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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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4
include/qemu/thread-posix.h
View file

@ -12,10 +12,12 @@ typedef QemuMutex QemuRecMutex;
struct QemuMutex {
pthread_mutex_t lock;
bool initialized;
};
struct QemuCond {
pthread_cond_t cond;
bool initialized;
};
struct QemuSemaphore {
@ -26,6 +28,7 @@ struct QemuSemaphore {
#else
sem_t sem;
#endif
bool initialized;
};
struct QemuEvent {
@ -34,6 +37,7 @@ struct QemuEvent {
pthread_cond_t cond;
#endif
unsigned value;
bool initialized;
};
struct QemuThread {