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| author | Ulrich Drepper <drepper@redhat.com> | 2001-02-19 18:47:27 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2001-02-19 18:47:27 +0000 |
| commit | b99a3ee2223e29059b00616365625cc9c55a362e (patch) | |
| tree | fadb156262dfb248b116e88bfcc09c52e9088ab1 /linuxthreads | |
| parent | 4595829c99d5ac22a0b934140eb57e1e5fd62d93 (diff) | |
| download | glibc-b99a3ee2223e29059b00616365625cc9c55a362e.tar.xz glibc-b99a3ee2223e29059b00616365625cc9c55a362e.zip | |
(__pthread_lock): Force lock->__status to be read from memory on every spin.
Diffstat (limited to 'linuxthreads')
| -rw-r--r-- | linuxthreads/spinlock.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/linuxthreads/spinlock.c b/linuxthreads/spinlock.c index 63f2ed1693..f284b580d2 100644 --- a/linuxthreads/spinlock.c +++ b/linuxthreads/spinlock.c @@ -88,6 +88,7 @@ again: return; } } + __asm __volatile ("" : "=m" (lock->__status) : "0" (lock->__status)); } lock->__spinlock += (spin_count - lock->__spinlock) / 8; |