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r12191@catbus: nickm | 2007-03-15 15:33:37 -0400

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Check return values from pthread_mutex functions.


svn:r9862
This commit is contained in:
Nick Mathewson 2007-03-17 21:09:49 +00:00
parent 194e0ae104
commit f8f5ea10de
2 changed files with 26 additions and 5 deletions
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3
ChangeLog
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@ -38,8 +38,9 @@ Changes in version 0.2.0.1-alpha - 2007-??-??
try to use \ consistently on windows and / consistently on unix: it
makes the log messages nicer.
o Minor bugfixes:
o Minor bugfixes (other):
- Stop allowing hibernating servers to be "stable" or "fast".
- Check return values from pthread_mutex functions.
o Minor bugfixes (controller), reported by daejees:
- Make 'getinfo fingerprint' return a 551 error if we're not a

28
src/common/compat.c
View File

@ -1248,30 +1248,50 @@ struct tor_mutex_t {
tor_mutex_t *
tor_mutex_new(void)
{
int err;
tor_mutex_t *mutex = tor_malloc_zero(sizeof(tor_mutex_t));
pthread_mutex_init(&mutex->mutex, NULL);
err = pthread_mutex_init(&mutex->mutex, NULL);
if (PREDICT_UNLIKELY(err)) {
log_err(LD_GENERAL, "Error %d creating a mutex.", err);
tor_fragile_assert();
}
return mutex;
}
/** Wait until <b>m</b> is free, then acquire it. */
void
tor_mutex_acquire(tor_mutex_t *m)
{
int err;
tor_assert(m);
pthread_mutex_lock(&m->mutex);
err = pthread_mutex_lock(&m->mutex);
if (PREDICT_UNLIKELY(err)) {
log_err(LD_GENERAL, "Error %d locking a mutex.", err);
tor_fragile_assert();
}
}
/** Release the lock <b>m</b> so another thread can have it. */
void
tor_mutex_release(tor_mutex_t *m)
{
int err;
tor_assert(m);
pthread_mutex_unlock(&m->mutex);
err = pthread_mutex_unlock(&m->mutex);
if (PREDICT_UNLIKELY(err)) {
log_err(LD_GENERAL, "Error %d unlocking a mutex.", err);
tor_fragile_assert();
}
}
/** Free all storage held by the lock <b>m</b>. */
void
tor_mutex_free(tor_mutex_t *m)
{
int err;
tor_assert(m);
pthread_mutex_destroy(&m->mutex);
err = pthread_mutex_destroy(&m->mutex);
if (PREDICT_UNLIKELY(err)) {
log_err(LD_GENERAL, "Error %d destroying a mutex.", err);
tor_fragile_assert();
}
tor_free(m);
}
/** Return an integer representing this thread. */