qemu: mutex/thread/cond wrappers and configure tweaks (Marcelo Tosatti)

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7237 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 40 insertions, 0 deletions

diff --git a/qemu-thread.h b/qemu-thread.h
new file mode 100644
index 0000000000..5ef4a3aed5
--- /dev/null
+++ b/qemu-thread.h
@@ -0,0 +1,40 @@
+#ifndef __QEMU_THREAD_H
+#define __QEMU_THREAD_H 1
+#include "semaphore.h"
+#include "pthread.h"
+
+struct QemuMutex {
+    pthread_mutex_t lock;
+};
+
+struct QemuCond {
+    pthread_cond_t cond;
+};
+
+struct QemuThread {
+    pthread_t thread;
+};
+
+typedef struct QemuMutex QemuMutex;
+typedef struct QemuCond QemuCond;
+typedef struct QemuThread QemuThread;
+
+void qemu_mutex_init(QemuMutex *mutex);
+void qemu_mutex_lock(QemuMutex *mutex);
+int qemu_mutex_trylock(QemuMutex *mutex);
+int qemu_mutex_timedlock(QemuMutex *mutex, uint64_t msecs);
+void qemu_mutex_unlock(QemuMutex *mutex);
+
+void qemu_cond_init(QemuCond *cond);
+void qemu_cond_signal(QemuCond *cond);
+void qemu_cond_broadcast(QemuCond *cond);
+void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex);
+int qemu_cond_timedwait(QemuCond *cond, QemuMutex *mutex, uint64_t msecs);
+
+void qemu_thread_create(QemuThread *thread,
+                       void *(*start_routine)(void*),
+                       void *arg);
+void qemu_thread_signal(QemuThread *thread, int sig);
+void qemu_thread_self(QemuThread *thread);
+int qemu_thread_equal(QemuThread *thread1, QemuThread *thread2);
+#endif