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| author | Ulrich Drepper <drepper@redhat.com> | 2003-05-30 16:36:18 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-05-30 16:36:18 +0000 |
| commit | 50794a453b2ae734d475f9f76e4c0fa0e529a695 (patch) | |
| tree | d677117fc7d0dd6413507bd7cd1c73238938ee97 /nptl/sysdeps/unix/sysv/linux/ia64 | |
| parent | 4761520e934209d9c28851ba3d51a2be18ea5379 (diff) | |
| download | glibc-50794a453b2ae734d475f9f76e4c0fa0e529a695.tar.gz glibc-50794a453b2ae734d475f9f76e4c0fa0e529a695.tar.xz glibc-50794a453b2ae734d475f9f76e4c0fa0e529a695.zip | |
Update.
2003-05-30 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/ia64/lowlevellock.h (__lll_mutex_cond_lock): Add one to value parameter of __lll_lock_wait to reflect reality in the futex syscall. * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h (lll_mutex_cond_lock): Likewise.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/ia64')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h index 525869b302..b7f018b9a1 100644 --- a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h @@ -142,7 +142,10 @@ __lll_mutex_cond_lock (int *futex) int val = atomic_exchange_and_add (futex, 2); if (__builtin_expect (val != 0, 0)) - __lll_lock_wait (futex, val); + /* Note, the val + 1 is kind of ugly here. __lll_lock_wait will add + 1 again. But we added 2 to the futex value so this is the right + value which will be passed to the kernel. */ + __lll_lock_wait (futex, val + 1); } #define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex)) |