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authorYves-Alexis Perez <corsac@corsac.net>2012-06-28 21:16:07 +0200
committerYves-Alexis Perez <corsac@corsac.net>2012-06-28 21:16:07 +0200
commitb34738ed08c2227300d554b139e2495ca5da97d6 (patch)
tree62f33b52820f2e49f0e53c0f8c636312037c8054 /src/libstrongswan/threading/rwlock.c
parent0a9d51a49042a68daa15b0c74a2b7f152f52606b (diff)
downloadvyos-strongswan-b34738ed08c2227300d554b139e2495ca5da97d6.tar.gz
vyos-strongswan-b34738ed08c2227300d554b139e2495ca5da97d6.zip
Imported Upstream version 4.6.4
Diffstat (limited to 'src/libstrongswan/threading/rwlock.c')
-rw-r--r--src/libstrongswan/threading/rwlock.c106
1 files changed, 45 insertions, 61 deletions
diff --git a/src/libstrongswan/threading/rwlock.c b/src/libstrongswan/threading/rwlock.c
index cec43f59c..15dc0b334 100644
--- a/src/libstrongswan/threading/rwlock.c
+++ b/src/libstrongswan/threading/rwlock.c
@@ -87,10 +87,8 @@ struct private_rwlock_t {
#ifdef HAVE_PTHREAD_RWLOCK_INIT
-/**
- * Implementation of rwlock_t.read_lock
- */
-static void read_lock(private_rwlock_t *this)
+METHOD(rwlock_t, read_lock, void,
+ private_rwlock_t *this)
{
int err;
@@ -103,10 +101,8 @@ static void read_lock(private_rwlock_t *this)
profiler_end(&this->profile);
}
-/**
- * Implementation of rwlock_t.write_lock
- */
-static void write_lock(private_rwlock_t *this)
+METHOD(rwlock_t, write_lock, void,
+ private_rwlock_t *this)
{
int err;
@@ -119,18 +115,14 @@ static void write_lock(private_rwlock_t *this)
profiler_end(&this->profile);
}
-/**
- * Implementation of rwlock_t.try_write_lock
- */
-static bool try_write_lock(private_rwlock_t *this)
+METHOD(rwlock_t, try_write_lock, bool,
+ private_rwlock_t *this)
{
return pthread_rwlock_trywrlock(&this->rwlock) == 0;
}
-/**
- * Implementation of rwlock_t.unlock
- */
-static void rw_unlock(private_rwlock_t *this)
+METHOD(rwlock_t, unlock, void,
+ private_rwlock_t *this)
{
int err;
@@ -141,10 +133,8 @@ static void rw_unlock(private_rwlock_t *this)
}
}
-/**
- * Implementation of rwlock_t.destroy
- */
-static void rw_destroy(private_rwlock_t *this)
+METHOD(rwlock_t, destroy, void,
+ private_rwlock_t *this)
{
pthread_rwlock_destroy(&this->rwlock);
profiler_cleanup(&this->profile);
@@ -161,13 +151,17 @@ rwlock_t *rwlock_create(rwlock_type_t type)
case RWLOCK_TYPE_DEFAULT:
default:
{
- private_rwlock_t *this = malloc_thing(private_rwlock_t);
-
- this->public.read_lock = (void(*)(rwlock_t*))read_lock;
- this->public.write_lock = (void(*)(rwlock_t*))write_lock;
- this->public.try_write_lock = (bool(*)(rwlock_t*))try_write_lock;
- this->public.unlock = (void(*)(rwlock_t*))rw_unlock;
- this->public.destroy = (void(*)(rwlock_t*))rw_destroy;
+ private_rwlock_t *this;
+
+ INIT(this,
+ .public = {
+ .read_lock = _read_lock,
+ .write_lock = _write_lock,
+ .try_write_lock = _try_write_lock,
+ .unlock = _unlock,
+ .destroy = _destroy,
+ }
+ );
pthread_rwlock_init(&this->rwlock, NULL);
profiler_init(&this->profile);
@@ -200,10 +194,8 @@ rwlock_t *rwlock_create(rwlock_type_t type)
* checked or enforced so behave yourself to prevent deadlocks).
*/
-/**
- * Implementation of rwlock_t.read_lock
- */
-static void read_lock(private_rwlock_t *this)
+METHOD(rwlock_t, read_lock, void,
+ private_rwlock_t *this)
{
profiler_start(&this->profile);
this->mutex->lock(this->mutex);
@@ -216,10 +208,8 @@ static void read_lock(private_rwlock_t *this)
this->mutex->unlock(this->mutex);
}
-/**
- * Implementation of rwlock_t.write_lock
- */
-static void write_lock(private_rwlock_t *this)
+METHOD(rwlock_t, write_lock, void,
+ private_rwlock_t *this)
{
profiler_start(&this->profile);
this->mutex->lock(this->mutex);
@@ -234,10 +224,8 @@ static void write_lock(private_rwlock_t *this)
this->mutex->unlock(this->mutex);
}
-/**
- * Implementation of rwlock_t.try_write_lock
- */
-static bool try_write_lock(private_rwlock_t *this)
+METHOD(rwlock_t, try_write_lock, bool,
+ private_rwlock_t *this)
{
bool res = FALSE;
this->mutex->lock(this->mutex);
@@ -250,10 +238,8 @@ static bool try_write_lock(private_rwlock_t *this)
return res;
}
-/**
- * Implementation of rwlock_t.unlock
- */
-static void rw_unlock(private_rwlock_t *this)
+METHOD(rwlock_t, unlock, void,
+ private_rwlock_t *this)
{
this->mutex->lock(this->mutex);
if (this->writer == pthread_self())
@@ -279,10 +265,8 @@ static void rw_unlock(private_rwlock_t *this)
this->mutex->unlock(this->mutex);
}
-/**
- * Implementation of rwlock_t.destroy
- */
-static void rw_destroy(private_rwlock_t *this)
+METHOD(rwlock_t, destroy, void,
+ private_rwlock_t *this)
{
this->mutex->destroy(this->mutex);
this->writers->destroy(this->writers);
@@ -301,20 +285,20 @@ rwlock_t *rwlock_create(rwlock_type_t type)
case RWLOCK_TYPE_DEFAULT:
default:
{
- private_rwlock_t *this = malloc_thing(private_rwlock_t);
-
- this->public.read_lock = (void(*)(rwlock_t*))read_lock;
- this->public.write_lock = (void(*)(rwlock_t*))write_lock;
- this->public.try_write_lock = (bool(*)(rwlock_t*))try_write_lock;
- this->public.unlock = (void(*)(rwlock_t*))rw_unlock;
- this->public.destroy = (void(*)(rwlock_t*))rw_destroy;
-
- this->mutex = mutex_create(MUTEX_TYPE_DEFAULT);
- this->writers = condvar_create(CONDVAR_TYPE_DEFAULT);
- this->readers = condvar_create(CONDVAR_TYPE_DEFAULT);
- this->waiting_writers = 0;
- this->reader_count = 0;
- this->writer = 0;
+ private_rwlock_t *this;
+
+ INIT(this,
+ .public = {
+ .read_lock = _read_lock,
+ .write_lock = _write_lock,
+ .try_write_lock = _try_write_lock,
+ .unlock = _unlock,
+ .destroy = _destroy,
+ },
+ .mutex = mutex_create(MUTEX_TYPE_DEFAULT),
+ .writers = condvar_create(CONDVAR_TYPE_DEFAULT),
+ .readers = condvar_create(CONDVAR_TYPE_DEFAULT),
+ );
profiler_init(&this->profile);