From 38b14db34e16bb0ae1f28b7ddccb6aa11a2a96a1 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Mon, 8 Aug 2011 14:36:41 +0200
Subject: qemu-thread: add QemuSemaphore

The new thread pool will use semaphores instead of condition
variables, because QemuCond does not have qemu_cond_timedwait.
(I also like it more this way).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 qemu-thread-posix.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'qemu-thread-posix.h')

diff --git a/qemu-thread-posix.h b/qemu-thread-posix.h
index ee4618e620..2542c15200 100644
--- a/qemu-thread-posix.h
+++ b/qemu-thread-posix.h
@@ -1,6 +1,7 @@
 #ifndef __QEMU_THREAD_POSIX_H
 #define __QEMU_THREAD_POSIX_H 1
 #include "pthread.h"
+#include <semaphore.h>
 
 struct QemuMutex {
     pthread_mutex_t lock;
@@ -10,6 +11,10 @@ struct QemuCond {
     pthread_cond_t cond;
 };
 
+struct QemuSemaphore {
+    sem_t sem;
+};
+
 struct QemuThread {
     pthread_t thread;
 };
-- 
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