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Diffstat (limited to 'sysdeps/unix/sysv/linux/vfork.c')
-rw-r--r--sysdeps/unix/sysv/linux/vfork.c51
1 files changed, 50 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/vfork.c b/sysdeps/unix/sysv/linux/vfork.c
index 9b4dd5f121..de250e8ebb 100644
--- a/sysdeps/unix/sysv/linux/vfork.c
+++ b/sysdeps/unix/sysv/linux/vfork.c
@@ -1 +1,50 @@
-#include <sysdeps/generic/vfork.c>
+/* Copyright (C) 1992, 1995, 1997, 1999 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+extern pid_t __syscall_fork __P ((void));
+
+#ifdef __NR_vfork
+extern pid_t __syscall_vfork __P ((void));
+
+/* Use the system call. If it's not available, fork is close enough. */
+
+pid_t
+__vfork __P ((void))
+{
+ pid_t retval = INLINE_SYSCALL (vfork, 0);
+
+ if (retval == (pid_t) -1 && errno == ENOSYS)
+ retval = INLINE_SYSCALL (fork, 0);
+
+ return retval;
+}
+#else
+pid_t
+__vfork __P ((void))
+{
+ return INLINE_SYSCALL (fork, 0);
+}
+#endif
+
+weak_alias (__vfork, vfork)