1 files changed, 86 insertions, 0 deletions
diff --git a/include/compat/pthread.h b/include/compat/pthread.h
new file mode 100644
index 0000000..8b8c3c6
--- /dev/null
+++ b/include/compat/pthread.h
@@ -0,0 +1,86 @@
+/*
+ * Public domain
+ * pthread.h compatibility shim
+ */
+
+#ifndef LIBCRYPTOCOMPAT_PTHREAD_H
+#define LIBCRYPTOCOMPAT_PTHREAD_H
+
+#ifdef _WIN32
+
+#include <windows.h>
+
+/*
+ * Static once initialization values.
+ */
+#define PTHREAD_ONCE_INIT   { INIT_ONCE_STATIC_INIT }
+
+/*
+ * Once definitions.
+ */
+struct pthread_once {
+	INIT_ONCE once;
+};
+typedef struct pthread_once pthread_once_t;
+
+static inline BOOL CALLBACK
+_pthread_once_win32_cb(PINIT_ONCE once, PVOID param, PVOID *context)
+{
+	void (*cb) (void) = param;
+	cb();
+	return TRUE;
+}
+
+static inline int
+pthread_once(pthread_once_t *once, void (*cb) (void))
+{
+	BOOL rc = InitOnceExecuteOnce(&once->once, _pthread_once_win32_cb, cb, NULL);
+	if (rc == 0)
+		return -1;
+	else
+		return 0;
+}
+
+typedef DWORD pthread_t;
+
+static inline pthread_t
+pthread_self(void)
+{
+	return GetCurrentThreadId();
+}
+
+static inline int
+pthread_equal(pthread_t t1, pthread_t t2)
+{
+	return t1 == t2;
+}
+
+typedef CRITICAL_SECTION pthread_mutex_t;
+typedef void pthread_mutexattr_t;
+
+static inline int
+pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr)
+{
+	InitializeCriticalSection(mutex);
+	return 0;
+}
+
+static inline int
+pthread_mutex_lock(pthread_mutex_t *mutex)
+{
+	EnterCriticalSection(mutex);
+	return 0;
+}
+
+static inline int
+pthread_mutex_unlock(pthread_mutex_t *mutex)
+{
+	LeaveCriticalSection(mutex);
+	return 0;
+}
+
+#else
+#include_next <pthread.h>
+#endif
+
+#endif