74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* wait.h - wait facility library header */
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/*
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* Copyright (c) 2003-2006, 2010 Wind River Systems, Inc.
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*
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* The right to copy, distribute or otherwise make use of this software
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* may be licensed only pursuant to the terms of an applicable Wind River
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* license agreement.
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*/
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/*
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modification history
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--------------------
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01h,28apr10,pad Moved extern C statement after include statements.
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01g,18jul06,jmg removed kernel declaration of wait() and waitpid()
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01f,21jun06,pcm made pthread cancellation point modifications
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01e,02feb06,mil Updated for POSIX namespace conformance (P9*).
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01d,24aug05,kk updated wait() and waitpid() API
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01c,27aug04,md fixed WIFSIGNALED() macro
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01b,26nov03,nrj added function prototype
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01a,28oct03,nrj written from posix spec
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*/
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#ifndef __INCwaith
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#define __INCwaith
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/* includes */
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#include <signal.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* defines */
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#define WNOHANG 0x01 /* do not hang if no status is */
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/* available; return immediately */
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/* not supported, for compatibility */
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#define WUNTRACED 0x02 /* report status of stopped childs */
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/* macros for analyzing process status */
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#define WIFEXITED(status) ((int)((status) & 0xFF00) == 0)
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#define WIFSIGNALED(status) ((int)((status) & 0xFF00) != 0)
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#define WIFSTOPPED(status) ((int)((status) & 0xFF0000) != 0)
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#define WEXITSTATUS(status) ((int)((status) & 0xFF))
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#define WTERMSIG(status) ((int)(((status) >> 8) & 0xFF))
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#define WSTOPSIG(status) ((int)(((status) >> 16) & 0xFF))
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/* Only include while building kernel */
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#ifdef _WRS_KERNEL
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#define SET_EXITSTATUS(status) ((int)((status)&0xFF))
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#define SET_TERMSIG(sig) ((int)(((sig)<<8)&0xFF00))
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#define SET_STOPSIG(sig) ((int)(((sig)<<16)&0xFF0000))
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#else
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extern pid_t wait(int *);
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extern pid_t waitpid(pid_t, int *, int);
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extern pid_t _waitpid(pid_t, int *, int);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCwaith */
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