* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/kernel/activity/SemaphoreImpl.hpp"
+#include "src/simix/smx_synchro_private.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_semaphore, simix_synchro, "Semaphore kernel-space implementation");
namespace kernel {
namespace activity {
+void SemaphoreImpl::acquire(smx_actor_t issuer, double timeout)
+{
+ smx_activity_t synchro = nullptr;
+
+ XBT_DEBUG("Wait semaphore %p (timeout:%f)", this, timeout);
+ if (value_ <= 0) {
+ synchro = SIMIX_synchro_wait(issuer->host_, timeout);
+ synchro->simcalls_.push_front(&issuer->simcall);
+ issuer->waiting_synchro = synchro;
+ sleeping_.push_back(*issuer);
+ } else {
+ value_--;
+ SIMIX_simcall_answer(&issuer->simcall);
+ }
+}
void SemaphoreImpl::release()
{
XBT_DEBUG("Sem release semaphore %p", this);
} // namespace activity
} // namespace kernel
} // namespace simgrid
+
+// Simcall handlers:
+/**
+ * @brief Handles a sem acquire simcall without timeout.
+ */
+void simcall_HANDLER_sem_acquire(smx_simcall_t simcall, smx_sem_t sem)
+{
+ sem->acquire(simcall->issuer, -1);
+}
+
+/**
+ * @brief Handles a sem acquire simcall with timeout.
+ */
+void simcall_HANDLER_sem_acquire_timeout(smx_simcall_t simcall, smx_sem_t sem, double timeout)
+{
+ simcall_sem_acquire_timeout__set__result(simcall, 0); // default result, will be set to 1 on timeout
+ sem->acquire(simcall->issuer, timeout);
+}
SemaphoreImpl(SemaphoreImpl const&) = delete;
SemaphoreImpl& operator=(SemaphoreImpl const&) = delete;
+ void acquire(smx_actor_t issuer, double timeout);
void release();
bool would_block() { return (value_ <= 0); }
unsigned int get_capacity() { return value_; }
}
XBT_OUT();
}
-
-/******************************** Semaphores **********************************/
-
-static void _SIMIX_sem_wait(smx_sem_t sem, double timeout, smx_actor_t issuer,
- smx_simcall_t simcall)
-{
- XBT_IN("(%p, %f, %p, %p)",sem,timeout,issuer,simcall);
- smx_activity_t synchro = nullptr;
-
- XBT_DEBUG("Wait semaphore %p (timeout:%f)", sem, timeout);
- if (sem->value_ <= 0) {
- synchro = SIMIX_synchro_wait(issuer->host_, timeout);
- synchro->simcalls_.push_front(simcall);
- issuer->waiting_synchro = synchro;
- sem->sleeping_.push_back(*issuer);
- } else {
- sem->value_--;
- SIMIX_simcall_answer(simcall);
- }
- XBT_OUT();
-}
-
-/**
- * @brief Handles a sem acquire simcall without timeout.
- */
-void simcall_HANDLER_sem_acquire(smx_simcall_t simcall, smx_sem_t sem)
-{
- XBT_IN("(%p)",simcall);
- _SIMIX_sem_wait(sem, -1, simcall->issuer, simcall);
- XBT_OUT();
-}
-
-/**
- * @brief Handles a sem acquire simcall with timeout.
- */
-void simcall_HANDLER_sem_acquire_timeout(smx_simcall_t simcall, smx_sem_t sem, double timeout)
-{
- XBT_IN("(%p)",simcall);
- simcall_sem_acquire_timeout__set__result(simcall, 0); // default result, will be set to 1 on timeout
- _SIMIX_sem_wait(sem, timeout, simcall->issuer, simcall);
- XBT_OUT();
-}