (process)->buffer = buffer;
+ return buffer;
+}
+
+DEFUN ("process-buffer", Fprocess_buffer, 1, 1, 0, /*
+Return the buffer PROCESS is associated with.
+Output from PROCESS is inserted in this buffer
+unless PROCESS has a filter.
+*/
+ (process))
+{
+ CHECK_PROCESS (process);
+ return XPROCESS (process)->buffer;
+}
+
+DEFUN ("process-mark", Fprocess_mark, 1, 1, 0, /*
+Return the marker for the end of the last output from PROCESS.
+*/
+ (process))
+{
+ CHECK_PROCESS (process);
+ return XPROCESS (process)->mark;
+}
+
+void
+set_process_filter (Lisp_Object process, Lisp_Object filter, int filter_does_read)
+{
+ CHECK_PROCESS (process);
+ if (PROCESS_READABLE_P (XPROCESS (process))) {
+ if (EQ (filter, Qt))
+ event_stream_unselect_process (XPROCESS (process));
+ else
+ event_stream_select_process (XPROCESS (process));
+ }
+
+ XPROCESS (process)->filter = filter;
+ XPROCESS (process)->filter_does_read = filter_does_read;
+}
+
+DEFUN ("set-process-filter", Fset_process_filter, 2, 2, 0, /*
+Give PROCESS the filter function FILTER; nil means no filter.
+t means stop accepting output from the process.
+When a process has a filter, each time it does output
+the entire string of output is passed to the filter.
+The filter gets two arguments: the process and the string of output.
+If the process has a filter, its buffer is not used for output.
+*/
+ (process, filter))
+{
+ set_process_filter (process, filter, 0);
+ return filter;
+}
+
+DEFUN ("process-filter", Fprocess_filter, 1, 1, 0, /*
+Return the filter function of PROCESS; nil if none.
+See `set-process-filter' for more info on filter functions.
+*/
+ (process))
+{
+ CHECK_PROCESS (process);
+ return XPROCESS (process)->filter;
+}
+
+DEFUN ("process-send-region", Fprocess_send_region, 3, 4, 0, /*
+Send current contents of the region between START and END as input to PROCESS.
+PROCESS may be a process or the name of a process, or a buffer or the
+name of a buffer, in which case the buffer's process is used. If it
+is nil, the current buffer's process is used.
+BUFFER specifies the buffer to look in; if nil, the current buffer is used.
+If STRING is more than 100 or so characters long, it may be sent in
+several chunks. This may happen even for shorter strings. Output
+from processes can arrive in between chunks.
+*/
+ (process, start, end, buffer))
+{
+ /* This function can GC */
+ Bufpos bstart, bend;
+ struct buffer *buf = decode_buffer (buffer, 0);
+
+ XSETBUFFER (buffer, buf);
+ process = get_process (process);
+ get_buffer_range_char (buf, start, end, &bstart, &bend, 0);
+
+ send_process (process, buffer, 0, bstart, bend - bstart);
+ return Qnil;
+}
+
+DEFUN ("process-send-string", Fprocess_send_string, 2, 4, 0, /*
+Send PROCESS the contents of STRING as input.
+PROCESS may be a process or the name of a process, or a buffer or the
+name of a buffer, in which case the buffer's process is used. If it
+is nil, the current buffer's process is used.
+Optional arguments START and END specify part of STRING; see `substring'.
+If STRING is more than 100 or so characters long, it may be sent in
+several chunks. This may happen even for shorter strings. Output
+from processes can arrive in between chunks.
+*/
+ (process, string, start, end))
+{
+ /* This function can GC */
+ Bytecount bstart, bend;
+
+ process = get_process (process);
+ CHECK_STRING (string);
+ get_string_range_byte (string, start, end, &bstart, &bend,
+ GB_HISTORICAL_STRING_BEHAVIOR);
+
+ send_process (process, string, 0, bstart, bend - bstart);
+ return Qnil;
+}
+
+#ifdef FILE_CODING
+
+DEFUN ("process-input-coding-system", Fprocess_input_coding_system, 1, 1, 0, /*
+Return PROCESS's input coding system.
+*/
+ (process))
+{
+ process = get_process (process);
+ CHECK_READABLE_PROCESS (process);
+ return decoding_stream_coding_system (XLSTREAM (XPROCESS (process)->coding_instream) );
+}
+
+DEFUN ("process-output-coding-system", Fprocess_output_coding_system, 1, 1, 0, /*
+Return PROCESS's output coding system.
+*/
+ (process))
+{
+ process = get_process (process);
+ CHECK_LIVE_PROCESS (process);
+ return encoding_stream_coding_system (XLSTREAM (XPROCESS (process)->coding_outstream));
+}
+
+DEFUN ("process-coding-system", Fprocess_coding_system, 1, 1, 0, /*
+Return a pair of coding-system for decoding and encoding of PROCESS.
+*/
+ (process))
+{
+ process = get_process (process);
+ CHECK_READABLE_PROCESS (process);
+ return Fcons (decoding_stream_coding_system
+ (XLSTREAM (XPROCESS (process)->coding_instream)),
+ encoding_stream_coding_system
+ (XLSTREAM (XPROCESS (process)->coding_outstream)));
+}
+
+DEFUN ("set-process-input-coding-system", Fset_process_input_coding_system,
+ 2, 2, 0, /*
+Set PROCESS's input coding system to CODESYS.
+*/
+ (process, codesys))
+{
+ codesys = Fget_coding_system (codesys);
+ process = get_process (process);
+ CHECK_READABLE_PROCESS (process);
+
+ set_decoding_stream_coding_system
+ (XLSTREAM (XPROCESS (process)->coding_instream), codesys);
+ return Qnil;
+}
+
+DEFUN ("set-process-output-coding-system", Fset_process_output_coding_system,
+ 2, 2, 0, /*
+Set PROCESS's output coding system to CODESYS.
+*/
+ (process, codesys))
+{
+ codesys = Fget_coding_system (codesys);
+ process = get_process (process);
+ CHECK_LIVE_PROCESS (process);
+
+ set_encoding_stream_coding_system
+ (XLSTREAM (XPROCESS (process)->coding_outstream), codesys);
+ return Qnil;
+}
+
+DEFUN ("set-process-coding-system", Fset_process_coding_system,
+ 1, 3, 0, /*
+Set coding-systems of PROCESS to DECODING and ENCODING.
+DECODING will be used to decode subprocess output and ENCODING to
+encode subprocess input.
+*/
+ (process, decoding, encoding))
+{
+ if (!NILP (decoding))
+ Fset_process_input_coding_system (process, decoding);
+
+ if (!NILP (encoding))
+ Fset_process_output_coding_system (process, encoding);
+
+ return Qnil;
+}
+
+#endif /* FILE_CODING */
+\f
+/************************************************************************/
+/* process status */
+/************************************************************************/
+
+static Lisp_Object
+exec_sentinel_unwind (Lisp_Object datum)
+{
+ Lisp_Cons *d = XCONS (datum);
+ XPROCESS (d->car)->sentinel = d->cdr;
+ free_cons (d);
+ return Qnil;
+}
+
+static void
+exec_sentinel (Lisp_Object process, Lisp_Object reason)
+{
+ /* This function can GC */
+ int speccount = specpdl_depth ();
+ Lisp_Process *p = XPROCESS (process);
+ Lisp_Object sentinel = p->sentinel;
+
+ if (NILP (sentinel))
+ return;
+
+ /* Some weird FSFmacs crap here with
+ Vdeactivate_mark and current_buffer->keymap */
+
+ /* Zilch the sentinel while it's running, to avoid recursive invocations;
+ assure that it gets restored no matter how the sentinel exits. */
+ p->sentinel = Qnil;
+ record_unwind_protect (exec_sentinel_unwind, noseeum_cons (process, sentinel));
+ /* We used to bind inhibit-quit to t here, but call2_trapping_errors()
+ does that for us. */
+ running_asynch_code = 1;
+ call2_trapping_errors ("Error in process sentinel", sentinel, process, reason);
+ running_asynch_code = 0;
+ restore_match_data ();
+ unbind_to (speccount, Qnil);
+}
+
+DEFUN ("set-process-sentinel", Fset_process_sentinel, 2, 2, 0, /*
+Give PROCESS the sentinel SENTINEL; nil for none.
+The sentinel is called as a function when the process changes state.
+It gets two arguments: the process, and a string describing the change.
+*/
+ (process, sentinel))
+{
+ CHECK_PROCESS (process);
+ XPROCESS (process)->sentinel = sentinel;
+ return sentinel;
+}
+
+DEFUN ("process-sentinel", Fprocess_sentinel, 1, 1, 0, /*
+Return the sentinel of PROCESS; nil if none.
+See `set-process-sentinel' for more info on sentinels.
+*/
+ (process))
+{
+ CHECK_PROCESS (process);
+ return XPROCESS (process)->sentinel;
+}
+
+\f
+const char *
+signal_name (int signum)
+{
+ if (signum >= 0 && signum < NSIG)
+ return (const char *) sys_siglist[signum];
+
+ return (const char *) GETTEXT ("unknown signal");
+}
+
+void
+update_process_status (Lisp_Object p,
+ Lisp_Object status_symbol,
+ int exit_code,
+ int core_dumped)
+{
+ XPROCESS (p)->tick++;
+ process_tick++;
+ XPROCESS (p)->status_symbol = status_symbol;
+ XPROCESS (p)->exit_code = exit_code;
+ XPROCESS (p)->core_dumped = core_dumped;
+}
+
+/* Return a string describing a process status list. */
+
+static Lisp_Object
+status_message (Lisp_Process *p)
+{
+ Lisp_Object symbol = p->status_symbol;
+ int code = p->exit_code;
+ int coredump = p->core_dumped;
+ Lisp_Object string, string2;
+
+ if (EQ (symbol, Qsignal) || EQ (symbol, Qstop))
+ {
+ string = build_string (signal_name (code));
+ if (coredump)
+ string2 = build_translated_string (" (core dumped)\n");
+ else
+ string2 = build_string ("\n");
+ set_string_char (XSTRING (string), 0,
+ DOWNCASE (current_buffer,
+ string_char (XSTRING (string), 0)));
+ return concat2 (string, string2);
+ }
+ else if (EQ (symbol, Qexit))
+ {
+ if (code == 0)
+ return build_translated_string ("finished\n");
+ string = Fnumber_to_string (make_int (code));
+ if (coredump)
+ string2 = build_translated_string (" (core dumped)\n");
+ else
+ string2 = build_string ("\n");
+ return concat2 (build_translated_string ("exited abnormally with code "),
+ concat2 (string, string2));
+ }
+ else
+ return Fcopy_sequence (Fsymbol_name (symbol));
+}
+
+/* Tell status_notify() to check for terminated processes. We do this
+ because on some systems we sometimes miss SIGCHLD calls. (Not sure
+ why.) */
+
+void
+kick_status_notify (void)
+{
+ process_tick++;
+}
+
+
+/* Report all recent events of a change in process status
+ (either run the sentinel or output a message).
+ This is done while Emacs is waiting for keyboard input. */
+
+void
+status_notify (void)
+{
+ /* This function can GC */
+ Lisp_Object tail = Qnil;
+ Lisp_Object symbol = Qnil;
+ Lisp_Object msg = Qnil;
+ struct gcpro gcpro1, gcpro2, gcpro3;
+ /* process_tick is volatile, so we have to remember it now.
+ Otherwise, we get a race condition if SIGCHLD happens during
+ this function.
+
+ (Actually, this is not the case anymore. The code to
+ update the process structures has been moved out of the
+ SIGCHLD handler. But for the moment I'm leaving this
+ stuff in -- it can't hurt.) */
+ int temp_process_tick;
+
+ MAYBE_PROCMETH (reap_exited_processes, ());
+
+ temp_process_tick = process_tick;
+
+ if (update_tick == temp_process_tick)
+ return;
+
+ /* We need to gcpro tail; if read_process_output calls a filter
+ which deletes a process and removes the cons to which tail points
+ from Vprocess_alist, and then causes a GC, tail is an unprotected
+ reference. */
+ GCPRO3 (tail, symbol, msg);
+
+ for (tail = Vprocess_list; CONSP (tail); tail = XCDR (tail))
+ {
+ Lisp_Object process = XCAR (tail);
+ Lisp_Process *p = XPROCESS (process);
+ /* p->tick is also volatile. Same thing as above applies. */
+ int this_process_tick;
+
+ /* #### extra check for terminated processes, in case a SIGCHLD
+ got missed (this seems to happen sometimes, I'm not sure why).
+ */
+ if (INTP (p->pid))
+ MAYBE_PROCMETH (update_status_if_terminated, (p));
+
+ this_process_tick = p->tick;
+ if (this_process_tick != p->update_tick)
+ {
+ p->update_tick = this_process_tick;
+
+ /* If process is still active, read any output that remains. */
+ while (!EQ (p->filter, Qt)
+ && read_process_output (process) > 0)
+ ;
+
+ /* Get the text to use for the message. */
+ msg = status_message (p);
+
+ /* If process is terminated, deactivate it or delete it. */
+ symbol = p->status_symbol;
+
+ if (EQ (symbol, Qsignal)
+ || EQ (symbol, Qexit))
+ {
+ if (delete_exited_processes)
+ remove_process (process);
+ else
+ deactivate_process (process);
+ }
+
+ /* Now output the message suitably. */
+ if (!NILP (p->sentinel))
+ exec_sentinel (process, msg);
+ /* Don't bother with a message in the buffer
+ when a process becomes runnable. */
+ else if (!EQ (symbol, Qrun) && !NILP (p->buffer))
+ {
+ Lisp_Object old_read_only = Qnil;
+ Lisp_Object old = Fcurrent_buffer ();
+ Bufpos opoint;
+ struct gcpro ngcpro1, ngcpro2;
+
+ /* Avoid error if buffer is deleted
+ (probably that's why the process is dead, too) */
+ if (!BUFFER_LIVE_P (XBUFFER (p->buffer)))
+ continue;
+
+ NGCPRO2 (old, old_read_only);
+ Fset_buffer (p->buffer);
+ opoint = BUF_PT (current_buffer);
+ /* Insert new output into buffer
+ at the current end-of-output marker,
+ thus preserving logical ordering of input and output. */
+ if (XMARKER (p->mark)->buffer)
+ BUF_SET_PT (current_buffer, marker_position (p->mark));
+ else
+ BUF_SET_PT (current_buffer, BUF_ZV (current_buffer));
+ if (BUF_PT (current_buffer) <= opoint)
+ opoint += (string_char_length (XSTRING (msg))
+ + string_char_length (XSTRING (p->name))
+ + 10);
+
+ old_read_only = current_buffer->read_only;
+ current_buffer->read_only = Qnil;
+ buffer_insert_c_string (current_buffer, "\nProcess ");
+ Finsert (1, &p->name);
+ buffer_insert_c_string (current_buffer, " ");
+ Finsert (1, &msg);
+ current_buffer->read_only = old_read_only;
+ Fset_marker (p->mark, make_int (BUF_PT (current_buffer)),
+ p->buffer);
+
+ opoint = bufpos_clip_to_bounds(BUF_BEGV (XBUFFER (p->buffer)),
+ opoint,
+ BUF_ZV (XBUFFER (p->buffer)));
+ BUF_SET_PT (current_buffer, opoint);
+ Fset_buffer (old);
+ NUNGCPRO;
+ }
+ }
+ } /* end for */
+
+ /* in case buffers use %s in modeline-format */
+ MARK_MODELINE_CHANGED;
+ redisplay ();
+
+ update_tick = temp_process_tick;
+
+ UNGCPRO;
+}
+
+DEFUN ("process-status", Fprocess_status, 1, 1, 0, /*
+Return the status of PROCESS.
+This is a symbol, one of these:
+
+run -- for a process that is running.
+stop -- for a process stopped but continuable.
+exit -- for a process that has exited.
+signal -- for a process that has got a fatal signal.
+open -- for a network stream connection that is open.
+closed -- for a network stream connection that is closed.
+nil -- if arg is a process name and no such process exists.
+
+PROCESS may be a process, a buffer, the name of a process or buffer, or
+nil, indicating the current buffer's process.
+*/
+ (process))
+{
+ Lisp_Object status_symbol;
+
+ if (STRINGP (process))
+ process = Fget_process (process);
+ else
+ process = get_process (process);
+
+ if (NILP (process))
+ return Qnil;
+
+ status_symbol = XPROCESS (process)->status_symbol;
+ if (network_connection_p (process))
+ {
+ if (EQ (status_symbol, Qrun))
+ status_symbol = Qopen;
+ else if (EQ (status_symbol, Qexit))
+ status_symbol = Qclosed;
+ }
+ return status_symbol;
+}
+
+DEFUN ("process-exit-status", Fprocess_exit_status, 1, 1, 0, /*
+Return the exit status of PROCESS or the signal number that killed it.
+If PROCESS has not yet exited or died, return 0.
+*/
+ (process))
+{
+ CHECK_PROCESS (process);
+ return make_int (XPROCESS (process)->exit_code);
+}
+
+\f
+
+static int
+decode_signal (Lisp_Object signal_)
+{
+ if (INTP (signal_))
+ return XINT (signal_);
+ else
+ {
+ Bufbyte *name;
+
+ CHECK_SYMBOL (signal_);
+ name = string_data (XSYMBOL (signal_)->name);
+
+#define handle_signal(sym) do { \
+ if (!strcmp ((const char *) name, #sym)) \
+ return sym; \
+ } while (0)
+
+ handle_signal (SIGINT); /* ANSI */
+ handle_signal (SIGILL); /* ANSI */
+ handle_signal (SIGABRT); /* ANSI */
+ handle_signal (SIGFPE); /* ANSI */
+ handle_signal (SIGSEGV); /* ANSI */
+ handle_signal (SIGTERM); /* ANSI */
+
+#ifdef SIGHUP
+ handle_signal (SIGHUP); /* POSIX */
+#endif
+#ifdef SIGQUIT
+ handle_signal (SIGQUIT); /* POSIX */
+#endif
+#ifdef SIGTRAP
+ handle_signal (SIGTRAP); /* POSIX */
+#endif
+#ifdef SIGKILL
+ handle_signal (SIGKILL); /* POSIX */
+#endif
+#ifdef SIGUSR1
+ handle_signal (SIGUSR1); /* POSIX */
+#endif
+#ifdef SIGUSR2
+ handle_signal (SIGUSR2); /* POSIX */
+#endif
+#ifdef SIGPIPE
+ handle_signal (SIGPIPE); /* POSIX */
+#endif
+#ifdef SIGALRM
+ handle_signal (SIGALRM); /* POSIX */
+#endif
+#ifdef SIGCHLD
+ handle_signal (SIGCHLD); /* POSIX */
+#endif
+#ifdef SIGCONT
+ handle_signal (SIGCONT); /* POSIX */
+#endif
+#ifdef SIGSTOP
+ handle_signal (SIGSTOP); /* POSIX */
+#endif
+#ifdef SIGTSTP
+ handle_signal (SIGTSTP); /* POSIX */
+#endif
+#ifdef SIGTTIN
+ handle_signal (SIGTTIN); /* POSIX */
+#endif
+#ifdef SIGTTOU
+ handle_signal (SIGTTOU); /* POSIX */
+#endif
+
+#ifdef SIGBUS
+ handle_signal (SIGBUS); /* XPG5 */
+#endif
+#ifdef SIGPOLL
+ handle_signal (SIGPOLL); /* XPG5 */
+#endif
+#ifdef SIGPROF
+ handle_signal (SIGPROF); /* XPG5 */
+#endif
+#ifdef SIGSYS
+ handle_signal (SIGSYS); /* XPG5 */
+#endif
+#ifdef SIGURG
+ handle_signal (SIGURG); /* XPG5 */
+#endif
+#ifdef SIGXCPU
+ handle_signal (SIGXCPU); /* XPG5 */
+#endif
+#ifdef SIGXFSZ
+ handle_signal (SIGXFSZ); /* XPG5 */
+#endif
+#ifdef SIGVTALRM
+ handle_signal (SIGVTALRM); /* XPG5 */
+#endif
+
+#ifdef SIGIO
+ handle_signal (SIGIO); /* BSD 4.2 */
+#endif
+#ifdef SIGWINCH
+ handle_signal (SIGWINCH); /* BSD 4.3 */
+#endif
+
+#ifdef SIGEMT
+ handle_signal (SIGEMT);
+#endif
+#ifdef SIGINFO
+ handle_signal (SIGINFO);
+#endif
+#ifdef SIGHWE
+ handle_signal (SIGHWE);
+#endif
+#ifdef SIGPRE
+ handle_signal (SIGPRE);
+#endif
+#ifdef SIGUME
+ handle_signal (SIGUME);
+#endif
+#ifdef SIGDLK
+ handle_signal (SIGDLK);
+#endif
+#ifdef SIGCPULIM
+ handle_signal (SIGCPULIM);
+#endif
+#ifdef SIGIOT
+ handle_signal (SIGIOT);
+#endif
+#ifdef SIGLOST
+ handle_signal (SIGLOST);
+#endif
+#ifdef SIGSTKFLT
+ handle_signal (SIGSTKFLT);
+#endif
+#ifdef SIGUNUSED
+ handle_signal (SIGUNUSED);
+#endif
+#ifdef SIGDANGER
+ handle_signal (SIGDANGER); /* AIX */
+#endif
+#ifdef SIGMSG
+ handle_signal (SIGMSG);
+#endif
+#ifdef SIGSOUND
+ handle_signal (SIGSOUND);
+#endif
+#ifdef SIGRETRACT
+ handle_signal (SIGRETRACT);
+#endif
+#ifdef SIGGRANT
+ handle_signal (SIGGRANT);
+#endif
+#ifdef SIGPWR
+ handle_signal (SIGPWR);
+#endif
+
+#undef handle_signal
+
+ error ("Undefined signal name %s", name);
+ return 0; /* Unreached */
+ }
+}
+
+/* Send signal number SIGNO to PROCESS.
+ CURRENT-GROUP non-nil means send signal to the current
+ foreground process group of the process's controlling terminal rather
+ than to the process's own process group.
+ This is used for various commands in shell mode.
+ If NOMSG is zero, insert signal-announcements into process's buffers
+ right away.
+
+ If we can, we try to signal PROCESS by sending control characters
+ down the pty. This allows us to signal inferiors who have changed
+ their uid, for which kill() would return an EPERM error, or to
+ processes running on another computer through a remote login. */
+
+static void
+process_send_signal (Lisp_Object process, int signo,
+ int current_group, int nomsg)
+{
+ /* This function can GC */
+ process = get_process (process);
+
+ if (network_connection_p (process))
+ error ("Network connection %s is not a subprocess",
+ XSTRING_DATA (XPROCESS(process)->name));
+ CHECK_LIVE_PROCESS (process);
+
+ MAYBE_PROCMETH (kill_child_process, (process, signo, current_group, nomsg));
+}
+
+DEFUN ("process-send-signal", Fprocess_send_signal, 1, 3, 0, /*
+Send signal SIGNAL to process PROCESS.
+SIGNAL may be an integer, or a symbol naming a signal, like `SIGSEGV'.
+PROCESS may be a process, a buffer, the name of a process or buffer, or
+nil, indicating the current buffer's process.
+Third arg CURRENT-GROUP non-nil means send signal to the current
+foreground process group of the process's controlling terminal rather
+than to the process's own process group.
+If the process is a shell that supports job control, this means
+send the signal to the current subjob rather than the shell.
+*/
+ (signal_, process, current_group))
+{
+ /* This function can GC */
+ process_send_signal (process, decode_signal (signal_),
+ !NILP (current_group), 0);
+ return process;
+}
+
+DEFUN ("interrupt-process", Finterrupt_process, 0, 2, 0, /*
+Interrupt process PROCESS.
+See function `process-send-signal' for more details on usage.
+*/
+ (process, current_group))
+{
+ /* This function can GC */
+ process_send_signal (process, SIGINT, !NILP (current_group), 0);
+ return process;
+}
+
+DEFUN ("kill-process", Fkill_process, 0, 2, 0, /*
+Kill process PROCESS.
+See function `process-send-signal' for more details on usage.
+*/
+ (process, current_group))
+{
+ /* This function can GC */
+#ifdef SIGKILL
+ process_send_signal (process, SIGKILL, !NILP (current_group), 0);
+#else
+ error ("kill-process: Not supported on this system");
+#endif
+ return process;
+}
+
+DEFUN ("quit-process", Fquit_process, 0, 2, 0, /*
+Send QUIT signal to process PROCESS.
+See function `process-send-signal' for more details on usage.
+*/
+ (process, current_group))
+{
+ /* This function can GC */
+#ifdef SIGQUIT
+ process_send_signal (process, SIGQUIT, !NILP (current_group), 0);
+#else
+ error ("quit-process: Not supported on this system");
+#endif
+ return process;
+}
+
+DEFUN ("stop-process", Fstop_process, 0, 2, 0, /*
+Stop process PROCESS.
+See function `process-send-signal' for more details on usage.
+*/
+ (process, current_group))
+{
+ /* This function can GC */
+#ifdef SIGTSTP
+ process_send_signal (process, SIGTSTP, !NILP (current_group), 0);
+#else
+ error ("stop-process: Not supported on this system");
+#endif
+ return process;
+}
+
+DEFUN ("continue-process", Fcontinue_process, 0, 2, 0, /*
+Continue process PROCESS.
+See function `process-send-signal' for more details on usage.
+*/
+ (process, current_group))
+{
+ /* This function can GC */
+#ifdef SIGCONT
+ process_send_signal (process, SIGCONT, !NILP (current_group), 0);
+#else
+ error ("continue-process: Not supported on this system");
+#endif
+ return process;
+}
+
+DEFUN ("signal-process", Fsignal_process, 2, 2,
+ "nProcess number: \nnSignal code: ", /*
+Send the process with process id PID the signal with code SIGNAL.
+PID must be an integer. The process need not be a child of this Emacs.
+SIGNAL may be an integer, or a symbol naming a signal, like `SIGSEGV'.
+*/
+ (pid, signal_))
+{
+ CHECK_INT (pid);
+
+ return make_int (PROCMETH_OR_GIVEN (kill_process_by_pid,
+ (XINT (pid), decode_signal (signal_)),
+ -1));
+}
+
+DEFUN ("process-send-eof", Fprocess_send_eof, 0, 1, 0, /*
+Make PROCESS see end-of-file in its input.
+PROCESS may be a process, a buffer, the name of a process or buffer, or
+nil, indicating the current buffer's process.
+If PROCESS is a network connection, or is a process communicating
+through a pipe (as opposed to a pty), then you cannot send any more
+text to PROCESS after you call this function.
+*/
+ (process))
+{
+ /* This function can GC */
+ process = get_process (process);
+
+ /* Make sure the process is really alive. */
+ if (! EQ (XPROCESS (process)->status_symbol, Qrun))
+ error ("Process %s not running", XSTRING_DATA (XPROCESS (process)->name));
+
+ if (!MAYBE_INT_PROCMETH (process_send_eof, (process)))
+ {
+ if (!NILP (DATA_OUTSTREAM (XPROCESS (process))))
+ {
+ Lstream_close (XLSTREAM (DATA_OUTSTREAM (XPROCESS (process))));
+ event_stream_delete_stream_pair (Qnil, XPROCESS (process)->pipe_outstream);
+ XPROCESS (process)->pipe_outstream = Qnil;
+#ifdef FILE_CODING
+ XPROCESS (process)->coding_outstream = Qnil;
+#endif
+ }
+ }
+
+ return process;
+}
+
+\f
+/************************************************************************/
+/* deleting a process */
+/************************************************************************/
+
+void
+deactivate_process (Lisp_Object process)
+{
+ Lisp_Process *p = XPROCESS (process);
+ USID usid;
+
+ /* It's possible that we got as far in the process-creation
+ process as creating the descriptors but didn't get so
+ far as selecting the process for input. In this
+ case, p->pid is nil: p->pid is set at the same time that
+ the process is selected for input. */
+ /* #### The comment does not look correct. event_stream_unselect_process
+ is guarded by process->selected, so this is not a problem. - kkm*/
+ /* Must call this before setting the streams to nil */
+ event_stream_unselect_process (p);
+
+ if (!NILP (DATA_OUTSTREAM (p)))
+ Lstream_close (XLSTREAM (DATA_OUTSTREAM (p)));
+ if (!NILP (DATA_INSTREAM (p)))
+ Lstream_close (XLSTREAM (DATA_INSTREAM (p)));
+
+ /* Provide minimal implementation for deactivate_process
+ if there's no process-specific one */
+ if (HAS_PROCMETH_P (deactivate_process))
+ usid = PROCMETH (deactivate_process, (p));
+ else
+ usid = event_stream_delete_stream_pair (p->pipe_instream,
+ p->pipe_outstream);
+
+ if (usid != USID_DONTHASH)
+ remhash ((const void*)usid, usid_to_process);
+
+ p->pipe_instream = Qnil;
+ p->pipe_outstream = Qnil;
+#ifdef FILE_CODING
+ p->coding_instream = Qnil;
+ p->coding_outstream = Qnil;
+#endif
+}
+
+static void
+remove_process (Lisp_Object process)
+{
+ Vprocess_list = delq_no_quit (process, Vprocess_list);
+ Fset_marker (XPROCESS (process)->mark, Qnil, Qnil);
+
+ deactivate_process (process);
+}
+
+DEFUN ("delete-process", Fdelete_process, 1, 1, 0, /*
+Delete PROCESS: kill it and forget about it immediately.
+PROCESS may be a process or the name of one, or a buffer name.
+*/
+ (process))
+{
+ /* This function can GC */
+ Lisp_Process *p;
+ process = get_process (process);
+ p = XPROCESS (process);
+ if (network_connection_p (process))
+ {
+ p->status_symbol = Qexit;
+ p->exit_code = 0;
+ p->core_dumped = 0;
+ p->tick++;
+ process_tick++;
+ }
+ else if (PROCESS_LIVE_P (p))
+ {
+ Fkill_process (process, Qnil);
+ /* Do this now, since remove_process will make sigchld_handler do nothing. */
+ p->status_symbol = Qsignal;
+ p->exit_code = SIGKILL;
+ p->core_dumped = 0;
+ p->tick++;
+ process_tick++;
+ status_notify ();
+ }
+ remove_process (process);
+ return Qnil;
+}
+
+/* Kill all processes associated with `buffer'.
+ If `buffer' is nil, kill all processes */
+
+void
+kill_buffer_processes (Lisp_Object buffer)
+{
+ LIST_LOOP_2 (process, Vprocess_list)
+ if ((NILP (buffer) || EQ (XPROCESS (process)->buffer, buffer)))
+ {
+ if (network_connection_p (process))
+ Fdelete_process (process);
+ else if (PROCESS_LIVE_P (XPROCESS (process)))
+ process_send_signal (process, SIGHUP, 0, 1);
+ }
+}
+
+DEFUN ("process-kill-without-query", Fprocess_kill_without_query, 1, 2, 0, /*
+Say no query needed if PROCESS is running when Emacs is exited.
+Optional second argument if non-nil says to require a query.
+Value is t if a query was formerly required.
+*/
+ (process, require_query_p))
+{
+ int tem;
+
+ CHECK_PROCESS (process);
+ tem = XPROCESS (process)->kill_without_query;
+ XPROCESS (process)->kill_without_query = NILP (require_query_p);
+
+ return tem ? Qnil : Qt;
+}
+
+DEFUN ("process-kill-without-query-p", Fprocess_kill_without_query_p, 1, 1, 0, /*
+Return t if PROCESS will be killed without query when emacs is exited.
+*/
+ (process))
+{
+ CHECK_PROCESS (process);
+ return XPROCESS (process)->kill_without_query ? Qt : Qnil;
+}
+
+\f
+/* This is not named init_process in order to avoid a conflict with NS 3.3 */
+void
+init_xemacs_process (void)
+{
+ MAYBE_PROCMETH (init_process, ());
+
+ Vprocess_list = Qnil;
+
+ if (usid_to_process)
+ clrhash (usid_to_process);
+ else
+ usid_to_process = make_hash_table (32);
+}
+
+#if 0
+
+xxDEFUN ("process-connection", Fprocess_connection, 0, 1, 0, /*
+Return the connection type of `PROCESS'. This can be nil (pipe),
+t or pty (pty) or stream (socket connection).
+*/
+ (process))
+{
+ return XPROCESS (process)->type;
+}
+
+#endif /* 0 */
+
+void
+syms_of_process (void)
+{
+ INIT_LRECORD_IMPLEMENTATION (process);
+
+ defsymbol (&Qprocessp, "processp");
+ defsymbol (&Qprocess_live_p, "process-live-p");
+#if 0
+ /* see comment at Fprocess_readable_p */
+ defsymbol (&Qprocess_readable_p, "process-readable-p");
+#endif
+ defsymbol (&Qrun, "run");
+ defsymbol (&Qstop, "stop");
+ defsymbol (&Qopen, "open");
+ defsymbol (&Qclosed, "closed");
+
+ defsymbol (&Qtcp, "tcp");
+ defsymbol (&Qudp, "udp");
+
+#ifdef HAVE_MULTICAST
+ defsymbol(&Qmulticast, "multicast"); /* Used for occasional warnings */
+#endif
+
+ DEFSUBR (Fprocessp);
+ DEFSUBR (Fprocess_live_p);
+#if 0
+ /* see comment at Fprocess_readable_p */
+ DEFSUBR (Fprocess_readable_p);
+#endif
+ DEFSUBR (Fget_process);
+ DEFSUBR (Fget_buffer_process);
+ DEFSUBR (Fdelete_process);
+ DEFSUBR (Fprocess_status);
+ DEFSUBR (Fprocess_exit_status);
+ DEFSUBR (Fprocess_id);
+ DEFSUBR (Fprocess_name);
+ DEFSUBR (Fprocess_tty_name);
+ DEFSUBR (Fprocess_command);
+ DEFSUBR (Fset_process_buffer);
+ DEFSUBR (Fprocess_buffer);
+ DEFSUBR (Fprocess_mark);
+ DEFSUBR (Fset_process_filter);
+ DEFSUBR (Fprocess_filter);
+ DEFSUBR (Fset_process_window_size);
+ DEFSUBR (Fset_process_sentinel);
+ DEFSUBR (Fprocess_sentinel);
+ DEFSUBR (Fprocess_kill_without_query);
+ DEFSUBR (Fprocess_kill_without_query_p);
+ DEFSUBR (Fprocess_list);
+ DEFSUBR (Fstart_process_internal);
+#ifdef HAVE_SOCKETS
+ DEFSUBR (Fopen_network_stream_internal);
+#ifdef HAVE_MULTICAST
+ DEFSUBR (Fopen_multicast_group_internal);
+#endif /* HAVE_MULTICAST */
+#endif /* HAVE_SOCKETS */
+ DEFSUBR (Fprocess_send_region);
+ DEFSUBR (Fprocess_send_string);
+ DEFSUBR (Fprocess_send_signal);
+ DEFSUBR (Finterrupt_process);
+ DEFSUBR (Fkill_process);
+ DEFSUBR (Fquit_process);
+ DEFSUBR (Fstop_process);
+ DEFSUBR (Fcontinue_process);
+ DEFSUBR (Fprocess_send_eof);
+ DEFSUBR (Fsignal_process);
+/* DEFSUBR (Fprocess_connection); */
+#ifdef FILE_CODING
+ DEFSUBR (Fprocess_input_coding_system);
+ DEFSUBR (Fprocess_output_coding_system);
+ DEFSUBR (Fset_process_input_coding_system);
+ DEFSUBR (Fset_process_output_coding_system);
+ DEFSUBR (Fprocess_coding_system);
+ DEFSUBR (Fset_process_coding_system);
+#endif /* FILE_CODING */
+}
+
+void
+vars_of_process (void)
+{
+ Fprovide (intern ("subprocesses"));
+#ifdef HAVE_SOCKETS
+ Fprovide (intern ("network-streams"));
+#ifdef HAVE_MULTICAST
+ Fprovide (intern ("multicast"));
+#endif /* HAVE_MULTICAST */
+#endif /* HAVE_SOCKETS */
+ staticpro (&Vprocess_list);
+
+ DEFVAR_BOOL ("delete-exited-processes", &delete_exited_processes /*
+*Non-nil means delete processes immediately when they exit.
+nil means don't delete them until `list-processes' is run.
+*/ );
+
+ delete_exited_processes = 1;
+
+ DEFVAR_CONST_LISP ("null-device", &Vnull_device /*
+Name of the null device, which differs from system to system.
+The null device is a filename that acts as a sink for arbitrary amounts of
+data, which is discarded, or as a source for a zero-length file.
+It is available on all the systems that we currently support, but with
+different names (typically either `/dev/null' or `nul').
+
+Note that there is also a /dev/zero on most modern Unix versions (including
+Cygwin), which acts like /dev/null when used as a sink, but as a source
+it sends a non-ending stream of zero bytes. It's used most often along
+with memory-mapping. We don't provide a Lisp variable for this because
+the operations needing this are lower level than what ELisp programs
+typically do, and in any case no equivalent exists under native MS Windows.
+*/ );
+ Vnull_device = build_string (NULL_DEVICE);
+
+ DEFVAR_LISP ("process-connection-type", &Vprocess_connection_type /*
+Control type of device used to communicate with subprocesses.
+Values are nil to use a pipe, or t or `pty' to use a pty.
+The value has no effect if the system has no ptys or if all ptys are busy:
+then a pipe is used in any case.
+The value takes effect when `start-process' is called.
+*/ );
+ Vprocess_connection_type = Qt;
+
+ DEFVAR_BOOL ("windowed-process-io", &windowed_process_io /*
+Enables input/output on standard handles of a windowed process.
+When this variable is nil (the default), XEmacs does not attempt to read
+standard output handle of a windowed process. Instead, the process is
+immediately marked as exited immediately upon successful launching. This is
+done because normal windowed processes do not use standard I/O, as they are
+not connected to any console.
+
+When launching a specially crafted windowed process, which expects to be
+launched by XEmacs, or by other program which pipes its standard input and
+output, this variable must be set to non-nil, in which case XEmacs will
+treat this process just like a console process.
+
+NOTE: You should never set this variable, only bind it.
+
+Only Windows processes can be "windowed" or "console". This variable has no
+effect on UNIX processes, because all UNIX processes are "console".
+*/ );
+ windowed_process_io = 0;
+
+#ifdef PROCESS_IO_BLOCKING
+ DEFVAR_LISP ("network-stream-blocking-port-list", &network_stream_blocking_port_list /*
+List of port numbers or port names to set a blocking I/O mode with connection.
+Nil value means to set a default(non-blocking) I/O mode.
+The value takes effect when `open-network-stream-internal' is called.
+*/ );
+ network_stream_blocking_port_list = Qnil;
+#endif /* PROCESS_IO_BLOCKING */
+}
+
+#endif /* not NO_SUBPROCESSES */
projects / chise / xemacs-chise.git- / blobdiff