POSIX interfacing time retrieval

[pdclib] / platform / example / functions / time / clock.c

diff --git a/platform/example/functions/time/clock.c b/platform/example/functions/time/clock.c
new file mode 100644 (file)
index 0000000..825e040
--- /dev/null
+++ b/platform/example/functions/time/clock.c
@@ -0,0 +1,35 @@
+/* clock( void )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <time.h>
+
+#ifndef REGTEST
+
+#include <sys/times.h>
+
+clock_t clock( void )
+{
+    struct tms buf;
+    if ( times( &buf ) != (clock_t)-1 )
+    {
+        return buf.tms_utime + buf.tms_stime;
+    }
+    return -1;
+}
+
+#endif
+
+#ifdef TEST
+
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    TESTCASE( NO_TESTDRIVER );
+    return TEST_RESULTS;
+}
+
+#endif