X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Fflockfile.c;fp=functions%2Fstdio%2Fflockfile.c;h=4e80daf589b66a2563c44b704f6ea8a5a5943e93;hb=026148e2e90368c0b23192f506e15aa6197105aa;hp=0000000000000000000000000000000000000000;hpb=e70d680319ea23460b891e14259f2f6b3a568291;p=pdclib

diff --git a/functions/stdio/flockfile.c b/functions/stdio/flockfile.c
new file mode 100644
index 0000000..4e80daf
--- /dev/null
+++ b/functions/stdio/flockfile.c
@@ -0,0 +1,32 @@
+/* flockfile(FILE * )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdio.h>
+#include <stdarg.h>
+
+#ifndef REGTEST
+#include <threads.h>
+#include <stdlib.h>
+
+void flockfile( FILE * file )
+{
+    if( mtx_lock( &file->lock ) != thrd_success ) {
+        abort();
+    }
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    // Not tested here - tested by other stdio test drivers
+    return TEST_RESULTS;
+}
+
+#endif