xnu-2422.100.13.tar.gz

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

diff --git a/bsd/sys/time.h b/bsd/sys/time.h
index 42539d33aa05670a9cc387e7e1c5bc411d49f015..fdf7776170a0fde389d0f78973b64e209eced8bc 100644 (file)
--- a/bsd/sys/time.h
+++ b/bsd/sys/time.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -66,29 +66,33 @@
 
 #include <sys/cdefs.h>
 #include <sys/_types.h>
 
 #include <sys/cdefs.h>
 #include <sys/_types.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
-
+#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>

  */
  */

-#ifndef _TIMEVAL
-#define _TIMEVAL
-struct timeval {
-       time_t          tv_sec;         /* seconds */
-       suseconds_t     tv_usec;        /* and microseconds */
-};
-#endif /* _TIMEVAL */
+#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 used as a parameter by getitimer(2) and setitimer(2) system
 
 /*
  * Structure used as a parameter by getitimer(2) and setitimer(2) system


@@ -107,103 +111,21 @@ struct   itimerval {
 #define        ITIMER_VIRTUAL  1
 #define        ITIMER_PROF     2
 
 #define        ITIMER_VIRTUAL  1
 #define        ITIMER_PROF     2
 

-
-/*
- * [XSI] The fd_set type shall be defined as described in <sys/select.h>.
- *
- * Note:       We use _FD_SET to protect all select related
- *             types and macros
- */
-#ifndef _FD_SET
-#define        _FD_SET
-

 /*
  * 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.
  */
 /*
  * 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        FD_SETSIZE
-#define        FD_SETSIZE      1024
-#endif
-
-#define        __DARWIN_NBBY   8                               /* bits in a byte */
-#define __DARWIN_NFDBITS       (sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */
-#define        __DARWIN_howmany(x, y) (((x) + ((y) - 1)) / (y))        /* # y's == x bits? */
-
-__BEGIN_DECLS
-typedef        struct fd_set {
-       __int32_t       fds_bits[__DARWIN_howmany(FD_SETSIZE, __DARWIN_NFDBITS)];
-} fd_set;
-__END_DECLS
-
-#define        FD_SET(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] |= (1<<((n) % __DARWIN_NFDBITS)))
-#define        FD_CLR(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] &= ~(1<<((n) % __DARWIN_NFDBITS)))
-#define        FD_ISSET(n, p)  ((p)->fds_bits[(n)/__DARWIN_NFDBITS] & (1<<((n) % __DARWIN_NFDBITS)))
-#if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3
-/*
- * Use the built-in bzero function instead of the library version so that
- * we do not pollute the namespace or introduce prototype warnings.
- */
-#define        FD_ZERO(p)      __builtin_bzero(p, sizeof(*(p)))
-#else
-#define        FD_ZERO(p)      bzero(p, sizeof(*(p)))
-#endif
-#ifndef _POSIX_C_SOURCE
-#define        FD_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
-#endif /* !_POSIX_C_SOURCE */
-
-#endif /* !_FD_SET */
-
-
-#ifndef _POSIX_C_SOURCE
-/*
- * Structure defined by POSIX.4 to be like a timeval.
- */
-#ifndef _TIMESPEC
-#define _TIMESPEC
-struct timespec {
-       time_t  tv_sec;         /* seconds */
-       long    tv_nsec;        /* and nanoseconds */
-};
-
-#ifdef KERNEL
-// LP64todo - should this move?
-#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
- */
-#if __DARWIN_ALIGN_NATURAL
-#pragma options align=natural
-#endif
+#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>

 
 

-struct user_timeval {
-       user_time_t     tv_sec;         /* seconds */
-       suseconds_t     tv_usec;        /* and microseconds */
-};     
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)

 
 

-struct user_itimerval {
-       struct  user_timeval it_interval;       /* timer interval */
-       struct  user_timeval it_value;          /* current value */
-};
-
-/* LP64 version of struct timespec.  time_t is a long and must grow when 
- * we're dealing with a 64-bit process.
- * WARNING - keep in sync with struct timespec
- */
-struct user_timespec {
-       user_time_t     tv_sec;         /* seconds */
-       int32_t tv_nsec;        /* and nanoseconds */
-};
-
-#if __DARWIN_ALIGN_NATURAL
-#pragma options align=reset
-#endif
-
-#endif // KERNEL
-#endif
+#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;                                    \


@@ -264,14 +186,14 @@ struct clockinfo {
        int     stathz;         /* statistics clock frequency */
        int     profhz;         /* profiling clock frequency */
 };
        int     stathz;         /* statistics clock frequency */
        int     profhz;         /* profiling clock frequency */
 };

-#endif /* ! _POSIX_C_SOURCE */
-
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 #ifdef KERNEL
 
 
 #ifdef KERNEL
 

-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)

 __BEGIN_DECLS
 void   microtime(struct timeval *tv);
 __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)
 void   microuptime(struct timeval *tv);
 #define getmicrotime(a)                microtime(a)
 #define getmicrouptime(a)      microuptime(a)


@@ -285,30 +207,34 @@ void      timevalfix(struct timeval *t1);
 #ifdef BSD_KERNEL_PRIVATE
 time_t boottime_sec(void);
 void   inittodr(time_t base);
 #ifdef BSD_KERNEL_PRIVATE
 time_t boottime_sec(void);
 void   inittodr(time_t base);

-int    itimerfix(struct timeval *tv);
-int    itimerdecr(struct itimerval *itp, int usec);
+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 /* BSD_KERNEL_PRIVATE */
 
 __END_DECLS
 

-#endif /* ! _POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

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

-__BEGIN_DECLS
-
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)

 #include <time.h>
 #include <time.h>

+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+
+__BEGIN_DECLS

 
 

+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)

 int    adjtime(const struct timeval *, struct timeval *);
 int    futimes(int, const struct timeval *);
 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 *);
 int    settimeofday(const struct timeval *, const struct timezone *);

-#endif /* ! _POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 int    getitimer(int, struct itimerval *);
 
 int    getitimer(int, struct itimerval *);

-int    gettimeofday(struct timeval * __restrict, struct timezone * __restrict);
-int    select(int, fd_set * __restrict, fd_set * __restrict,
-               fd_set * __restrict, struct timeval * __restrict);
+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 *);
 int    setitimer(int, const struct itimerval * __restrict,
                struct itimerval * __restrict);
 int    utimes(const char *, const struct timeval *);