diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sh/sem_post.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sh/sem_post.S | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S b/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S index 9bc12da7e0..a63233feab 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S +++ b/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2004, 2007 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 @@ -19,6 +19,7 @@ #include <sysdep.h> #include <shlib-compat.h> #include <pthread-errnos.h> +#include <structsem.h> #include "lowlevel-atomic.h" @@ -34,11 +35,14 @@ .align 5 __new_sem_post: mov #1, r3 - XADD (r3, @r4, r2) - + XADD (r3, @(VALUE,r4), r2) + mov.l @(NWAITERS,r4), r2 + tst r2, r2 + bt 2f mov #FUTEX_WAKE, r5 - mov r2, r6 - add #1, r6 + mov.l @(PRIVATE,r4), r1 + or r1, r5 + mov #1, r6 mov #0, r7 mov #SYS_futex, r3 extu.b r3, r3 @@ -47,6 +51,7 @@ __new_sem_post: cmp/pz r0 bf 1f +2: rts mov #0, r0 |