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Add a memory barrier to the mutex initialization logic, try to work around

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an issue reported by WebKit.

FossilOrigin-Name: 11a9a786ec06403addb47f5c6fb142b382fae522
This commit is contained in:
drh
2015-09-06 02:51:04 +00:00
parent 0b8d255c37
commit 6081c1dbdf
7 changed files with 33 additions and 11 deletions
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src/mutex.c
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@@ -53,6 +53,7 @@ int sqlite3MutexInit(void){
pTo->xMutexLeave = pFrom->xMutexLeave;
pTo->xMutexHeld = pFrom->xMutexHeld;
pTo->xMutexNotheld = pFrom->xMutexNotheld;
sqlite3MemoryBarrier();
pTo->xMutexAlloc = pFrom->xMutexAlloc;
}
rc = sqlite3GlobalConfig.mutex.xMutexInit();