1 /*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28 #ifndef _SYS_WAIT_H_
29 #define _SYS_WAIT_H_
30
31 #include <sys/cdefs.h>
32 #include <sys/types.h>
33 #include <sys/resource.h>
34 #include <linux/wait.h>
35 #include <signal.h>
36 #include <asm/unistd.h>
37 #include <sys/syscall.h>
38
39
40 __BEGIN_DECLS
41
42 #define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
43 #define WCOREDUMP(s) ((s) & 0x80)
44 #define WTERMSIG(s) ((s) & 0x7f)
45 #define WSTOPSIG(s) WEXITSTATUS(s)
46
47 #define WIFEXITED(s) (WTERMSIG(s) == 0)
48 #define WIFSTOPPED(s) (WTERMSIG(s) == 0x7f)
49 #define WIFSIGNALED(s) (WTERMSIG((s)+1) >= 2)
50
51 extern pid_t wait(int *);
52 extern pid_t waitpid(pid_t, int *, int);
53 extern pid_t wait3(int *, int, struct rusage *);
wait4(pid_t pid,int * status,int options,struct rusage * rusage)54 static __inline__ pid_t wait4(pid_t pid, int *status, int options, struct rusage *rusage)
55 {
56 return (pid_t)syscall(__NR_wait4, pid, status, options, rusage);
57 }
58
59 /* Posix states that idtype_t should be an enumeration type, but
60 * the kernel headers define P_ALL, P_PID and P_PGID as constant macros
61 * instead.
62 */
63 typedef int idtype_t;
64
65 extern int waitid(idtype_t which, id_t id, siginfo_t *info, int options);
66
67 __END_DECLS
68
69 #endif /* _SYS_WAIT_H_ */
70