#include <config.h>
#include "lisp.h"
+#include "buffer.h"
#include "console-msw.h"
#include "hash.h"
#include "lstream.h"
+#include "nt.h"
#include "process.h"
#include "procimpl.h"
#include "sysdep.h"
#include <shellapi.h>
-#ifdef __MINGW32__
#include <errno.h>
-#endif
#include <signal.h>
#ifdef HAVE_SOCKETS
#include <winsock.h>
#endif
+/* Bound by win32-native.el */
+Lisp_Object Qmswindows_construct_process_command_line;
+
/* Arbitrary size limit for code fragments passed to run_in_other_process */
#define FRAGMENT_CODE_SIZE 32
-/* Bound by winnt.el */
-Lisp_Object Qnt_quote_process_args;
-
/* Implementation-specific data. Pointed to by Lisp_Process->process_data */
struct nt_process_data
{
HANDLE h_process;
DWORD dwProcessId;
HWND hwnd; /* console window */
- int need_enable_child_signals;
};
/* Control whether create_child causes the process to inherit Emacs'
/* ---------------------------- the 95 way ------------------------------- */
static BOOL CALLBACK
-find_child_console (HWND hwnd, struct nt_process_data *cp)
+find_child_console (HWND hwnd, long putada)
{
DWORD thread_id;
DWORD process_id;
+ struct nt_process_data *cp = (struct nt_process_data *) putada;
thread_id = GetWindowThreadProcessId (hwnd, &process_id);
if (process_id == cp->dwProcessId)
GetClassName (hwnd, window_class, sizeof (window_class));
if (strcmp (window_class,
- msw_windows9x_p ()
+ mswindows_windows9x_p ()
? "tty"
: "ConsoleWindowClass") == 0)
{
if (NILP (Vmswindows_start_process_share_console) && cp && cp->hwnd)
{
#if 1
- if (msw_windows9x_p ())
+ if (mswindows_windows9x_p ())
{
/*
Another possibility is to try terminating the VDM out-right by
static int
send_signal (struct nt_process_data *cp, int pid, int signo)
{
- return send_signal_the_nt_way (cp, pid, signo)
+ return (!mswindows_windows9x_p () && send_signal_the_nt_way (cp, pid, signo))
|| send_signal_the_95_way (cp, pid, signo);
}
if (signo != SIGKILL && signo != SIGTERM
&& signo != SIGQUIT && signo != SIGINT
&& signo != SIGHUP)
- signal_simple_error ("Signal number not supported", make_int (signo));
+ invalid_argument ("Signal number not supported", make_int (signo));
}
\f
/*-----------------------------------------------------------------------*/
signal_cannot_launch (Lisp_Object image_file, DWORD err)
{
mswindows_set_errno (err);
- signal_simple_error_2 ("Error starting", image_file, lisp_strerror (errno));
+ report_file_error ("Error starting", image_file);
}
static void
-ensure_console_window_exists ()
+ensure_console_window_exists (void)
{
- if (msw_windows9x_p ())
- msw_hide_console ();
+ if (mswindows_windows9x_p ())
+ mswindows_hide_console ();
+}
+
+int
+compare_env (const void *strp1, const void *strp2)
+{
+ const char *str1 = *(const char**)strp1, *str2 = *(const char**)strp2;
+
+ while (*str1 && *str2 && *str1 != '=' && *str2 != '=')
+ {
+ if ((*str1) > (*str2))
+ return 1;
+ else if ((*str1) < (*str2))
+ return -1;
+ str1++, str2++;
+ }
+
+ if (*str1 == '=' && *str2 == '=')
+ return 0;
+ else if (*str1 == '=')
+ return -1;
+ else
+ return 1;
}
static int
Lisp_Object *argv, int nargv,
Lisp_Object program, Lisp_Object cur_dir)
{
+ /* Synched up with sys_spawnve in FSF 20.6. Significantly different
+ but still synchable. */
HANDLE hmyshove, hmyslurp, hprocin, hprocout, hprocerr;
- LPTSTR command_line;
+ Extbyte *command_line;
BOOL do_io, windowed;
char *proc_env;
+ /* No need to DOS-ize the filename; expand-file-name (called prior)
+ already does this. */
+
/* Find out whether the application is windowed or not */
- {
- /* SHGetFileInfo tends to return ERROR_FILE_NOT_FOUND on most
- errors. This leads to bogus error message. */
- DWORD image_type;
- char *p = strrchr ((char *)XSTRING_DATA (program), '.');
- if (p != NULL &&
- (stricmp (p, ".exe") == 0 ||
- stricmp (p, ".com") == 0 ||
- stricmp (p, ".bat") == 0 ||
- stricmp (p, ".cmd") == 0))
- {
- image_type = SHGetFileInfo ((char *)XSTRING_DATA (program), 0,NULL,
- 0, SHGFI_EXETYPE);
- }
- else
- {
- char progname[MAX_PATH];
- sprintf (progname, "%s.exe", (char *)XSTRING_DATA (program));
- image_type = SHGetFileInfo (progname, 0, NULL, 0, SHGFI_EXETYPE);
- }
- if (image_type == 0)
- signal_cannot_launch (program, (GetLastError () == ERROR_FILE_NOT_FOUND
- ? ERROR_BAD_FORMAT : GetLastError ()));
- windowed = HIWORD (image_type) != 0;
- }
+ if (xSHGetFileInfoA)
+ {
+ /* SHGetFileInfo tends to return ERROR_FILE_NOT_FOUND on most
+ errors. This leads to bogus error message. */
+ DWORD image_type;
+ char *p = strrchr ((char *)XSTRING_DATA (program), '.');
+ if (p != NULL &&
+ (stricmp (p, ".exe") == 0 ||
+ stricmp (p, ".com") == 0 ||
+ stricmp (p, ".bat") == 0 ||
+ stricmp (p, ".cmd") == 0))
+ {
+ image_type = xSHGetFileInfoA ((char *)XSTRING_DATA (program), 0,NULL,
+ 0, SHGFI_EXETYPE);
+ }
+ else
+ {
+ char progname[MAX_PATH];
+ sprintf (progname, "%s.exe", (char *)XSTRING_DATA (program));
+ image_type = xSHGetFileInfoA (progname, 0, NULL, 0, SHGFI_EXETYPE);
+ }
+ if (image_type == 0)
+ signal_cannot_launch (program, (GetLastError () == ERROR_FILE_NOT_FOUND
+ ? ERROR_BAD_FORMAT : GetLastError ()));
+ windowed = HIWORD (image_type) != 0;
+ }
+ else /* NT 3.5; we have no idea so just guess. */
+ windowed = 0;
/* Decide whether to do I/O on process handles, or just mark the
process exited immediately upon successful launching. We do I/O if the
CreatePipe (&hmyslurp, &hprocout, &sa, 0);
/* Duplicate the stdout handle for use as stderr */
- DuplicateHandle(GetCurrentProcess(), hprocout, GetCurrentProcess(), &hprocerr,
- 0, TRUE, DUPLICATE_SAME_ACCESS);
+ DuplicateHandle(GetCurrentProcess(), hprocout, GetCurrentProcess(),
+ &hprocerr, 0, TRUE, DUPLICATE_SAME_ACCESS);
/* Stupid Win32 allows to create a pipe with *both* ends either
inheritable or not. We need process ends inheritable, and local
ends not inheritable. */
- DuplicateHandle (GetCurrentProcess(), hmyshove, GetCurrentProcess(), &htmp,
- 0, FALSE, DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS);
+ DuplicateHandle (GetCurrentProcess(), hmyshove, GetCurrentProcess(),
+ &htmp, 0, FALSE,
+ DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS);
hmyshove = htmp;
- DuplicateHandle (GetCurrentProcess(), hmyslurp, GetCurrentProcess(), &htmp,
- 0, FALSE, DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS);
+ DuplicateHandle (GetCurrentProcess(), hmyslurp, GetCurrentProcess(),
+ &htmp, 0, FALSE,
+ DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS);
hmyslurp = htmp;
}
/* Convert an argv vector into Win32 style command line by a call to
- lisp function `nt-quote-process-args' which see (in winnt.el)*/
+ lisp function `mswindows-construct-process-command-line'
+ (in win32-native.el) */
{
int i;
Lisp_Object args_or_ret = Qnil;
args_or_ret = Fnreverse (args_or_ret);
args_or_ret = Fcons (program, args_or_ret);
- args_or_ret = call1 (Qnt_quote_process_args, args_or_ret);
+ args_or_ret = call1 (Qmswindows_construct_process_command_line,
+ args_or_ret);
if (!STRINGP (args_or_ret))
/* Luser wrote his/her own clever version */
- error ("Bogus return value from `nt-quote-process-args'");
+ invalid_argument
+ ("Bogus return value from `mswindows-construct-process-command-line'",
+ args_or_ret);
- command_line = alloca_array (char, (XSTRING_LENGTH (program)
- + XSTRING_LENGTH (args_or_ret) + 2));
- strcpy (command_line, XSTRING_DATA (program));
- strcat (command_line, " ");
- strcat (command_line, XSTRING_DATA (args_or_ret));
+ LISP_STRING_TO_EXTERNAL (args_or_ret, command_line, Qmswindows_tstr);
UNGCPRO; /* args_or_ret */
}
Vprocess_environment terminated by 2 nuls. */
{
- extern int compare_env (const char **strp1, const char **strp2);
char **env;
REGISTER Lisp_Object tem;
REGISTER char **new_env;
&& STRINGP (XCAR (tem)));
tem = XCDR (tem))
new_length++;
+
+ /* FSF adds an extra env var to hold the current process ID of the
+ Emacs process. Apparently this is used only by emacsserver.c,
+ which we have superseded to gnuserv.c. (#### Does it work under
+ MS Windows?)
+
+ sprintf (ppid_env_var_buffer, "EM_PARENT_PROCESS_ID=%d",
+ GetCurrentProcessId ());
+ arglen += strlen (ppid_env_var_buffer) + 1;
+ numenv++;
+ */
/* new_length + 1 to include terminating 0. */
env = new_env = alloca_array (char *, new_length + 1);
}
*penv = 0;
}
+
+#if 0
+ /* #### we need to port this. */
+ /* On Windows 95, if cmdname is a DOS app, we invoke a helper
+ application to start it by specifying the helper app as cmdname,
+ while leaving the real app name as argv[0]. */
+ if (is_dos_app)
+ {
+ cmdname = (char*) alloca (MAXPATHLEN);
+ if (egetenv ("CMDPROXY"))
+ strcpy ((char*)cmdname, egetenv ("CMDPROXY"));
+ else
+ {
+ strcpy ((char*)cmdname, XSTRING_DATA (Vinvocation_directory));
+ strcat ((char*)cmdname, "cmdproxy.exe");
+ }
+ }
+#endif
/* Create process */
{
}
flags = CREATE_SUSPENDED;
- if (msw_windows9x_p ())
+ if (mswindows_windows9x_p ())
flags |= (!NILP (Vmswindows_start_process_share_console)
? CREATE_NEW_PROCESS_GROUP
: CREATE_NEW_CONSOLE);
CloseHandle (pi.hProcess);
}
+ if (!windowed)
+ enable_child_signals (pi.hProcess);
+
ResumeThread (pi.hThread);
CloseHandle (pi.hThread);
- /* Remember to enable child signals later if this is not a windowed
- app. Can't do it right now because that screws up the MKS Toolkit
- shell. */
- if (!windowed)
- {
- NT_DATA(p)->need_enable_child_signals = 10;
- kick_status_notify ();
- }
-
return ((int)pi.dwProcessId);
}
}
nt_update_status_if_terminated (Lisp_Process* p)
{
DWORD exit_code;
-
- if (NT_DATA(p)->need_enable_child_signals > 1)
- {
- NT_DATA(p)->need_enable_child_signals -= 1;
- kick_status_notify ();
- }
- else if (NT_DATA(p)->need_enable_child_signals == 1)
- {
- enable_child_signals(NT_DATA(p)->h_process);
- NT_DATA(p)->need_enable_child_signals = 0;
- }
-
if (GetExitCodeProcess (NT_DATA(p)->h_process, &exit_code)
&& exit_code != STILL_ACTIVE)
{
/* use a reasonable-sized buffer (somewhere around the size of the
stream buffer) so as to avoid inundating the stream with blocked
data. */
- Bufbyte chunkbuf[128];
+ Bufbyte chunkbuf[512];
Bytecount chunklen;
while (1)
{
- ssize_t writeret;
+ Lstream_data_count writeret;
- chunklen = Lstream_read (lstream, chunkbuf, 128);
+ chunklen = Lstream_read (lstream, chunkbuf, 512);
if (chunklen <= 0)
break; /* perhaps should abort() if < 0?
This should never happen. */
p->tick++;
process_tick++;
deactivate_process (*((Lisp_Object *) (&vol_proc)));
- error ("Broken pipe error sending to process %s; closed it",
- XSTRING_DATA (p->name));
+ invalid_operation ("Broken pipe error sending to process; closed it",
+ p->name);
}
{
{
Lisp_Process *p = XPROCESS (proc);
- /* Enable child signals if necessary. This may lose the first
- but it's better than nothing. */
- if (NT_DATA (p)->need_enable_child_signals > 0)
- {
- enable_child_signals (NT_DATA(p)->h_process);
- NT_DATA (p)->need_enable_child_signals = 0;
- }
-
/* Signal error if SIGNO cannot be sent */
validate_signal_number (signo);
/* Send signal */
if (!send_signal (NT_DATA (p), 0, signo))
- signal_simple_error ("Cannot send signal to process", proc);
+ invalid_operation ("Cannot send signal to process", proc);
}
/*
- * Kill any process in the system given its PID.
+ * Kill any process in the system given its PID
*
* Returns zero if a signal successfully sent, or
* negative number upon failure
CHECK_STRING (host);
if (!EQ (protocol, Qtcp))
- signal_simple_error ("Unsupported protocol", protocol);
+ invalid_argument ("Unsupported protocol", protocol);
if (INTP (service))
port = htons ((unsigned short) XINT (service));
CHECK_STRING (service);
svc_info = getservbyname ((char *) XSTRING_DATA (service), "tcp");
if (svc_info == 0)
- signal_simple_error ("Unknown service", service);
+ invalid_argument ("Unknown service", service);
port = svc_info->s_port;
}
void
syms_of_process_nt (void)
{
- defsymbol (&Qnt_quote_process_args, "nt-quote-process-args");
+ DEFSYMBOL (Qmswindows_construct_process_command_line);
}
void
&Vmswindows_start_process_share_console /*
When nil, new child processes are given a new console.
When non-nil, they share the Emacs console; this has the limitation of
-allowing only only DOS subprocess to run at a time (whether started directly
+allowing only one DOS subprocess to run at a time (whether started directly
or indirectly by Emacs), and preventing Emacs from cleanly terminating the
subprocess group, but may allow Emacs to interrupt a subprocess that doesn't
otherwise respond to interrupts from Emacs.
projects / chise / xemacs-chise.git.1 / blobdiff