From: Kaz Kojima <kkojima@rr.iij4u.or.jp>
To: libc-hacker@sources.redhat.com
Subject: [PATCH] sh/lowlevellock.h tidyup
Date: Fri, 20 Jan 2006 11:50:00 -0000 [thread overview]
Message-ID: <20060120.205015.132932966.kkojima@rr.iij4u.or.jp> (raw)
Hi,
The attached is a tidyup patch for SH which is very same with
the recent change for x86.
Regards,
kaz
--
[nptl/ChangeLog]
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.
--- ORIG/libc/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h 2004-06-04 00:29:17.000000000 +0900
+++ LOCAL/libc/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h 2006-01-19 09:47:46.000000000 +0900
@@ -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) \
next reply other threads:[~2006-01-20 11:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-20 11:50 Kaz Kojima [this message]
2006-01-20 16:50 ` Ulrich Drepper
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