-/* Process support for Windows NT port of XEMACS.
+/* Old process support under MS Windows, soon to die.
Copyright (C) 1992, 1995 Free Software Foundation, Inc.
This file is part of XEmacs.
/* Adapted for XEmacs by David Hobley <david@spook-le0.cia.com.au> */
/* Synced with FSF Emacs 19.34.6 by Marc Paquette <marcpa@cam.org> */
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <io.h>
-#include <fcntl.h>
-#include <signal.h>
+/* #### This ENTIRE file is only around because of callproc.c, which
+ in turn is only used in batch mode.
+
+ We only need two things to get rid of both this and callproc.c:
+
+ -- my `stderr-proc' ws, which adds support for a separate stderr
+ in asynch. subprocesses. (it's a feature in `old-call-process-internal'.)
+ -- a noninteractive event loop that supports processes.
+*/
-/* must include CRT headers *before* config.h */
-/* #### I don't believe it - martin */
#include <config.h>
#undef signal
#undef wait
#undef kill
#include <windows.h>
-#include <sys/socket.h>
#ifdef HAVE_A_OUT_H
#include <a.out.h>
#endif
but is useful for Win32 processes on both Win95 and NT as well. */
Lisp_Object Vwin32_pipe_read_delay;
-/* Control whether stat() attempts to generate fake but hopefully
+/* Control whether xemacs_stat() attempts to generate fake but hopefully
"accurate" inode values, by hashing the absolute truenames of files.
This should detect aliasing between long and short names, but still
allows the possibility of hash collisions. */
#endif
}
-/* sys_signal moved to nt.c. It's now called msw_signal... */
+/* sys_signal moved to nt.c. It's now called mswindows_signal... */
/* Defined in <process.h> which conflicts with the local copy */
#define _P_NOWAIT 1
xzero (start);
start.cb = sizeof (start);
-#ifdef HAVE_NTGUI
if (NILP (Vwin32_start_process_show_window))
start.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
else
start.hStdInput = GetStdHandle (STD_INPUT_HANDLE);
start.hStdOutput = GetStdHandle (STD_OUTPUT_HANDLE);
start.hStdError = GetStdHandle (STD_ERROR_HANDLE);
-#endif /* HAVE_NTGUI */
/* Explicitly specify no security */
+ /* #### not supported under win98, but will go away */
if (!InitializeSecurityDescriptor (&sec_desc, SECURITY_DESCRIPTOR_REVISION))
goto EH_Fail;
+ /* #### not supported under win98, but will go away */
if (!SetSecurityDescriptorDacl (&sec_desc, TRUE, NULL, FALSE))
goto EH_Fail;
sec_attrs.nLength = sizeof (sec_attrs);
return FALSE;
}
-#ifndef __MINGW32__
-/* Return pointer to section header for section containing the given
- relative virtual address. */
-static IMAGE_SECTION_HEADER *
-rva_to_section (DWORD rva, IMAGE_NT_HEADERS * nt_header)
-{
- PIMAGE_SECTION_HEADER section;
- int i;
-
- section = IMAGE_FIRST_SECTION (nt_header);
-
- for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++)
- {
- if (rva >= section->VirtualAddress
- && rva < section->VirtualAddress + section->SizeOfRawData)
- return section;
- section++;
- }
- return NULL;
-}
-#endif
-
-void
-win32_executable_type (const char * filename, int * is_dos_app, int * is_cygnus_app)
-{
- file_data executable;
- char * p;
-
- /* Default values in case we can't tell for sure. */
- *is_dos_app = FALSE;
- *is_cygnus_app = FALSE;
-
- if (!open_input_file (&executable, filename))
- return;
-
- p = strrchr (filename, '.');
-
- /* We can only identify DOS .com programs from the extension. */
- if (p && stricmp (p, ".com") == 0)
- *is_dos_app = TRUE;
- else if (p && (stricmp (p, ".bat") == 0 ||
- stricmp (p, ".cmd") == 0))
- {
- /* A DOS shell script - it appears that CreateProcess is happy to
- accept this (somewhat surprisingly); presumably it looks at
- COMSPEC to determine what executable to actually invoke.
- Therefore, we have to do the same here as well. */
- /* Actually, I think it uses the program association for that
- extension, which is defined in the registry. */
- p = egetenv ("COMSPEC");
- if (p)
- win32_executable_type (p, is_dos_app, is_cygnus_app);
- }
- else
- {
- /* Look for DOS .exe signature - if found, we must also check that
- it isn't really a 16- or 32-bit Windows exe, since both formats
- start with a DOS program stub. Note that 16-bit Windows
- executables use the OS/2 1.x format. */
-
-#ifdef __MINGW32__
- /* mingw32 doesn't have enough headers to detect cygwin
- apps, just do what we can. */
- FILHDR * exe_header;
-
- exe_header = (FILHDR*) executable.file_base;
- if (exe_header->e_magic != DOSMAGIC)
- goto unwind;
-
- if ((char*) exe_header->e_lfanew > (char*) executable.size)
- {
- /* Some dos headers (pkunzip) have bogus e_lfanew fields. */
- *is_dos_app = TRUE;
- }
- else if (exe_header->nt_signature != NT_SIGNATURE)
- {
- *is_dos_app = TRUE;
- }
-#else
- IMAGE_DOS_HEADER * dos_header;
- IMAGE_NT_HEADERS * nt_header;
-
- dos_header = (PIMAGE_DOS_HEADER) executable.file_base;
- if (dos_header->e_magic != IMAGE_DOS_SIGNATURE)
- goto unwind;
-
- nt_header = (PIMAGE_NT_HEADERS) ((char*) dos_header + dos_header->e_lfanew);
-
- if ((char*) nt_header > (char*) dos_header + executable.size)
- {
- /* Some dos headers (pkunzip) have bogus e_lfanew fields. */
- *is_dos_app = TRUE;
- }
- else if (nt_header->Signature != IMAGE_NT_SIGNATURE &&
- LOWORD (nt_header->Signature) != IMAGE_OS2_SIGNATURE)
- {
- *is_dos_app = TRUE;
- }
- else if (nt_header->Signature == IMAGE_NT_SIGNATURE)
- {
- /* Look for cygwin.dll in DLL import list. */
- IMAGE_DATA_DIRECTORY import_dir =
- nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT];
- IMAGE_IMPORT_DESCRIPTOR * imports;
- IMAGE_SECTION_HEADER * section;
-
- section = rva_to_section (import_dir.VirtualAddress, nt_header);
- imports = (IMAGE_IMPORT_DESCRIPTOR *) RVA_TO_PTR (import_dir.VirtualAddress,
- section, executable);
-
- for ( ; imports->Name; imports++)
- {
- char *dllname = (char*) RVA_TO_PTR (imports->Name, section, executable);
-
- if (strcmp (dllname, "cygwin.dll") == 0)
- {
- *is_cygnus_app = TRUE;
- break;
- }
- }
- }
-#endif
- }
-
- unwind:
- close_file_data (&executable);
-}
-
-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;
-}
-
void
merge_and_sort_env (char **envp1, char **envp2, char **new_envp)
{
}
/* Handle executable names without an executable suffix. */
- program = make_string (cmdname, strlen (cmdname));
+ program = build_string (cmdname);
GCPRO1 (program);
if (NILP (Ffile_executable_p (program)))
{
was compiled with the Cygnus GNU toolchain and hence relies on
cygwin.dll to parse the command line - we use this to decide how to
escape quote chars in command line args that must be quoted). */
- win32_executable_type (cmdname, &is_dos_app, &is_cygnus_app);
+ mswindows_executable_type (cmdname, &is_dos_app, &is_cygnus_app);
/* On Windows 95, if cmdname is a DOS app, we invoke a helper
application to start it by specifying the helper app as cmdname,
GetClassName (hwnd, window_class, sizeof (window_class));
if (strcmp (window_class,
- msw_windows9x_p()
+ mswindows_windows9x_p()
? "tty"
: "ConsoleWindowClass") == 0)
{
if (NILP (Vwin32_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
/* Some miscellaneous functions that are Windows specific, but not GUI
specific (ie. are applicable in terminal or batch mode as well). */
-/* lifted from fileio.c */
-#define CORRECT_DIR_SEPS(s) \
- do { if ('/' == DIRECTORY_SEP) dostounix_filename (s); \
- else unixtodos_filename (s); \
- } while (0)
-
DEFUN ("win32-short-file-name", Fwin32_short_file_name, 1, 1, "", /*
Return the short file name version (8.3) of the full path of FILENAME.
If FILENAME does not exist, return nil.
if (!IsValidLocale (XINT (lcid), LCID_SUPPORTED))
return Qnil;
+ /* #### not supported under win98, but will go away */
if (!SetThreadLocale (XINT (lcid)))
return Qnil;
&Vwin32_start_process_share_console /*
When nil, processes started via start-process 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