replacement implementation for clock_gettime() on mac os x, build portability (resolving mac os x issues), code cleanup, fix compiler warnings

1 files changed, 55 insertions, 0 deletions

diff --git a/src/lib/clock_gettime.h b/src/lib/clock_gettime.h
new file mode 100644
index 000000000..aac80dadf
--- /dev/null
+++ b/src/lib/clock_gettime.h
@@ -0,0 +1,55 @@
+/*********************                                                        */
+/*! \file clock_gettime.h
+ ** \verbatim
+ ** Original author: 
+ ** Major contributors: none
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 prototype.
+ ** Copyright (c) 2009, 2010  The Analysis of Computer Systems Group (ACSys)
+ ** Courant Institute of Mathematical Sciences
+ ** New York University
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief Replacement for clock_gettime() for systems without it (like Mac OS X)
+ **
+ ** Replacement for clock_gettime() for systems without it (like Mac OS X).
+ **/
+
+#ifndef __CVC4__LIB__CLOCK_GETTIME_H
+#define __CVC4__LIB__CLOCK_GETTIME_H
+
+#include "lib/replacements.h"
+
+#ifdef HAVE_CLOCK_GETTIME
+
+/* it should be available from <time.h> */
+#include <time.h>
+
+#else /* HAVE_CLOCK_GETTIME */
+
+/* otherwise, we have to define it */
+
+/* get timespec from <time.h> */
+#include <time.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+typedef enum {
+  CLOCK_REALTIME,
+  CLOCK_MONOTONIC,
+  CLOCK_REALTIME_HR,
+  CLOCK_MONOTONIC_HR
+} clockid_t;
+
+long clock_gettime(clockid_t which_clock, struct timespec *tp);
+
+#ifdef __cplusplus
+}/* extern "C" */
+#endif /* __cplusplus */
+
+#endif /* HAVE_CLOCK_GETTIME */
+#endif /*__CVC4__LIB__CLOCK_GETTIME_H */
+