/* $Id$ */
-/* gras/sysdep.h -- all system dependency */
+/* sysdep.c -- all system dependency */
/* no system header should be loaded out of this file so that we have only */
/* one file to check when porting to another OS */
-/* Authors: Martin Quinson */
-/* Copyright (C) 2004 the OURAGAN project. */
+/* Copyright (c) 2004 Martin Quinson. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
-#include "gras_private.h"
+#include "xbt/sysdep.h"
+#include "xbt/log.h"
+#include "xbt/error.h"
+#include "portable.h"
-#include <stdlib.h>
+/* \defgroup XBT_sysdep All system dependency
+ * \brief This section describes many macros/functions that can serve as
+ * an OS abstraction.
+ */
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(sysdep, gros, "System dependency");
+double xbt_os_time(void) {
+#ifdef HAVE_GETTIMEOFDAY
+ struct timeval tv;
-/****
- **** Memory management
- ****/
+ gettimeofday(&tv, NULL);
-void* gras_malloc (long int bytes) {
- void *ptr = (bytes == 0 ? NULL : (void*) malloc ((size_t) bytes));
- gras_assert1(ptr, "Malloc of %ld bytes failed",bytes);
- return ptr;
-}
-void* gras_malloc0 (long int bytes) {
- void *ptr = (bytes == 0 ? NULL : (void*) calloc ((size_t) bytes, 1));
- gras_assert1(ptr, "Malloc of %ld bytes failed",bytes);
- return ptr;
-}
-
-void* gras_realloc (void *memory, long int bytes) {
- if (bytes == 0) {
- gras_free(memory);
- return NULL;
- } else {
- void *ptr = (void*) realloc (memory, (size_t) bytes);
- gras_assert1(ptr, "Realloc of %ld bytes failed",bytes);
- return ptr;
- }
-}
-char* gras_strdup (const char* str) {
- char *ret = (char*)strdup(str);
- gras_assert0(ret, "String duplication failed");
- return ret;
+ return (double)(tv.tv_sec + tv.tv_usec / 1000000.0);
+#else
+ /* Poor resolution */
+ return (double)(time(NULL));
+#endif /* HAVE_GETTIMEOFDAY? */
}
-void gras_free (void *memory) {
- if (memory)
- free (memory);
-}
-/****
- **** Misc
- ****/
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sysdep, xbt, "System dependency");
-void gras_abort(void) {
- abort();
-}
