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 37 __BEGIN_DECLS 38 39 #define WEXITSTATUS(s) (((s) & 0xff00) >> 8) 40 #define WCOREDUMP(s) ((s) & 0x80) 41 #define WTERMSIG(s) ((s) & 0x7f) 42 #define WSTOPSIG(s) WEXITSTATUS(s) 43 44 #define WIFEXITED(s) (WTERMSIG(s) == 0) 45 #define WIFSTOPPED(s) (WTERMSIG(s) == 0x7f) 46 #define WIFSIGNALED(s) (WTERMSIG((s)+1) >= 2) 47 #define WIFCONTINUED(s) ((s) == 0xffff) 48 49 #define W_EXITCODE(ret, sig) ((ret) << 8 | (sig)) 50 #define W_STOPCODE(sig) ((sig) << 8 | 0x7f) 51 52 extern pid_t wait(int *); 53 extern pid_t waitpid(pid_t, int *, int); 54 extern pid_t wait4(pid_t, int *, int, struct rusage *); 55 56 /* Posix states that idtype_t should be an enumeration type, but 57 * the kernel headers define P_ALL, P_PID and P_PGID as constant macros 58 * instead. 59 */ 60 typedef int idtype_t; 61 62 extern int waitid(idtype_t which, id_t id, siginfo_t *info, int options); 63 64 __END_DECLS 65 66 #endif /* _SYS_WAIT_H_ */ 67