/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#ifndef _SYS_TIME_H_
#define _SYS_TIME_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
+
-#define getmicrouptime(a) microtime(a)
-#define getmicrotime(a) microtime(a)
/*
* Structure returned by gettimeofday(2) system call,
* and used in other calls.
*/
+#ifndef _TIMEVAL
+#define _TIMEVAL
struct timeval {
- int32_t tv_sec; /* seconds */
- int32_t tv_usec; /* and microseconds */
+ time_t tv_sec; /* seconds */
+ suseconds_t tv_usec; /* and microseconds */
};
+#endif /* _TIMEVAL */
+/*
+ * Structure used as a parameter by getitimer(2) and setitimer(2) system
+ * calls.
+ */
+struct itimerval {
+ struct timeval it_interval; /* timer interval */
+ struct timeval it_value; /* current value */
+};
+
+/*
+ * Names of the interval timers, and structure
+ * defining a timer setting.
+ */
+#define ITIMER_REAL 0
+#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.
+ */
+#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
+
+struct user_timeval {
+ user_time_t tv_sec; /* seconds */
+ suseconds_t tv_usec; /* and microseconds */
+};
+
+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
+
#define TIMEVAL_TO_TIMESPEC(tv, ts) { \
(ts)->tv_sec = (tv)->tv_sec; \
(ts)->tv_nsec = (tv)->tv_usec * 1000; \
#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)
} \
} 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
int stathz; /* statistics clock frequency */
int profhz; /* profiling clock frequency */
};
+#endif /* ! _POSIX_C_SOURCE */
-#include <sys/cdefs.h>
#ifdef KERNEL
-int itimerfix __P((struct timeval *tv));
-int itimerdecr __P((struct itimerval *itp, int usec));
-void microtime __P((struct timeval *tv));
+
+#ifndef _POSIX_C_SOURCE
+__BEGIN_DECLS
+void microtime(struct timeval *tv);
+void microuptime(struct timeval *tv);
+#define getmicrotime(a) microtime(a)
+#define getmicrouptime(a) microuptime(a)
+void nanotime(struct timespec *ts);
+void nanouptime(struct timespec *ts);
+#define getnanotime(a) nanotime(a)
+#define getnanouptime(a) nanouptime(a)
+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 itimerfix(struct timeval *tv);
+int itimerdecr(struct itimerval *itp, int usec);
+#endif /* BSD_KERNEL_PRIVATE */
+
+__END_DECLS
+
+#endif /* ! _POSIX_C_SOURCE */
+
#else /* !KERNEL */
+
+__BEGIN_DECLS
+
+#ifndef _POSIX_C_SOURCE
#include <time.h>
-#ifndef _POSIX_SOURCE
-#include <sys/cdefs.h>
+int adjtime(const struct timeval *, struct timeval *);
+int futimes(int, const struct timeval *);
+int settimeofday(const struct timeval *, const struct timezone *);
+#endif /* ! _POSIX_C_SOURCE */
+
+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 setitimer(int, const struct itimerval * __restrict,
+ struct itimerval * __restrict);
+int utimes(const char *, const struct timeval *);
-__BEGIN_DECLS
-int adjtime __P((const struct timeval *, 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 *));
__END_DECLS
-#endif /* !POSIX */
#endif /* !KERNEL */
projects / apple / xnu.git / blobdiff