include/sys/wait.h

   1 #ifndef _SYS_WAIT_H
   2 #define _SYS_WAIT_H
   3 #ifdef __cplusplus
   4 extern "C" {
   5 #endif
   6
   7 #include <features.h>
   8
   9 #define __NEED_pid_t
  10 #define __NEED_id_t
  11 #include <bits/alltypes.h>
  12
  13 typedef enum {
  14         P_ALL = 0,
  15         P_PID = 1,
  16         P_PGID = 2,
  17         P_PIDFD = 3
  18 } idtype_t;
  19
  20 pid_t wait (int *);
  21 pid_t waitpid (pid_t, int *, int );
  22
  23 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  24  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  25  || defined(_BSD_SOURCE)
  26 #include <signal.h>
  27 int waitid (idtype_t, id_t, siginfo_t *, int);
  28 #endif
  29
  30 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  31 #include <sys/resource.h>
  32 pid_t wait3 (int *, int, struct rusage *);
  33 pid_t wait4 (pid_t, int *, int, struct rusage *);
  34 #endif
  35
  36 #define WNOHANG    1
  37 #define WUNTRACED  2
  38
  39 #define WSTOPPED   2
  40 #define WEXITED    4
  41 #define WCONTINUED 8
  42 #define WNOWAIT    0x1000000
  43
  44 #define __WNOTHREAD 0x20000000
  45 #define __WALL      0x40000000
  46 #define __WCLONE    0x80000000
  47
  48 #define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
  49 #define WTERMSIG(s) ((s) & 0x7f)
  50 #define WSTOPSIG(s) WEXITSTATUS(s)
  51 #define WCOREDUMP(s) ((s) & 0x80)
  52 #define WIFEXITED(s) (!WTERMSIG(s))
  53 #define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001U)>>8) > 0x7f00)
  54 #define WIFSIGNALED(s) (((s)&0xffff)-1U < 0xffu)
  55 #define WIFCONTINUED(s) ((s) == 0xffff)
  56
  57 #if _REDIR_TIME64
  58 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  59 __REDIR(wait3, __wait3_time64);
  60 __REDIR(wait4, __wait4_time64);
  61 #endif
  62 #endif
  63
  64 #ifdef __cplusplus
  65 }
  66 #endif
  67 #endif