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| author | Bruce Momjian <bruce@momjian.us> | 2004-07-12 14:23:28 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2004-07-12 14:23:28 +0000 |
| commit | f4c5e06edf03774258886c802e63c5a3b9cf1e4c (patch) | |
| tree | e1f4598629ceee4835e49e60c43c297745e92632 /src/backend/access/gist/gist.c | |
| parent | a29d26a3cdf8c61313ae459366eeb05f67772cc0 (diff) | |
| download | postgresql-f4c5e06edf03774258886c802e63c5a3b9cf1e4c.tar.gz postgresql-f4c5e06edf03774258886c802e63c5a3b9cf1e4c.zip | |
> win32 doesn't support a static initializer for mutexes, thus the first
> user must initialize the lock. The problem are concurrent "first" users
> - the pthread_mutex_t initialization must be synchronized.
> The current implementation is broken, the attached patches fixes that:
> mutex_initlock is a spinlock. If the pthread_mutex_t mutex is not
> initialized, then the spinlock is acquired, if the pthread_mutex_t is
> initialized if it's not yet initialized and then the spinlock is dropped.
Manfred Spraul
Diffstat (limited to 'src/backend/access/gist/gist.c')
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