commit 89b48b56812a1a2d5b7edc927a7853d952e7fb38
author Paolo Bonzini <pbonzini@redhat.com> Sat Mar 12 17:43:54 2011 +0100
committer Blue Swirl <blauwirbel@gmail.com> Sun Mar 13 14:44:21 2011 +0000
tree 99c0949e319a2e0a3e76179b76eaf8a1f966c700
parent 96284e8973fe8d8556ef5d4aefa0807b9f22907c

add assertions on the owner of a QemuMutex

These are already present in the Win32 implementation, add them to
the pthread wrappers as well.  Use PTHREAD_MUTEX_ERRORCHECK for mutex
operations. Later we'll add tracking of the owner for cond_signal/broadcast.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

qemu-thread-posix.c

diff --git a/qemu-thread-posix.c b/qemu-thread-posix.c
index e307773..8b54cc0 100644
--- a/qemu-thread-posix.c
+++ b/qemu-thread-posix.c
@@ -28,8 +28,12 @@
 void qemu_mutex_init(QemuMutex *mutex)
 {
     int err;
+    pthread_mutexattr_t mutexattr;
 
-    err = pthread_mutex_init(&mutex->lock, NULL);
+    pthread_mutexattr_init(&mutexattr);
+    pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_ERRORCHECK);
+    err = pthread_mutex_init(&mutex->lock, &mutexattr);
+    pthread_mutexattr_destroy(&mutexattr);
     if (err)
         error_exit(err, __func__);
 }