1 files changed, 86 insertions, 0 deletions
diff --git a/src/win32/pthread.c b/src/win32/pthread.c
new file mode 100644
index 000000000..f47364a76
--- /dev/null
+++ b/src/win32/pthread.c
@@ -0,0 +1,86 @@
+/*
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2,
+ * as published by the Free Software Foundation.
+ *
+ * In addition to the permissions in the GNU General Public License,
+ * the authors give you unlimited permission to link the compiled
+ * version of this file into combinations with other programs,
+ * and to distribute those combinations without any restriction
+ * coming from the use of this file.  (The General Public License
+ * restrictions do apply in other respects; for example, they cover
+ * modification of the file, and distribution when not linked into
+ * a combined executable.)
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ *  Original code by Ramiro Polla (Public Domain)
+ */
+
+#include "pthread.h"
+
+int pthread_create(pthread_t *GIT_RESTRICT thread,
+                   const pthread_attr_t *GIT_RESTRICT GIT_UNUSED(attr),
+                   void *(*start_routine)(void*), void *GIT_RESTRICT arg)
+{
+	GIT_UNUSED_ARG(attr);
+	*thread = (pthread_t) CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)start_routine, arg, 0, NULL);
+	return *thread ? GIT_SUCCESS : GIT_EOSERR;
+}
+
+int pthread_join(pthread_t thread, void **value_ptr)
+{
+    int ret;
+    ret = WaitForSingleObject(thread, INFINITE);
+    if (ret && value_ptr)
+        GetExitCodeThread(thread, (void*) value_ptr);
+    return -(!!ret);
+}
+
+int pthread_mutex_init(pthread_mutex_t *GIT_RESTRICT mutex,
+                       const pthread_mutexattr_t *GIT_RESTRICT GIT_UNUSED(mutexattr))
+{
+	GIT_UNUSED_ARG(mutexattr);
+    InitializeCriticalSection(mutex);
+    return 0;
+}
+
+int pthread_mutex_destroy(pthread_mutex_t *mutex)
+{
+    int ret;
+    ret = CloseHandle(mutex);
+    return -(!ret);
+}
+
+int pthread_mutex_lock(pthread_mutex_t *mutex)
+{
+    EnterCriticalSection(mutex);
+    return 0;
+}
+
+int pthread_mutex_unlock(pthread_mutex_t *mutex)
+{
+    LeaveCriticalSection(mutex);
+    return 0;
+}
+
+int pthread_num_processors_np(void)
+{
+    DWORD_PTR p, s;
+    int n = 0;
+
+    if (GetProcessAffinityMask(GetCurrentProcess(), &p, &s))
+        for (; p; p >>= 1)
+            n += p&1;
+
+    return n ? n : 1;
+}
+