src/build/libroot/misc.cpp

   1
   2 #include <BeOSBuildCompatibility.h>
   3
   4 #include <errno.h>
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <unistd.h>
   8 #include <sys/stat.h>
   9 #include <sys/time.h>
  10
  11 #include <Debug.h>
  12 #include <image.h>
  13 #include <OS.h>
  14
  15 mode_t __gUmask = 022;
  16
  17 // debugger
  18 void
  19 debugger(const char *message)
  20 {
  21         fprintf(stderr, "debugger() called: %s\n", message);
  22         exit(1);
  23 }
  24
  25 // _debuggerAssert
  26 int
  27 _debuggerAssert(const char *file, int line, const char *expression)
  28 {
  29         char buffer[2048];
  30         snprintf(buffer, sizeof(buffer), "%s:%d: %s\n", file, line, expression);
  31         debugger(buffer);
  32         return 0;
  33 }
  34
  35 // system_time
  36 bigtime_t
  37 system_time(void)
  38 {
  39         struct timeval tm;
  40         gettimeofday(&tm, NULL);
  41         return (int64)tm.tv_sec * 1000000LL + (int64)tm.tv_usec;
  42 }
  43
  44 // snooze
  45 status_t
  46 snooze(bigtime_t amount)
  47 {
  48         if (amount <= 0)
  49                 return B_OK;
  50
  51         int64 secs = amount / 1000000LL;
  52         int64 usecs = amount % 1000000LL;
  53         if (secs > 0) {
  54                 if (sleep((unsigned)secs) < 0)
  55                         return errno;
  56         }
  57
  58         if (usecs > 0) {
  59                 if (usleep((useconds_t)usecs) < 0)
  60                         return errno;
  61         }
  62
  63         return B_OK;
  64 }
  65
  66 // snooze_until
  67 status_t
  68 snooze_until(bigtime_t time, int timeBase)
  69 {
  70         return snooze(time - system_time());
  71 }