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| author | Qi Wang <interwq@gwu.edu> | 2017-04-21 22:05:43 (GMT) |
|---|---|---|
| committer | Qi Wang <interwq@gmail.com> | 2017-04-24 20:23:55 (GMT) |
| commit | f970c497dc5ab2b885d266d59948510c430f8ec1 (patch) | |
| tree | 93e071eb0f6e9ae372b5e5615c20f55229dd6984 /src | |
| parent | af76f0e5d28cd6f0ce8e6c8c6a2a78ba4089868a (diff) | |
| download | jemalloc-f970c497dc5ab2b885d266d59948510c430f8ec1.zip jemalloc-f970c497dc5ab2b885d266d59948510c430f8ec1.tar.gz jemalloc-f970c497dc5ab2b885d266d59948510c430f8ec1.tar.bz2 | |
Implement malloc_mutex_trylock() w/ proper stats update.
Diffstat (limited to 'src')
| -rw-r--r-- | src/mutex.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mutex.c b/src/mutex.c index 3bb5ce1..3eec970 100644 --- a/src/mutex.c +++ b/src/mutex.c @@ -81,7 +81,7 @@ malloc_mutex_lock_slow(malloc_mutex_t *mutex) { int cnt = 0, max_cnt = MALLOC_MUTEX_MAX_SPIN; do { CPU_SPINWAIT; - if (!malloc_mutex_trylock(mutex)) { + if (!malloc_mutex_trylock_final(mutex)) { data->n_spin_acquired++; return; } @@ -100,7 +100,7 @@ label_spin_done: uint32_t n_thds = atomic_fetch_add_u32(&data->n_waiting_thds, 1, ATOMIC_RELAXED) + 1; /* One last try as above two calls may take quite some cycles. */ - if (!malloc_mutex_trylock(mutex)) { + if (!malloc_mutex_trylock_final(mutex)) { atomic_fetch_sub_u32(&data->n_waiting_thds, 1, ATOMIC_RELAXED); data->n_spin_acquired++; return; |