diff options
| author | Dan McDonald <danmcd@joyent.com> | 2020-09-22 10:39:49 -0400 |
|---|---|---|
| committer | Dan McDonald <danmcd@joyent.com> | 2020-09-22 10:39:49 -0400 |
| commit | 267e12a7d9bf6e5fcefb9cc00f46bfff0dc5226e (patch) | |
| tree | 19a3941920d0039c35d53a5cbee189b5ca51995a /usr/src/lib/libc/port/threads/rwlock.c | |
| parent | 517abc5c668925e6092495bf332233c3599980d2 (diff) | |
| parent | e9faba760cdf80d7dfa110fe0830917ab94668c2 (diff) | |
| download | illumos-joyent-vpc.tar.gz | |
Merge branch 'master' into vpcvpc
Diffstat (limited to 'usr/src/lib/libc/port/threads/rwlock.c')
| -rw-r--r-- | usr/src/lib/libc/port/threads/rwlock.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/usr/src/lib/libc/port/threads/rwlock.c b/usr/src/lib/libc/port/threads/rwlock.c index 9654b7daaf..faff5da953 100644 --- a/usr/src/lib/libc/port/threads/rwlock.c +++ b/usr/src/lib/libc/port/threads/rwlock.c @@ -505,7 +505,6 @@ shared_rwlock_lock(rwlock_t *rwlp, timespec_t *tsp, int rd_wr) { volatile uint32_t *rwstate = (volatile uint32_t *)&rwlp->rwlock_readers; mutex_t *mp = &rwlp->mutex; - uint32_t readers; int try_flag; int error; @@ -536,8 +535,12 @@ shared_rwlock_lock(rwlock_t *rwlp, timespec_t *tsp, int rd_wr) } } atomic_or_32(rwstate, URW_HAS_WAITERS); + +#ifdef THREAD_DEBUG + uint32_t readers; readers = *rwstate; ASSERT_CONSISTENT_STATE(readers); +#endif /* * The calls to __lwp_rwlock_*() below will release the mutex, * so we need a dtrace probe here. The owner field of the |