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qemu-thread: introduce QemuRecMutex

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GRecMutex is new in glib 2.32, so we cannot use it.  Introduce
a recursive mutex in qemu-thread instead, which will be used
instead of RFifoLock.

Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1477565348-5458-20-git-send-email-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
This commit is contained in:
Paolo Bonzini
2016-10-27 12:49:07 +02:00
committed by Fam Zheng
parent 65c1b5b622
commit feadec6384
5 changed files with 58 additions and 0 deletions
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6
include/qemu/thread-posix.h
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@@ -4,6 +4,12 @@
#include <pthread.h>
#include <semaphore.h>
typedef QemuMutex QemuRecMutex;
#define qemu_rec_mutex_destroy qemu_mutex_destroy
#define qemu_rec_mutex_lock qemu_mutex_lock
#define qemu_rec_mutex_try_lock qemu_mutex_try_lock
#define qemu_rec_mutex_unlock qemu_mutex_unlock
struct QemuMutex {
pthread_mutex_t lock;
};