[ViewVC] Diff of: cebix/BasiliskII/src/Unix/timer

Comparing BasiliskII/src/Unix/timer_unix.cpp (file contents):
Revision 1.16 by gbeauche, 2005-02-21T22:57:03Z vs.
Revision 1.17 by gbeauche, 2005-06-30T10:20:18Z

+#endif
+        } while (was_error && (errno == EINTR));
-+
-+
-+
+/*
-+
+ *  Suspend emulator thread, virtual CPU in idle mode
-+
+ */
-+
-+
+#ifdef HAVE_PTHREADS
-+
+#if defined(HAVE_PTHREAD_COND_INIT)
-+
+#define IDLE_USES_COND_WAIT 1
-+
+static pthread_mutex_t idle_lock = PTHREAD_MUTEX_INITIALIZER;
-+
+static pthread_cond_t idle_cond = PTHREAD_COND_INITIALIZER;
-+
+#elif defined(HAVE_SEM_INIT)
-+
+#define IDLE_USES_SEMAPHORE 1
-+
+#include <semaphore.h>
-+
+#ifdef HAVE_SPINLOCKS
-+
+static spinlock_t idle_lock = SPIN_LOCK_UNLOCKED;
-+
+#define LOCK_IDLE spin_lock(&idle_lock)
-+
+#define UNLOCK_IDLE spin_unlock(&idle_lock)
-+
+#else
-+
+static pthread_mutex_t idle_lock = PTHREAD_MUTEX_INITIALIZER;
-+
+#define LOCK_IDLE pthread_mutex_lock(&idle_lock)
-+
+#define UNLOCK_IDLE pthread_mutex_unlock(&idle_lock)
-+
+#endif
-+
+static sem_t idle_sem;
-+
+static int idle_sem_ok = -1;
-+
+#endif
-+
+#endif
-+
-+
+void idle_wait(void)
-+
+{
-+
+#ifdef IDLE_USES_COND_WAIT
-+
+        pthread_cond_wait(&idle_cond, &idle_lock);
-+
+#else
-+
+#ifdef IDLE_USES_SEMAPHORE
-+
+        if (idle_sem_ok < 0)
-+
+                idle_sem_ok = (sem_init(&idle_sem, 0, 0) == 0);
-+
+        if (idle_sem_ok > 0) {
-+
+                LOCK_IDLE;
-+
+                idle_sem_ok++;
-+
+                UNLOCK_IDLE;
-+
+                sem_wait(&idle_sem);
-+
+                return;
-+
+        }
-+
+#endif
-+
+        Delay_usec(10000);
-+
+#endif
-+
+}
-+
-+
-+
+/*
-+
+ *  Resume execution of emulator thread, events just arrived
-+
+ */
-+
-+
+void idle_resume(void)
-+
+{
-+
+#ifdef IDLE_USES_COND_WAIT
-+
+        pthread_cond_signal(&idle_cond);
-+
+#else
-+
+#ifdef IDLE_USES_SEMAPHORE
-+
+        if (idle_sem_ok > 1) {
-+
+                LOCK_IDLE;
-+
+                idle_sem_ok--;
-+
+                UNLOCK_IDLE;
-+
+                sem_post(&idle_sem);
-+
+                return;
-+
+        }
-+
+#endif
-+
+#endif
-+
+}

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Comparing BasiliskII/src/Unix/timer_unix.cpp (file contents): Revision 1.16 by gbeauche, 2005-02-21T22:57:03Z vs. Revision 1.17 by gbeauche, 2005-06-30T10:20:18Z

Diff Legend

Comparing BasiliskII/src/Unix/timer_unix.cpp (file contents):
Revision 1.16 by gbeauche, 2005-02-21T22:57:03Z vs.
Revision 1.17 by gbeauche, 2005-06-30T10:20:18Z