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57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/* Generic wait.h */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2008 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#ifndef _AC_WAIT_H
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#define _AC_WAIT_H
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#include <sys/types.h>
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#ifdef HAVE_SYS_WAIT_H
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# include <sys/wait.h>
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#endif
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#define LDAP_HI(s) (((s) >> 8) & 0377)
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#define LDAP_LO(s) ((s) & 0377)
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/* These should work on non-POSIX UNIX platforms,
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all bets on off on non-POSIX non-UNIX platforms... */
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#ifndef WIFEXITED
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# define WIFEXITED(s) (LDAP_LO(s) == 0)
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#endif
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#ifndef WEXITSTATUS
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# define WEXITSTATUS(s) LDAP_HI(s)
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#endif
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#ifndef WIFSIGNALED
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# define WIFSIGNALED(s) (LDAP_LO(s) > 0 && LDAP_HI(s) == 0)
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#endif
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#ifndef WTERMSIG
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# define WTERMSIG(s) (LDAP_LO(s) & 0177)
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#endif
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#ifndef WIFSTOPPED
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# define WIFSTOPPED(s) (LDAP_LO(s) == 0177 && LDAP_HI(s) != 0)
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#endif
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#ifndef WSTOPSIG
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# define WSTOPSIG(s) LDAP_HI(s)
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#endif
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#ifdef WCONTINUED
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# define WAIT_FLAGS ( WNOHANG | WUNTRACED | WCONTINUED )
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#else
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# define WAIT_FLAGS ( WNOHANG | WUNTRACED )
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#endif
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#endif /* _AC_WAIT_H */
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