X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=opt%2Fnothread%2Fcall_once.c;h=be1ed2e07e4e956ddaa1cd87f1313c2bbd5fcd02;hb=bb22ff7ecd9fe8f4641484df12ad629cd8ee27ac;hp=06de779568c390294955d1c4010f50b188717604;hpb=a38d56a6a13dbb89022b5448d2d5247f3f99ea41;p=pdclib.old

diff --git a/opt/nothread/call_once.c b/opt/nothread/call_once.c
index 06de779..be1ed2e 100644
--- a/opt/nothread/call_once.c
+++ b/opt/nothread/call_once.c
@@ -6,4 +6,29 @@ void _PDCLIB_call_once(_PDCLIB_once_flag *flag, void (*func)(void))
 		func();
 		*flag = _PDCLIB_ONCE_FLAG_DONE;
 	}
-}
\ No newline at end of file
+}
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+static int count = 0;
+once_flag once = ONCE_FLAG_INIT;
+
+static void do_once(void)
+{
+    count++;
+}
+
+int main( void )
+{
+    TESTCASE(count == 0);
+    call_once(&once, do_once);
+    TESTCASE(count == 1);
+    call_once(&once, do_once);
+    TESTCASE(count == 1);
+    do_once();
+    TESTCASE(count == 2);
+    return TEST_RESULTS;
+}
+
+#endif