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/* This file is part of the KDE project
Copyright (C) 2003-2004 Jaroslaw Staniek <js@iidea.pl>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _SYS_WAIT_H
#define _SYS_WAIT_H
#include <sys/types.h>
#include <sys/resource.h>
#ifdef __cplusplus
extern "C" {
#endif
#define WNOHANG 1
#define WUNTRACED 2
/* A status looks like:
<2 bytes info> <2 bytes code>
<code> == 0, child has exited, info is the exit value
<code> == 1..7e, child has exited, info is the signal number.
<code> == 7f, child has stopped, info was the signal number.
<code> == 80, there was a core dump.
*/
#define WIFEXITED(w) (((w) & 0xff) == 0)
#define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))
#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
#define WTERMSIG(w) ((w) & 0x7f)
#define WSTOPSIG WEXITSTATUS
pid_t wait (int *);
pid_t waitpid (pid_t, int *, int);
pid_t wait3 (int *__status, int __options, struct rusage *__rusage);
pid_t wait4 (pid_t __pid, int *__status, int __options, struct rusage *__rusage);
union wait
{
int w_status;
struct
{
unsigned int __w_termsig:7; /* Terminating signal. */
unsigned int __w_coredump:1; /* Set if dumped core. */
unsigned int __w_retcode:8; /* Return code if exited normally. */
unsigned int:16;
} __wait_terminated;
struct
{
unsigned int __w_stopval:8; /* W_STOPPED if stopped. */
unsigned int __w_stopsig:8; /* Stopping signal. */
unsigned int:16;
} __wait_stopped;
};
#define w_termsig __wait_terminated.__w_termsig
#define w_coredump __wait_terminated.__w_coredump
#define w_retcode __wait_terminated.__w_retcode
#define w_stopsig __wait_stopped.__w_stopsig
#define w_stopval __wait_stopped.__w_stopval
#ifdef __cplusplus
};
#endif
#endif
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