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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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10
include/qemu/thread-win32.h
View file

@ -8,6 +8,16 @@ struct QemuMutex {
LONG owner;
};
typedef struct QemuRecMutex QemuRecMutex;
struct QemuRecMutex {
CRITICAL_SECTION lock;
};
void qemu_rec_mutex_destroy(QemuRecMutex *mutex);
void qemu_rec_mutex_lock(QemuRecMutex *mutex);
int qemu_rec_mutex_trylock(QemuRecMutex *mutex);
void qemu_rec_mutex_unlock(QemuRecMutex *mutex);
struct QemuCond {
LONG waiters, target;
HANDLE sema;