52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* Copyright 2004-2011, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SYS_WAIT_H
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#define _SYS_WAIT_H
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#include <sys/types.h>
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#include <signal.h>
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/* waitpid()/waitid() options */
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#define WNOHANG 0x01
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#define WUNTRACED 0x02
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#define WCONTINUED 0x04
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#define WEXITED 0x08
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#define WSTOPPED 0x10
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#define WNOWAIT 0x20
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/* macros to interprete wait()/waitpid() status */
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#define WIFEXITED(value) (((value) & ~0xff) == 0)
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#define WEXITSTATUS(value) ((value) & 0xff)
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#define WIFSIGNALED(value) ((((value) >> 8) & 0xff) != 0)
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#define WTERMSIG(value) (((value) >> 8) & 0xff)
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#define WIFSTOPPED(value) ((((value) >> 16) & 0xff) != 0)
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#define WSTOPSIG(value) (((value) >> 16) & 0xff)
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#define WIFCORED(value) ((value) & 0x10000)
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#define WIFCONTINUED(value) ((value) & 0x20000)
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/* ID types for waitid() */
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typedef enum {
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P_ALL, /* wait for any children, ignore ID */
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P_PID, /* wait for the child whose process ID matches */
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P_PGID /* wait for any child whose process group ID matches */
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} idtype_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern pid_t wait(int *_status);
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extern pid_t waitpid(pid_t pid, int *_status, int options);
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extern int waitid(idtype_t idType, id_t id, siginfo_t *info, int options);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_WAIT_H */
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