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| author | Ulrich Drepper <drepper@redhat.com> | 2007-06-08 02:50:59 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-06-08 02:50:59 +0000 |
| commit | 835abc5c0dfd1ba8aabeb52d46793b13702c708b (patch) | |
| tree | 8863a99b99c334da2e2fe77459acca76dbac5ef0 /nptl/lowlevellock.h | |
| parent | 43b768284325b7e7d2ec3fc3dcac13a35c378c95 (diff) | |
| download | glibc-835abc5c0dfd1ba8aabeb52d46793b13702c708b.tar glibc-835abc5c0dfd1ba8aabeb52d46793b13702c708b.tar.gz glibc-835abc5c0dfd1ba8aabeb52d46793b13702c708b.tar.bz2 glibc-835abc5c0dfd1ba8aabeb52d46793b13702c708b.zip | |
[BZ #4586]
2007-06-06 Jakub Jelinek <jakub@redhat.com>
BZ #4586
* sysdeps/i386/ldbl2mpn.c (__mpn_extract_long_double): Treat
pseudo-zeros as zero.
* sysdeps/x86_64/ldbl2mpn.c: New file.
* sysdeps/ia64/ldbl2mpn.c: New file.
Diffstat (limited to 'nptl/lowlevellock.h')
| -rw-r--r-- | nptl/lowlevellock.h | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/nptl/lowlevellock.h b/nptl/lowlevellock.h index 338da39990..0600e1794d 100644 --- a/nptl/lowlevellock.h +++ b/nptl/lowlevellock.h @@ -1,5 +1,5 @@ /* Low level locking macros used in NPTL implementation. Stub version. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -21,16 +21,6 @@ #include <atomic.h> -/* Implement generic mutex. Basic futex syscall support is required: - - lll_futex_wait(futex, value) - call sys_futex with FUTEX_WAIT - and third parameter VALUE - - lll_futex_wake(futex, value) - call sys_futex with FUTEX_WAKE - and third parameter VALUE -*/ - - /* Mutex lock counter: bit 31 clear means unlocked; bit 31 set means locked. @@ -66,7 +56,9 @@ __generic_mutex_lock (int *mutex) if (v >= 0) continue; - lll_futex_wait (mutex, v); + lll_futex_wait (mutex, v, + // XYZ check mutex flag + LLL_SHARED); } } @@ -82,7 +74,9 @@ __generic_mutex_unlock (int *mutex) /* There are other threads waiting for this mutex, wake one of them up. */ - lll_futex_wake (mutex, 1); + lll_futex_wake (mutex, 1, + // XYZ check mutex flag + LLL_SHARED); } |