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Diffstat (limited to 'libc/sysdeps/linux/arm/vfork.S')
-rw-r--r--libc/sysdeps/linux/arm/vfork.S13
1 files changed, 13 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arm/vfork.S b/libc/sysdeps/linux/arm/vfork.S
index 42595b0..17d6a4d 100644
--- a/libc/sysdeps/linux/arm/vfork.S
+++ b/libc/sysdeps/linux/arm/vfork.S
@@ -12,6 +12,15 @@
#include <bits/errno.h>
#include <sys/syscall.h>
+#ifndef SAVE_PID
+#define SAVE_PID
+#endif
+
+#ifndef RESTORE_PID
+#define RESTORE_PID
+#endif
+
+
#ifdef __NR_fork
.text
.global __vfork
@@ -23,7 +32,9 @@
.thumb_func
__vfork:
#ifdef __NR_vfork
+ SAVE_PID
DO_CALL (vfork)
+ RESTORE_PID
ldr r1, =0xfffff000
cmp r0, r1
bcs 1f
@@ -57,7 +68,9 @@ __error:
__vfork:
#ifdef __NR_vfork
+ SAVE_PID
DO_CALL (vfork)
+ RESTORE_PID
cmn r0, #4096
IT(t, cc)
#if defined(__USE_BX__)