github.com/afumu/libc@v0.0.6/musl/include/sys/wait.h (about)

     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)*0x10001)>>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