X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/734aad71947a79037af64f74c683f5eb36fe6065..7b00c0c43f52e9d27168e67a26aac19065cdb40c:/sys/gettimeofday.c

diff --git a/sys/gettimeofday.c b/sys/gettimeofday.c
index eb5bca7..56d9312 100644
--- a/sys/gettimeofday.c
+++ b/sys/gettimeofday.c
@@ -1,10 +1,8 @@
 /*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2005 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -32,61 +30,45 @@
 #include <tzfile.h>
 #include <sys/time.h>
 #include <errno.h>
-#include <sys/syscall.h>
 #include <unistd.h>
 
 #define	__APPLE_API_PRIVATE
 #include <machine/cpu_capabilities.h>
 #undef	__APPLE_API_PRIVATE
 
-#ifdef __ppc__
-#define	expand(arg)	strgfy(arg)
-#define	strgfy(arg)	#arg
+extern int __gettimeofday(struct timeval *, struct timezone *);
+extern int __commpage_gettimeofday(struct timeval *);
 
-static __attribute__ ((noinline))
-int	commpage_gettimeofday(struct timeval *tp)
+int gettimeofday (struct timeval *tp, void *vtzp)
 {
-    asm volatile("ba " expand(_COMM_PAGE_GETTIMEOFDAY) );
-    return 1;
-}
-#endif /* __ppc__ */
+	static int validtz = 0;
+	static struct timezone cached_tz = {0};
+	struct timezone *tzp = (struct timezone *)vtzp;
+	struct timeval atv;
 
-int gettimeofday (struct timeval *tp, struct timezone *tzp)
-{
-        static int validtz = 0;
-        static struct timezone cached_tz = {0};
-        struct timeval localtv;
-  
-        if (tp == NULL) {
-            tp = &localtv;
-        }
+	if (tp == NULL) {
+	    if (tzp == NULL)
+		return	(0);
+	    tp = &atv;
+	}
+
+	if (__commpage_gettimeofday(tp)) {		/* first try commpage */
+		if (__gettimeofday(tp, NULL) < 0) {	/* if it fails, use syscall */
+			return (-1);
+		}
+	}
 
-#ifdef __ppc__
-        {
-            extern int __ppc_gettimeofday(struct timeval *, struct timezone *);
-    
-            if (commpage_gettimeofday(tp)) {		/* first try commpage */
-                if (__ppc_gettimeofday(tp,tzp)) {	/* if it fails, use syscall */
-                    return (-1);
-                }
-            }
-        }
-#else
-        if (syscall (SYS_gettimeofday, tp, tzp) < 0) {
-                return (-1);
-        }
-#endif
-        if (tzp) {
-            if (validtz == 0)  {
-                struct tm *localtm = localtime ((time_t *)&tp->tv_sec);
-                cached_tz.tz_dsttime = localtm->tm_isdst;
-                cached_tz.tz_minuteswest =
-                    (-localtm->tm_gmtoff / SECSPERMIN) +
-                    (localtm->tm_isdst * MINSPERHOUR);
-                validtz = 1;
-            }
-            tzp->tz_dsttime = cached_tz.tz_dsttime;
-            tzp->tz_minuteswest = cached_tz.tz_minuteswest;
-        }
-        return (0);
+	if (tzp) {
+	    if (validtz == 0)  {
+		struct tm *localtm = localtime ((time_t *)&tp->tv_sec);
+		cached_tz.tz_dsttime = localtm->tm_isdst;
+		cached_tz.tz_minuteswest =
+		    (-localtm->tm_gmtoff / SECSPERMIN) +
+		    (localtm->tm_isdst * MINSPERHOUR);
+		validtz = 1;
+	    }
+	    tzp->tz_dsttime = cached_tz.tz_dsttime;
+	    tzp->tz_minuteswest = cached_tz.tz_minuteswest;
+	}
+	return (0);
 }