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Windows: Fix mythread_once() macro with Vista threads. 

Don't call InitOnceComplete() if initialization was already done.

So far mythread_once() has been needed only when building
with --enable-small. windows/build.bash does this together
with --disable-threads so the Vista-specific mythread_once()
is never needed by those builds. VS project files or
CMake-builds don't support HAVE_SMALL builds at all.
This commit is contained in:
Lasse Collin 2022-10-31 13:31:58 +02:00
parent 48dde3bab9
commit e53e0e2186
1 changed files with 4 additions and 3 deletions
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3
src/common/mythread.h
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@ -370,10 +370,11 @@ typedef struct {
BOOL pending_; \ BOOL pending_; \
if (!InitOnceBeginInitialize(&once_, 0, &pending_, NULL)) \ if (!InitOnceBeginInitialize(&once_, 0, &pending_, NULL)) \
abort(); \ abort(); \
if (pending_) \ if (pending_) { \
func(); \ func(); \
if (!InitOnceComplete(&once, 0, NULL)) \ if (!InitOnceComplete(&once, 0, NULL)) \
abort(); \ abort(); \
} \
} while (0) } while (0)
#endif #endif