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Enable thread safety for win32.mak build of PostgreSQL.

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Andreas Pflug
This commit is contained in:
Bruce Momjian
2004-06-19 04:22:17 +00:00
parent 1181ea6a78
commit af70d57825
5 changed files with 92 additions and 8 deletions
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12
src/interfaces/libpq/fe-connect.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-connect.c,v 1.274 2004/06/10 22:26:24 momjian Exp $
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-connect.c,v 1.275 2004/06/19 04:22:17 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -882,10 +882,12 @@ connectDBStart(PGconn *conn)
const char *node = NULL;
int ret;
#ifdef ENABLE_THREAD_SAFETY
#ifndef WIN32
static pthread_once_t check_sigpipe_once = PTHREAD_ONCE_INIT;
/* Check only on first connection request */
pthread_once(&check_sigpipe_once, check_sigpipe_handler);
#endif
#endif
if (!conn)
@ -3183,11 +3185,19 @@ PQinitSSL(int do_init)
}
static pgthreadlock_t default_threadlock;
static void
default_threadlock(int acquire)
{
#ifdef ENABLE_THREAD_SAFETY
#ifndef WIN32
static pthread_mutex_t singlethread_lock = PTHREAD_MUTEX_INITIALIZER;
#else
static pthread_mutex_t singlethread_lock;
static long mutex_initialized = 0;
if (!InterlockedExchange(&mutex_initialized, 1L))
pthread_mutex_init(&singlethread_lock, NULL);
#endif
if (acquire)
pthread_mutex_lock(&singlethread_lock);
else