xnu-1228.15.4.tar.gz

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

diff --git a/bsd/sys/time.h b/bsd/sys/time.h
index cc790bf2386813a4ec5ba79a760111fbaa1f45e2..6f3d264cbba2912315c29396ba19eb1c32bb6273 100644 (file)
--- a/bsd/sys/time.h
+++ b/bsd/sys/time.h
@@ -1,16 +1,19 @@
 /*
 /*

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

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

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


@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
  * 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 */
 /*


@@ -61,28 +64,102 @@
 #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 */
+#endif /* KERNEL */
+
+/*
+ * [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>
+ */
+#define __need_fd_set
+#define __need_struct_timespec
+#define __need_struct_timeval
+#ifdef KERNEL
+#define __need_struct_user_timespec
+#endif /* KERNEL */
+#include <sys/_structs.h>
+
+#ifndef        _TIME_T
+#define        _TIME_T
+typedef        __darwin_time_t time_t;
+#endif
+
+#ifndef _SUSECONDS_T
+#define _SUSECONDS_T
+typedef __darwin_suseconds_t   suseconds_t;
+#endif

 
 /*
 
 /*

- * Structure returned by gettimeofday(2) system call,
- * and used in other calls.
+ * Structure used as a parameter by getitimer(2) and setitimer(2) system
+ * calls.

  */
  */

-struct timeval {
-       int32_t tv_sec;         /* seconds */
-       int32_t tv_usec;        /* and microseconds */
+struct itimerval {
+       struct  timeval it_interval;    /* timer interval */
+       struct  timeval it_value;       /* current value */

 };
 
 /*
 };
 
 /*

- * Structure defined by POSIX.4 to be like a timeval.
+ * 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.

  */
  */

-#ifndef _TIMESPEC_DECLARED
-#define _TIMESPEC_DECLARED
-struct timespec {
-       time_t  tv_sec;         /* seconds */
-       int32_t tv_nsec;        /* and nanoseconds */
+#ifndef        FD_SETSIZE
+#define        FD_SETSIZE      __DARWIN_FD_SETSIZE
+#endif /* FD_SETSIZE */
+#ifndef FD_SET
+#define        FD_SET(n, p)    __DARWIN_FD_SET(n, p)
+#endif /* FD_SET */
+#ifndef        FD_CLR
+#define        FD_CLR(n,p)     __DARWIN_FD_CLR(n, p)
+#endif /* FD_CLR */
+#ifndef FD_ISSET
+#define        FD_ISSET(n, p)  __DARWIN_FD_ISSET(n, p)
+#endif /* FD_ISSET */
+#ifndef FD_ZERO
+#define        FD_ZERO(p)      __DARWIN_FD_ZERO(p)
+#endif /* FD_ZERO */
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+
+#ifndef FD_COPY
+#define        FD_COPY(f, t)   __DARWIN_FD_COPY(f, t)
+#endif /* FD_COPY */
+
+#ifdef KERNEL
+#ifndef _USERTIMEVAL
+#define _USERTIMEVAL
+
+#include <machine/types.h>     /* user_time_t */
+/*
+ * LP64 version of struct timeval.  time_t is a long and must grow when 
+ * we're dealing with a 64-bit process.
+ * WARNING - keep in sync with struct timeval
+ */
+
+struct user_timeval {
+       user_time_t     tv_sec;         /* seconds */
+       suseconds_t     tv_usec __attribute((aligned(8)));      /* and microseconds */
+};     
+
+struct user_itimerval {
+       struct  user_timeval it_interval;       /* timer interval */
+       struct  user_timeval it_value;          /* current value */

 };
 };

-#endif
+
+#endif /* _USERTIMEVAL */
+#endif /* KERNEL */

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


@@ -105,8 +182,6 @@ 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)


@@ -133,18 +208,7 @@ struct timezone {
                }                                                       \
        } while (0)
 
                }                                                       \
        } while (0)
 

-/*
- * 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 */
-};
+#define timevalcmp(l, r, cmp)   timercmp(l, r, cmp) /* freebsd */

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


@@ -156,39 +220,57 @@ 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   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) __attribute__((section("__TEXT, initcode")));
+#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 *);
+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 */