Signed-off-by: Jonas Bonn <[email protected]>
---
libc/sysdeps/linux/common/vfork.c | 20 +++++++++++++++++++-
1 files changed, 19 insertions(+), 1 deletions(-)
diff --git a/libc/sysdeps/linux/common/vfork.c
b/libc/sysdeps/linux/common/vfork.c
index e7c9208..f7a5bd5 100644
--- a/libc/sysdeps/linux/common/vfork.c
+++ b/libc/sysdeps/linux/common/vfork.c
@@ -7,10 +7,28 @@
#include <unistd.h>
#include <sys/types.h>
#include <sys/syscall.h>
+#include <signal.h>
extern __typeof(vfork) __vfork attribute_hidden;
-#ifdef __NR_vfork
+#ifdef __NR_clone
+pid_t __vfork(void)
+{
+ pid_t pid;
+ pid = INLINE_SYSCALL(clone, 4, CLONE_VFORK | CLONE_VM | SIGCHLD,
+ NULL, NULL, NULL);
+
+ if (pid < 0) {
+ __set_errno (-pid);
+ 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)
--
1.7.5.4
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