* doc/headers/assert.texi (assert.h): Document assert module use.

[gnulib.git] / lib / wait-process.c

diff --git a/lib/wait-process.c b/lib/wait-process.c
index 26a889c..268be32 100644 (file)
--- a/lib/wait-process.c
+++ b/lib/wait-process.c
@@ -1,5 +1,5 @@
 /* Waiting for a subprocess to finish.
-   Copyright (C) 2001-2003 Free Software Foundation, Inc.
+   Copyright (C) 2001-2003, 2005-2007 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
@@ -14,12 +14,10 @@
 
    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include <config.h>
 
 /* Specification.  */
 #include "wait-process.h"
@@ -91,7 +89,6 @@
 #endif
 
 #include "error.h"
-#include "exit.h"
 #include "fatal-signal.h"
 #include "xalloc.h"
 #include "gettext.h"
@@ -103,6 +100,9 @@
 
 #if defined _MSC_VER || defined __MINGW32__
 
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
 /* The return value of spawnvp() is really a process handle as returned
    by CreateProcess().  Therefore we can kill it using TerminateProcess.  */
 #define kill(pid,sig) TerminateProcess ((HANDLE) (pid), sig)
@@ -140,7 +140,7 @@ static size_t slaves_allocated = SIZEOF (static_slaves);
 
 /* The cleanup action.  It gets called asynchronously.  */
 static void
-cleanup_slaves ()
+cleanup_slaves (void)
 {
   for (;;)
     {
@@ -202,6 +202,7 @@ register_slave_subprocess (pid_t child)
       slaves_entry_t *old_slaves = slaves;
       size_t new_slaves_allocated = 2 * slaves_allocated;
       slaves_entry_t *new_slaves =
+       (slaves_entry_t *)
        malloc (new_slaves_allocated * sizeof (slaves_entry_t));
       if (new_slaves == NULL)
        {
@@ -249,10 +250,13 @@ unregister_slave_subprocess (pid_t child)
    return 127.  */
 int
 wait_subprocess (pid_t child, const char *progname,
-                bool null_stderr,
+                bool ignore_sigpipe, bool null_stderr,
                 bool slave_process, bool exit_on_error)
 {
-#if HAVE_WAITID && defined WNOWAIT
+#if HAVE_WAITID && defined WNOWAIT && 0
+  /* Commented out because waitid() with WNOWAIT doesn't work: On Solaris 7
+     and OSF/1 4.0, it returns -1 and sets errno = ECHILD, and on HP-UX 10.20
+     it just hangs.  */
   /* Use of waitid() with WNOWAIT avoids a race condition: If slave_process is
      true, and this process sleeps a very long time between the return from
      waitpid() and the execution of unregister_slave_subprocess(), and
@@ -313,6 +317,10 @@ wait_subprocess (pid_t child, const char *progname,
     {
     case CLD_KILLED:
     case CLD_DUMPED:
+# ifdef SIGPIPE
+      if (info.si_status == SIGPIPE && ignore_sigpipe)
+       return 0;
+# endif
       if (exit_on_error || !null_stderr)
        error (exit_on_error ? EXIT_FAILURE : 0, 0,
               _("%s subprocess got fatal signal %d"),
@@ -376,6 +384,10 @@ wait_subprocess (pid_t child, const char *progname,
 
   if (WIFSIGNALED (status))
     {
+# ifdef SIGPIPE
+      if (WTERMSIG (status) == SIGPIPE && ignore_sigpipe)
+       return 0;
+# endif
       if (exit_on_error || !null_stderr)
        error (exit_on_error ? EXIT_FAILURE : 0, 0,
               _("%s subprocess got fatal signal %d"),