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-rw-r--r--src/threadengine.cpp121
1 files changed, 121 insertions, 0 deletions
diff --git a/src/threadengine.cpp b/src/threadengine.cpp
index e11b065ea..c186e49a2 100644
--- a/src/threadengine.cpp
+++ b/src/threadengine.cpp
@@ -1,5 +1,35 @@
#include "services.h"
+static inline pthread_attr_t *get_engine_attr()
+{
+ /* Threadengine attributes used by this thread engine */
+ static pthread_attr_t attr;
+ static bool inited = false;
+
+ if (inited == false)
+ {
+ if (pthread_attr_init(&attr))
+ throw CoreException("Error calling pthread_attr_init");
+ if (pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE))
+ throw CoreException("Unable to mark threads as joinable");
+ inited = true;
+ }
+
+ return &attr;
+}
+
+/** Entry point used for the threads
+ * @param parameter A Thread* cast to a void*
+ */
+static void *entry_point(void *parameter)
+{
+ Thread *thread = static_cast<Thread *>(parameter);
+ thread->Run();
+ thread->SetExitState();
+ pthread_exit(0);
+ return NULL;
+}
+
/** Threads constructor
*/
Thread::Thread() : exit(false)
@@ -12,6 +42,14 @@ Thread::~Thread()
{
}
+/** Join to the thread, sets the exit state to true
+ */
+void Thread::Join()
+{
+ this->SetExitState();
+ pthread_join(Handle, NULL);
+}
+
/** Sets the exit state as true informing the thread we want it to shut down
*/
void Thread::SetExitState()
@@ -20,6 +58,25 @@ void Thread::SetExitState()
exit = true;
}
+/** Exit the thread. Note that the thread still must be joined to free resources!
+ */
+void Thread::Exit()
+{
+ this->SetExitState();
+ pthread_exit(0);
+}
+
+/** Launch the thread
+ */
+void Thread::Start()
+{
+ if (pthread_create(&this->Handle, get_engine_attr(), entry_point, this))
+ {
+ this->SetFlag(SF_DEAD);
+ throw CoreException("Unable to create thread: " + Anope::LastError());
+ }
+}
+
/** Returns the exit state of the thread
* @return true if we want to exit
*/
@@ -36,3 +93,67 @@ void Thread::OnNotify()
this->SetFlag(SF_DEAD);
}
+/** Constructor
+ */
+Mutex::Mutex()
+{
+ pthread_mutex_init(&mutex, NULL);
+}
+
+/** Destructor
+ */
+Mutex::~Mutex()
+{
+ pthread_mutex_destroy(&mutex);
+}
+
+/** Attempt to lock the mutex, will hang until a lock can be achieved
+ */
+void Mutex::Lock()
+{
+ pthread_mutex_lock(&mutex);
+}
+
+/** Unlock the mutex, it must be locked first
+ */
+void Mutex::Unlock()
+{
+ pthread_mutex_unlock(&mutex);
+}
+
+/** Attempt to lock the mutex, will return true on success and false on fail
+ * Does not block
+ * @return true or false
+ */
+bool Mutex::TryLock()
+{
+ return pthread_mutex_trylock(&mutex) == 0;
+}
+
+/** Constructor
+ */
+Condition::Condition() : Mutex()
+{
+ pthread_cond_init(&cond, NULL);
+}
+
+/** Destructor
+ */
+Condition::~Condition()
+{
+ pthread_cond_destroy(&cond);
+}
+
+/** Called to wakeup the waiter
+ */
+void Condition::Wakeup()
+{
+ pthread_cond_signal(&cond);
+}
+
+/** Called to wait for a Wakeup() call
+ */
+void Condition::Wait()
+{
+ pthread_cond_wait(&cond, &mutex);
+}