haiku/headers/posix/sys/wait.h

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/*
* Copyright 2004-2010 Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _SYS_WAIT_H
#define _SYS_WAIT_H
#include <sys/types.h>
#include <signal.h>
/* waitpid()/waitid() options */
#define WNOHANG 0x01
#define WUNTRACED 0x02
#define WCONTINUED 0x04
#define WEXITED 0x08
#define WSTOPPED 0x10
#define WNOWAIT 0x20
/* macros to interprete wait()/waitpid() status */
#define WIFEXITED(value) (((value) & ~0xff) == 0)
#define WEXITSTATUS(value) ((value) & 0xff)
#define WIFSIGNALED(value) ((((value) >> 8) & 0xff) != 0)
#define WTERMSIG(value) (((value) >> 8) & 0xff)
#define WIFSTOPPED(value) ((((value) >> 16) & 0xff) != 0)
#define WSTOPSIG(value) (((value) >> 16) & 0xff)
#define WIFCORED(value) ((value) & 0x10000)
#define WIFCONTINUED(value) ((value) & 0x20000)
/* TODO: waitid() is part of the real-time signal extension. Uncomment when
* implemented! */
#if 0
/* ID types for waitid() */
typedef enum {
P_ALL, /* wait for any children, ignore ID */
P_PID, /* wait for the child whose process ID matches */
P_PGID /* wait for any child whose process group ID matches */
} idtype_t;
#endif /* 0 */
#ifdef __cplusplus
extern "C" {
#endif
extern pid_t wait(int *_status);
extern pid_t waitpid(pid_t pid, int *_status, int options);
/* extern int waitid(idtype_t idType, id_t id, siginfo_t *info, int options); */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_WAIT_H */