From: Markos Chandras <[email protected]>
Signed-off-by: Markos Chandras <[email protected]>
---
libc/sysdeps/linux/common/vfork.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/libc/sysdeps/linux/common/vfork.c
b/libc/sysdeps/linux/common/vfork.c
index e7c9208..377418c 100644
--- a/libc/sysdeps/linux/common/vfork.c
+++ b/libc/sysdeps/linux/common/vfork.c
@@ -4,13 +4,27 @@
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
+#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/syscall.h>
extern __typeof(vfork) __vfork attribute_hidden;
-#ifdef __NR_vfork
+#if defined(__NR_fork) && !defined(__NR_vfork)
+pid_t __vfork(void)
+{
+ pid_t pid = INLINE_SYSCALL(fork, 0);
+
+ if (pid<0)
+ return -1
+
+ return pid;
+}
+weak_alias(__vfork, vfork)
+libc_hidden_weak(vfork)
+
+#elif defined(__NR_vfork)
# define __NR___vfork __NR_vfork
_syscall0(pid_t, __vfork)
--
1.8.0
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