xnu-2422.115.4.tar.gz

[apple/xnu.git] / bsd / sys / time.h

diff --git a/bsd/sys/time.h b/bsd/sys/time.h
index 49bdecbbc5abeac6fb26ffdc215b8aece530e496..fdf7776170a0fde389d0f78973b64e209eced8bc 100644 (file)
--- a/bsd/sys/time.h
+++ b/bsd/sys/time.h
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * 

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.

  * 
  * 

- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*


@@ -58,28 +64,68 @@
 #ifndef _SYS_TIME_H_
 #define _SYS_TIME_H_
 
 #ifndef _SYS_TIME_H_
 #define _SYS_TIME_H_
 

-#include <sys/appleapiopts.h>
-#include <sys/types.h>
+#include <sys/cdefs.h>
+#include <sys/_types.h>
+#ifdef KERNEL
+#include <machine/types.h>     /* user_time_t */
+#include <stdint.h>            /* uint64_t */
+#else /* !KERNEL */
+#include <Availability.h>
+#endif /* KERNEL */

 
 /*
 
 /*

- * Structure returned by gettimeofday(2) system call,
- * and used in other calls.
+ * [XSI] The fd_set type shall be defined as described in <sys/select.h>.
+ * The timespec structure shall be defined as described in <time.h>

  */
  */

-struct timeval {
-       int32_t tv_sec;         /* seconds */
-       int32_t tv_usec;        /* and microseconds */
-};
+#include <sys/_types/_fd_def.h>
+#include <sys/_types/_timespec.h>
+#include <sys/_types/_timeval.h>
+#ifdef KERNEL
+#include <sys/_types/_user_timespec.h>
+#include <sys/_types/_user32_timespec.h>
+#include <sys/_types/_user64_timespec.h>
+#include <sys/_types/_user_timeval.h>
+#include <sys/_types/_user32_timeval.h>
+#include <sys/_types/_user64_timeval.h>
+#include <sys/_types/_user32_itimerval.h>
+#include <sys/_types/_user64_itimerval.h>
+#endif /* KERNEL */
+
+#include <sys/_types/_time_t.h>
+#include <sys/_types/_suseconds_t.h>

 
 /*
 
 /*

- * Structure defined by POSIX.4 to be like a timeval.
+ * Structure used as a parameter by getitimer(2) and setitimer(2) system
+ * calls.

  */
  */

-#ifndef _TIMESPEC_DECLARED
-#define _TIMESPEC_DECLARED
-struct timespec {
-       time_t  tv_sec;         /* seconds */
-       int32_t tv_nsec;        /* and nanoseconds */
+struct itimerval {
+       struct  timeval it_interval;    /* timer interval */
+       struct  timeval it_value;       /* current value */

 };
 };

-#endif
+
+/*
+ * Names of the interval timers, and structure
+ * defining a timer setting.
+ */
+#define        ITIMER_REAL     0
+#define        ITIMER_VIRTUAL  1
+#define        ITIMER_PROF     2
+
+/*
+ * Select uses bit masks of file descriptors in longs.  These macros
+ * manipulate such bit fields (the filesystem macros use chars).  The
+ * extra protection here is to permit application redefinition above
+ * the default size.
+ */
+#include <sys/_types/_fd_setsize.h>
+#include <sys/_types/_fd_set.h>
+#include <sys/_types/_fd_clr.h>
+#include <sys/_types/_fd_isset.h>
+#include <sys/_types/_fd_zero.h>
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+
+#include <sys/_types/_fd_copy.h>

 
 #define        TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
        (ts)->tv_sec = (tv)->tv_sec;                                    \
 
 #define        TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
        (ts)->tv_sec = (tv)->tv_sec;                                    \


@@ -102,8 +148,6 @@ struct timezone {
 #define        DST_EET         5       /* Eastern European dst */
 #define        DST_CAN         6       /* Canada */
 
 #define        DST_EET         5       /* Eastern European dst */
 #define        DST_CAN         6       /* Canada */
 

-#define time_second time.tv_sec
-

 /* Operations on timevals. */
 #define        timerclear(tvp)         (tvp)->tv_sec = (tvp)->tv_usec = 0
 #define        timerisset(tvp)         ((tvp)->tv_sec || (tvp)->tv_usec)
 /* Operations on timevals. */
 #define        timerclear(tvp)         (tvp)->tv_sec = (tvp)->tv_usec = 0
 #define        timerisset(tvp)         ((tvp)->tv_sec || (tvp)->tv_usec)


@@ -132,19 +176,6 @@ struct timezone {
 
 #define timevalcmp(l, r, cmp)   timercmp(l, r, cmp) /* freebsd */
 
 
 #define timevalcmp(l, r, cmp)   timercmp(l, r, cmp) /* freebsd */
 

-/*
- * Names of the interval timers, and structure
- * defining a timer setting.
- */
-#define        ITIMER_REAL     0
-#define        ITIMER_VIRTUAL  1
-#define        ITIMER_PROF     2
-
-struct itimerval {
-       struct  timeval it_interval;    /* timer interval */
-       struct  timeval it_value;       /* current value */
-};
-

 /*
  * Getkerninfo clock information structure
  */
 /*
  * Getkerninfo clock information structure
  */


@@ -155,39 +186,60 @@ struct clockinfo {
        int     stathz;         /* statistics clock frequency */
        int     profhz;         /* profiling clock frequency */
 };
        int     stathz;         /* statistics clock frequency */
        int     profhz;         /* profiling clock frequency */
 };

-
-#include <sys/cdefs.h>
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 #ifdef KERNEL
 
 #ifdef KERNEL

-void   microtime __P((struct timeval *tv));
-void   microuptime __P((struct timeval *tv));
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+__BEGIN_DECLS
+void   microtime(struct timeval *tv);
+void   microtime_with_abstime(struct timeval *tv, uint64_t *abstime);
+void   microuptime(struct timeval *tv);

 #define getmicrotime(a)                microtime(a)
 #define getmicrouptime(a)      microuptime(a)
 #define getmicrotime(a)                microtime(a)
 #define getmicrouptime(a)      microuptime(a)

-void   nanotime __P((struct timespec *ts));
-void   nanouptime __P((struct timespec *ts));
+void   nanotime(struct timespec *ts);
+void   nanouptime(struct timespec *ts);

 #define getnanotime(a)         nanotime(a)
 #define getnanouptime(a)       nanouptime(a)
 #define getnanotime(a)         nanotime(a)
 #define getnanouptime(a)       nanouptime(a)

-#ifdef __APPLE_API_PRIVATE
-int    itimerfix __P((struct timeval *tv));
-int    itimerdecr __P((struct itimerval *itp, int usec));
-#endif /* __APPLE_API_PRIVATE */
+void   timevaladd(struct timeval *t1, struct timeval *t2);
+void   timevalsub(struct timeval *t1, struct timeval *t2);
+void   timevalfix(struct timeval *t1);
+#ifdef BSD_KERNEL_PRIVATE
+time_t boottime_sec(void);
+void   inittodr(time_t base);
+int    ratecheck(struct timeval *lasttime, const struct timeval *mininterval);
+int    ppsratecheck(struct timeval *lasttime, int *curpps, int maxpps);
+#endif /* BSD_KERNEL_PRIVATE */
+
+__END_DECLS
+
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 #else /* !KERNEL */
 
 #else /* !KERNEL */

-#include <time.h>

 
 

-#ifndef _POSIX_SOURCE
-#include <sys/cdefs.h>
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#include <time.h>
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 __BEGIN_DECLS
 
 __BEGIN_DECLS

-int    adjtime __P((const struct timeval *, struct timeval *));
-int    futimes __P((int, const struct timeval *));
-int    getitimer __P((int, struct itimerval *));
-int    gettimeofday __P((struct timeval *, struct timezone *));
-int    setitimer __P((int, const struct itimerval *, struct itimerval *));
-int    settimeofday __P((const struct timeval *, const struct timezone *));
-int    utimes __P((const char *, const struct timeval *));
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+int    adjtime(const struct timeval *, struct timeval *);
+int    futimes(int, const struct timeval *);
+int    lutimes(const char *, const struct timeval *) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    settimeofday(const struct timeval *, const struct timezone *);
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+
+int    getitimer(int, struct itimerval *);
+int    gettimeofday(struct timeval * __restrict, void * __restrict);
+
+#include <sys/_select.h>       /* select() prototype */
+
+int    setitimer(int, const struct itimerval * __restrict,
+               struct itimerval * __restrict);
+int    utimes(const char *, const struct timeval *);
+

 __END_DECLS
 __END_DECLS

-#endif /* !POSIX */

 
 #endif /* !KERNEL */
 
 
 #endif /* !KERNEL */