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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <signal.h>
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
#define WEXITSTATUS(status) (((status)&0xff00) >> 8)
#define WSTOPSIG(status) WEXITSTATUS(status)
#define WTERMSIG(status) ((status)&0x7f)
#define WIFEXITED(status) (WTERMSIG(status) == 0)
#define WIFSTOPPED(status) (((status)&0xff) == 0x7f)
#define WIFSIGNALED(status) (((char)(((status)&0x7f) + 1) >> 1) > 0)
#define WNOHANG 1
#define WUNTRACED 2
#define WSTOPPED WUNTRACED
#define WEXITED 4
#define WCONTINUED 8
typedef enum {
P_ALL = 1,
P_PID,
P_PGID
} idtype_t;
pid_t waitpid(pid_t, int* wstatus, int options);
pid_t wait(int* wstatus);
int waitid(idtype_t idtype, id_t id, siginfo_t* infop, int options);
__END_DECLS
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