From bddde5860ffb8a78587854cc8e3e914bd69269ca Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@openadk.org>
Date: Sun, 22 Jan 2017 10:24:51 +0100
Subject: remove PID caching

Follow GNU C Library from c579f48edba88380635ab98cb612030e3ed8691e
and remove the PID caching. These simplifies the architecture specific
assembly code.
The run of the test suite found no regressions, it even solves
some of the test failures for x86/x86_64/sparc.

Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Acked-by: Matthew Fortune <Matthew.Fortune@imgtec.com>
Acked-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
---
 libc/sysdeps/linux/arm/vfork.S | 13 -------------
 1 file changed, 13 deletions(-)

(limited to 'libc/sysdeps/linux/arm/vfork.S')

diff --git a/libc/sysdeps/linux/arm/vfork.S b/libc/sysdeps/linux/arm/vfork.S
index 221a90c40..455b2f8d9 100644
--- a/libc/sysdeps/linux/arm/vfork.S
+++ b/libc/sysdeps/linux/arm/vfork.S
@@ -13,15 +13,6 @@
 #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
@@ -33,9 +24,7 @@
 .thumb_func
 __vfork:
 #ifdef __NR_vfork
-	SAVE_PID
 	DO_CALL (vfork)
-	RESTORE_PID
 	ldr		r1, =0xfffff000
 	cmp		r0, r1
 	bcs		1f
@@ -69,9 +58,7 @@ __error:
 __vfork:
 
 #ifdef __NR_vfork
-	SAVE_PID
 	DO_CALL (vfork)
-	RESTORE_PID
 	cmn	r0, #4096
 	IT(t, cc)
 	BXC(cc, lr)
-- 
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