Adding upstream version 15.4.upstream/15.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/src/interfaces/libpq/pthread-win32.c b/src/interfaces/libpq/pthread-win32.c
new file mode 100644
index 0000000..c0e056e
--- /dev/null
+++ b/src/interfaces/libpq/pthread-win32.c
@@ -0,0 +1,60 @@
+/*-------------------------------------------------------------------------
+*
+* pthread-win32.c
+*	 partial pthread implementation for win32
+*
+* Copyright (c) 2004-2022, PostgreSQL Global Development Group
+* IDENTIFICATION
+*	src/interfaces/libpq/pthread-win32.c
+*
+*-------------------------------------------------------------------------
+*/
+
+#include "postgres_fe.h"
+
+#include "pthread-win32.h"
+
+DWORD
+pthread_self(void)
+{
+	return GetCurrentThreadId();
+}
+
+void
+pthread_setspecific(pthread_key_t key, void *val)
+{
+}
+
+void *
+pthread_getspecific(pthread_key_t key)
+{
+	return NULL;
+}
+
+int
+pthread_mutex_init(pthread_mutex_t *mp, void *attr)
+{
+	*mp = (CRITICAL_SECTION *) malloc(sizeof(CRITICAL_SECTION));
+	if (!*mp)
+		return 1;
+	InitializeCriticalSection(*mp);
+	return 0;
+}
+
+int
+pthread_mutex_lock(pthread_mutex_t *mp)
+{
+	if (!*mp)
+		return 1;
+	EnterCriticalSection(*mp);
+	return 0;
+}
+
+int
+pthread_mutex_unlock(pthread_mutex_t *mp)
+{
+	if (!*mp)
+		return 1;
+	LeaveCriticalSection(*mp);
+	return 0;
+}