Revert "poll-win32"

[gnulib.git] / lib / execute.c

diff --git a/lib/execute.c b/lib/execute.c
index df6b1ea..751dcb3 100644 (file)
--- a/lib/execute.c
+++ b/lib/execute.c
@@ -1,11 +1,11 @@
 /* Creation of autonomous subprocesses.
-   Copyright (C) 2001-2004, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2001-2004, 2006-2008 Free Software Foundation, Inc.
    Written by Bruno Haible <haible@clisp.cons.org>, 2001.
 
-   This program is free software; you can redistribute it and/or modify
+   This program 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.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -13,13 +13,10 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include <config.h>
 
 /* Specification.  */
 #include "execute.h"
@@ -32,7 +29,6 @@
 #include <unistd.h>
 
 #include "error.h"
-#include "exit.h"
 #include "fatal-signal.h"
 #include "wait-process.h"
 #include "gettext.h"
@@ -48,20 +44,16 @@
 #else
 
 /* Unix API.  */
-# ifdef HAVE_POSIX_SPAWN
+# if HAVE_POSIX_SPAWN
 #  include <spawn.h>
 # else
-#  ifdef HAVE_VFORK_H
+#  if HAVE_VFORK_H
 #   include <vfork.h>
 #  endif
 # endif
 
 #endif
 
-#ifndef HAVE_ENVIRON_DECL
-extern char **environ;
-#endif
-
 #ifndef STDIN_FILENO
 # define STDIN_FILENO 0
 #endif
@@ -72,6 +64,11 @@ extern char **environ;
 # define STDERR_FILENO 2
 #endif
 
+/* The results of open() in this file are not used with fchdir,
+   therefore save some unnecessary work in fchdir.c.  */
+#undef open
+#undef close
+
 
 #ifdef EINTR
 
@@ -120,7 +117,8 @@ execute (const char *progname,
         const char *prog_path, char **prog_argv,
         bool ignore_sigpipe,
         bool null_stdin, bool null_stdout, bool null_stderr,
-        bool slave_process, bool exit_on_error)
+        bool slave_process, bool exit_on_error,
+        int *termsigp)
 {
 #if defined _MSC_VER || defined __MINGW32__
 
@@ -176,6 +174,9 @@ execute (const char *progname,
   if (null_stdin)
     dup2 (orig_stdin, STDIN_FILENO), close (orig_stdin);
 
+  if (termsigp != NULL)
+    *termsigp = 0;
+
   if (exitcode == -1)
     {
       if (exit_on_error || !null_stderr)
@@ -254,6 +255,8 @@ execute (const char *progname,
        posix_spawnattr_destroy (&attrs);
       if (slave_process)
        unblock_fatal_signals ();
+      if (termsigp != NULL)
+       *termsigp = 0;
       if (exit_on_error || !null_stderr)
        error (exit_on_error ? EXIT_FAILURE : 0, err,
               _("%s subprocess failed"), progname);
@@ -296,6 +299,8 @@ execute (const char *progname,
     {
       if (slave_process)
        unblock_fatal_signals ();
+      if (termsigp != NULL)
+       *termsigp = 0;
       if (exit_on_error || !null_stderr)
        error (exit_on_error ? EXIT_FAILURE : 0, errno,
               _("%s subprocess failed"), progname);
@@ -309,7 +314,7 @@ execute (const char *progname,
     }
 
   return wait_subprocess (child, progname, ignore_sigpipe, null_stderr,
-                         slave_process, exit_on_error);
+                         slave_process, exit_on_error, termsigp);
 
 #endif
 }