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| author | Romain Francoise <rfrancoise@debian.org> | 2014-10-21 19:28:38 +0200 |
|---|---|---|
| committer | Romain Francoise <rfrancoise@debian.org> | 2014-10-21 19:28:38 +0200 |
| commit | 2b8de74ff4c334c25e89988c4a401b24b5bcf03d (patch) | |
| tree | 10fb49ca94bfd0c8b8a583412281abfc0186836e /src/libstrongswan/threading/mutex.c | |
| parent | 81c63b0eed39432878f78727f60a1e7499645199 (diff) | |
| download | vyos-strongswan-2b8de74ff4c334c25e89988c4a401b24b5bcf03d.tar.gz vyos-strongswan-2b8de74ff4c334c25e89988c4a401b24b5bcf03d.zip | |
Import upstream release 5.2.1
Diffstat (limited to 'src/libstrongswan/threading/mutex.c')
| -rw-r--r-- | src/libstrongswan/threading/mutex.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/libstrongswan/threading/mutex.c b/src/libstrongswan/threading/mutex.c index f86e781c5..10cf04542 100644 --- a/src/libstrongswan/threading/mutex.c +++ b/src/libstrongswan/threading/mutex.c @@ -23,6 +23,7 @@ #include <library.h> #include <utils/debug.h> +#include "thread.h" #include "condvar.h" #include "mutex.h" #include "lock_profiler.h" @@ -70,7 +71,7 @@ struct private_r_mutex_t { /** * thread which currently owns mutex */ - pthread_t thread; + thread_t *thread; /** * times the current thread locked the mutex @@ -125,16 +126,16 @@ METHOD(mutex_t, unlock, void, METHOD(mutex_t, lock_r, void, private_r_mutex_t *this) { - pthread_t self = pthread_self(); + thread_t *self = thread_current(); - if (pthread_equal(this->thread, self)) + if (cas_ptr(&this->thread, self, self)) { this->times++; } else { lock(&this->generic); - this->thread = self; + cas_ptr(&this->thread, NULL, self); this->times = 1; } } @@ -144,7 +145,7 @@ METHOD(mutex_t, unlock_r, void, { if (--this->times == 0) { - memset(&this->thread, 0, sizeof(this->thread)); + cas_ptr(&this->thread, thread_current(), NULL); unlock(&this->generic); } } @@ -220,14 +221,15 @@ METHOD(condvar_t, wait_, void, if (mutex->recursive) { private_r_mutex_t* recursive = (private_r_mutex_t*)mutex; + thread_t *self = thread_current(); u_int times; /* keep track of the number of times this thread locked the mutex */ times = recursive->times; /* mutex owner gets cleared during condvar wait */ - memset(&recursive->thread, 0, sizeof(recursive->thread)); + cas_ptr(&recursive->thread, self, NULL); pthread_cond_wait(&this->condvar, &mutex->mutex); - recursive->thread = pthread_self(); + cas_ptr(&recursive->thread, NULL, self); recursive->times = times; } else @@ -253,13 +255,14 @@ METHOD(condvar_t, timed_wait_abs, bool, if (mutex->recursive) { private_r_mutex_t* recursive = (private_r_mutex_t*)mutex; + thread_t *self = thread_current(); u_int times; times = recursive->times; - memset(&recursive->thread, 0, sizeof(recursive->thread)); + cas_ptr(&recursive->thread, self, NULL); timed_out = pthread_cond_timedwait(&this->condvar, &mutex->mutex, &ts) == ETIMEDOUT; - recursive->thread = pthread_self(); + cas_ptr(&recursive->thread, NULL, self); recursive->times = times; } else |