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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/stub/wait3.c
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initial import
Diffstat (limited to 'sysdeps/stub/wait3.c')
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1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/stub/wait3.c b/sysdeps/stub/wait3.c
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+/* Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+
+/* Wait for a child to exit.  When one does, put its status in *STAT_LOC and
+   return its process ID.  For errors return (pid_t) -1.  If USAGE is not nil,
+   store information about the child's resource usage (as a `struct rusage')
+   there.  If the WUNTRACED bit is set in OPTIONS, return status for stopped
+   children; otherwise don't.  */
+pid_t
+DEFUN(__wait3, (stat_loc, options, usage),
+      __WAIT_STATUS_DEFN stat_loc AND int options AND struct rusage *usage)
+{
+  if ((options & ~(WNOHANG|WUNTRACED)) != 0)
+    {
+      errno = EINVAL;
+      return (pid_t) -1;
+    }
+
+  errno = ENOSYS;
+  return (pid_t) -1;
+}
+stub_warning (wait3)
+
+weak_alias (__wait3, wait3)