* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/kernel/activity/SemaphoreImpl.hpp"
+#include "src/kernel/activity/SynchroRaw.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)
+{
+ RawImplPtr synchro = nullptr;
+
+ XBT_DEBUG("Wait semaphore %p (timeout:%f)", this, timeout);
+ if (value_ <= 0) {
+ synchro = RawImplPtr(new RawImpl())->start(issuer->get_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);
+}