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qemu-thread: Assert locks are initialized before using

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Not all platforms check whether a lock is initialized before used.  In
particular Linux seems to be more permissive than OSX.

Check initialization state explicitly in our code to catch such bugs
earlier.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170704122325.25634-1-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Fam Zheng 2017-07-04 20:23:25 +08:00 • committed by Paolo Bonzini
parent 025bdeab3c
commit c096358e74
4 changed files with 69 additions and 1 deletions
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5
include/qemu/thread-win32.h
View file

@ -5,11 +5,13 @@
struct QemuMutex {
SRWLOCK lock;
bool initialized;
};
typedef struct QemuRecMutex QemuRecMutex;
struct QemuRecMutex {
CRITICAL_SECTION lock;
bool initialized;
};
void qemu_rec_mutex_destroy(QemuRecMutex *mutex);
@ -19,15 +21,18 @@ void qemu_rec_mutex_unlock(QemuRecMutex *mutex);
struct QemuCond {
CONDITION_VARIABLE var;
bool initialized;
};
struct QemuSemaphore {
HANDLE sema;
bool initialized;
};
struct QemuEvent {
int value;
HANDLE event;
bool initialized;
};
typedef struct QemuThreadData QemuThreadData;