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| author | Ulrich Drepper <drepper@redhat.com> | 2003-05-31 06:30:37 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-05-31 06:30:37 +0000 |
| commit | 5d4f57bd9398d5b4d0ed26af9d4bf6e65c28c73c (patch) | |
| tree | 1c51ae91f2c8e2bce901abf416453f96a322837d /nptl/sysdeps/unix/sysv/linux/lowlevellock.c | |
| parent | 7ab7ea333d4d8274ecada374923209efa13bb900 (diff) | |
| download | glibc-5d4f57bd9398d5b4d0ed26af9d4bf6e65c28c73c.tar glibc-5d4f57bd9398d5b4d0ed26af9d4bf6e65c28c73c.tar.gz glibc-5d4f57bd9398d5b4d0ed26af9d4bf6e65c28c73c.tar.bz2 glibc-5d4f57bd9398d5b4d0ed26af9d4bf6e65c28c73c.zip | |
Update.
2003-05-30 Ulrich Drepper <drepper@redhat.com>
* scripts/config.guess: Update from master copy.
* scripts/config.sub: Likewise.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/lowlevellock.c')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/lowlevellock.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/lowlevellock.c b/nptl/sysdeps/unix/sysv/linux/lowlevellock.c index db10573a45..eb3e689b9e 100644 --- a/nptl/sysdeps/unix/sysv/linux/lowlevellock.c +++ b/nptl/sysdeps/unix/sysv/linux/lowlevellock.c @@ -27,13 +27,15 @@ void __lll_lock_wait (int *futex, int val) { + /* In the loop we are going to add 2 instead of 1 which is what + the caller did. Account for that. */ + --val; do { - lll_futex_wait (futex, val + 1); - val = atomic_exchange_and_add (futex, 1); + lll_futex_wait (futex, val + 2); + val = atomic_exchange_and_add (futex, 2); } while (val != 0); - *futex = 2; } hidden_proto (__lll_lock_wait) |