blob: 35632231e5490308a23a601fc8c3f8d412a267c5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*++
Copyright (c) 1989-1996 Microsoft Corporation
Module Name:
wait.h
Abstract:
This module contains the symbolic constants, macros, and structures needed to
support wait, waitpid, and _exit in in IEEE P1003.1/Draft 13.
--*/
#ifndef _SYS_WAIT_
#define _SYS_WAIT_
#ifdef __cplusplus
extern "C" {
#endif
/*
* wait options
*/
#define WNOHANG 0x00000001
#define WUNTRACED 0x00000002
/*
* Structure of wait status value
*
* Bit 32 - 0 if process terminated normally
* 1 if process was signaled
* Bit 31 - 0 if process is not stopped
* 1 if process is stopped
* Bits 0-7 exit status or signal number
*/
/*
* Evaluate to non-zero if process terminated normally (by calling _exit)
*/
#define WIFEXITED(stat_val) \
(((stat_val) & 0xff) == 0)
/*
* Returns the low-order 8 bits of the status argument passed to _exit
*/
#define WEXITSTATUS(stat_val) \
(((stat_val) & 0xff00) >> 8)
/*
* Evaluate to non-zero if process terminated due to receipt of a signal
* that was not caught
*/
#define WIFSIGNALED(stat_val) \
(!WIFSTOPPED(stat_val) && !WIFEXITED(stat_val))
/*
* Returns the signal number of the signal that caused the process to terminate
*/
#define WTERMSIG(stat_val) \
((stat_val) & 0xff)
/*
* Evaluate to non-zero if process is currently stopped
*/
#define WIFSTOPPED(stat_val) \
(((stat_val) & 0xff) == 0177)
/*
* Returns the signal number of the signal that caused the process to stop
*/
#define WSTOPSIG(stat_val) \
(((stat_val) & 0xff00) >> 8)
pid_t _CRTAPI1 wait(int *);
pid_t _CRTAPI1 waitpid(pid_t, int *, int);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_WAIT_ */
|
