1 | #ifndef _SYS_WAIT_H |
---|
2 | #define _SYS_WAIT_H |
---|
3 | |
---|
4 | #include <sys/cdefs.h> |
---|
5 | #include <sys/resource.h> |
---|
6 | |
---|
7 | __BEGIN_DECLS |
---|
8 | |
---|
9 | #define WNOHANG 0x00000001 |
---|
10 | #define WUNTRACED 0x00000002 |
---|
11 | |
---|
12 | #define __WNOTHREAD 0x20000000 /* Don't wait on children of other threads in this group */ |
---|
13 | #define __WALL 0x40000000 /* Wait on all children, regardless of type */ |
---|
14 | #define __WCLONE 0x80000000 /* Wait only on non-SIGCHLD children */ |
---|
15 | |
---|
16 | /* If WIFEXITED(STATUS), the low-order 8 bits of the status. */ |
---|
17 | #define __WEXITSTATUS(status) (((status) & 0xff00) >> 8) |
---|
18 | #define WEXITSTATUS __WEXITSTATUS |
---|
19 | |
---|
20 | /* If WIFSIGNALED(STATUS), the terminating signal. */ |
---|
21 | #define __WTERMSIG(status) ((status) & 0x7f) |
---|
22 | #define WTERMSIG __WTERMSIG |
---|
23 | |
---|
24 | /* If WIFSTOPPED(STATUS), the signal that stopped the child. */ |
---|
25 | #define __WSTOPSIG(status) __WEXITSTATUS(status) |
---|
26 | #define WSTOPSIG __WSTOPSIG |
---|
27 | |
---|
28 | /* Nonzero if STATUS indicates normal termination. */ |
---|
29 | #define WIFEXITED(status) (__WTERMSIG(status) == 0) |
---|
30 | |
---|
31 | /* Nonzero if STATUS indicates termination by a signal. */ |
---|
32 | #define WIFSIGNALED(status) (!WIFSTOPPED(status) && !WIFEXITED(status)) |
---|
33 | |
---|
34 | /* Nonzero if STATUS indicates the child is stopped. */ |
---|
35 | #define WIFSTOPPED(status) (((status) & 0xff) == 0x7f) |
---|
36 | |
---|
37 | /* Nonzero if STATUS indicates the child dumped core. */ |
---|
38 | #define WCOREDUMP(status) ((status) & 0x80) |
---|
39 | |
---|
40 | #ifdef _BSD_SOURCE |
---|
41 | #define W_STOPCODE(sig) ((sig) << 8 | 0x7f) |
---|
42 | #endif |
---|
43 | |
---|
44 | pid_t wait(int *status) __THROW; |
---|
45 | pid_t waitpid(pid_t pid, int *status, int options) __THROW; |
---|
46 | |
---|
47 | pid_t wait3(int *status, int options, struct rusage *rusage) __THROW; |
---|
48 | |
---|
49 | pid_t wait4(pid_t pid, int *status, int options, struct rusage *rusage) __THROW; |
---|
50 | |
---|
51 | typedef enum { |
---|
52 | P_ALL, /* Wait for any child. */ |
---|
53 | P_PID, /* Wait for specified process. */ |
---|
54 | P_PGID /* Wait for members of process group. */ |
---|
55 | } idtype_t; |
---|
56 | |
---|
57 | //int waitid(idtype_t idtype, id_t id, siginfo_t *infop, int options); |
---|
58 | |
---|
59 | __END_DECLS |
---|
60 | |
---|
61 | #endif |
---|