src/libs/bsd/wait.c

   1 /*
   2  * Copyright 2009, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Bruno Albuquerque, bga@bug-br.org.br
   7  */
   8
   9 #include <OS.h>
  10
  11 #include <sys/resource.h>
  12 #include <sys/wait.h>
  13
  14
  15 extern pid_t _waitpid(pid_t pid, int* _status, int options,
  16                 team_usage_info *usage_info);
  17
  18
  19 pid_t
  20 wait3(int *status, int options, struct rusage *rusage)
  21 {
  22         return wait4(-1, status, options, rusage);
  23 }
  24
  25
  26 pid_t
  27 wait4(pid_t pid, int *status, int options, struct rusage *rusage)
  28 {
  29         team_usage_info info;
  30         pid_t waitPid = _waitpid(pid, status, options,
  31                 rusage != NULL ? &info : NULL);
  32         if (waitPid != -1 && rusage != NULL) {
  33                 rusage->ru_utime.tv_sec = info.user_time / 1000000;
  34                 rusage->ru_utime.tv_usec = info.user_time % 1000000;
  35
  36                 rusage->ru_stime.tv_sec = info.kernel_time / 1000000;
  37                 rusage->ru_stime.tv_usec = info.kernel_time % 1000000;
  38         }
  39
  40         return waitPid;
  41 }
  42