support/sys-time.c

   1 /*
   2  * <sys/stat.h> wrapper functions.
   3  *
   4  * Authors:
   5  *   Jonathan Pryor (jonpryor@vt.edu)
   6  *
   7  * Copyright (C) 2004 Jonathan Pryor
   8  */
   9
  10 #include <sys/types.h>
  11 #include <sys/time.h>
  12 #include <string.h>
  13
  14 #include "map.h"
  15 #include "mph.h"
  16
  17 G_BEGIN_DECLS
  18
  19 struct Mono_Posix_Syscall_Timeval {
  20         /* time_t */      mph_time_t  tv_sec;   /* seconds */
  21         /* suseconds_t */ gint64      tv_usec;  /* microseconds */
  22 };
  23
  24 struct Mono_Posix_Syscall_Timezone {
  25         int tz_minuteswest;  /* minutes W of Greenwich */
  26         int tz_dsttime;      /* ignored */
  27 };
  28
  29 gint32
  30 Mono_Posix_Syscall_gettimeofday (
  31         struct Mono_Posix_Syscall_Timeval *tv,
  32         struct Mono_Posix_Syscall_Timezone *tz)
  33 {
  34         struct timeval _tv;
  35         struct timezone _tz;
  36         int r;
  37
  38         r = gettimeofday (&_tv, &_tz);
  39
  40         if (r == 0) {
  41                 if (tv) {
  42                         tv->tv_sec  = _tv.tv_sec;
  43                         tv->tv_usec = _tv.tv_usec;
  44                 }
  45                 if (tz) {
  46                         tz->tz_minuteswest = _tz.tz_minuteswest;
  47                         tz->tz_dsttime     = 0;
  48                 }
  49         }
  50
  51         return r;
  52 }
  53
  54 gint32
  55 Mono_Posix_Syscall_settimeofday (
  56         const struct Mono_Posix_Syscall_Timeval *tv,
  57         const struct Mono_Posix_Syscall_Timezone *tz)
  58 {
  59         struct timeval _tv   = {0};
  60         struct timeval *ptv  = NULL;
  61         struct timezone _tz  = {0};
  62         struct timezone *ptz = NULL;
  63         int r;
  64
  65         if (tv) {
  66                 _tv.tv_sec  = tv->tv_sec;
  67                 _tv.tv_usec = tv->tv_usec;
  68                 ptv = &_tv;
  69         }
  70         if (tz) {
  71                 _tz.tz_minuteswest = tz->tz_minuteswest;
  72                 _tz.tz_dsttime = 0;
  73                 ptz = &_tz;
  74         }
  75
  76         r = settimeofday (ptv, ptz);
  77
  78         return r;
  79 }
  80
  81 gint32
  82 Mono_Posix_Syscall_utimes (const char *filename,
  83         struct Mono_Posix_Syscall_Timeval *tv)
  84 {
  85         struct timeval _tv;
  86         struct timeval *ptv = NULL;
  87
  88         if (tv) {
  89                 _tv.tv_sec  = tv->tv_sec;
  90                 _tv.tv_usec = tv->tv_usec;
  91                 ptv = &_tv;
  92         }
  93
  94         return utimes (filename, ptv);
  95 }
  96
  97 G_END_DECLS
  98
  99 /*
 100  * vim: noexpandtab
 101  */