diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 6 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h | 28 |
2 files changed, 29 insertions, 5 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index dd87226d6e..54e7ff46a6 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,9 @@ +2006-01-20 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sysdeps/unix/sysv/linux/sh/lowlevellock.h (lll_futex_wait): + Return status. + (lll_futex_timed_wait): Define. + 2006-01-19 Ulrich Drepper <drepper@redhat.com> * tst-cancel4.c: Test ppoll. diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h index d9376d45a0..e3e3777f44 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2004, 2006 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 @@ -181,19 +181,37 @@ typedef int lll_lock_t; # endif #define lll_futex_wait(futex, val) \ - do { \ - int __ignore; \ + ({ \ + int __status; \ register unsigned long __r3 asm ("r3") = SYS_futex; \ register unsigned long __r4 asm ("r4") = (unsigned long) (futex); \ register unsigned long __r5 asm ("r5") = FUTEX_WAIT; \ register unsigned long __r6 asm ("r6") = (unsigned long) (val); \ register unsigned long __r7 asm ("r7") = 0; \ __asm __volatile (SYSCALL_WITH_INST_PAD \ - : "=z" (__ignore) \ + : "=z" (__status) \ : "r" (__r3), "r" (__r4), "r" (__r5), \ "r" (__r6), "r" (__r7) \ : "memory", "t"); \ - } while (0) + __status; \ + }) + + +#define lll_futex_timed_wait(futex, val, timeout) \ + ({ \ + int __status; \ + register unsigned long __r3 asm ("r3") = SYS_futex; \ + register unsigned long __r4 asm ("r4") = (unsigned long) (futex); \ + register unsigned long __r5 asm ("r5") = FUTEX_WAIT; \ + register unsigned long __r6 asm ("r6") = (unsigned long) (val); \ + register unsigned long __r7 asm ("r7") = (timeout); \ + __asm __volatile (SYSCALL_WITH_INST_PAD \ + : "=z" (__status) \ + : "r" (__r3), "r" (__r4), "r" (__r5), \ + "r" (__r6), "r" (__r7) \ + : "memory", "t"); \ + __status; \ + }) #define lll_futex_wake(futex, nr) \ |