openldap/include/ac/signal.h

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/* Generic signal.h */
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/* $OpenLDAP$ */
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/*
* Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted only
* as authorized by the OpenLDAP Public License. A copy of this
* license is available at http://www.OpenLDAP.org/license.html or
* in file LICENSE in the top-level directory of the distribution.
*/
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#ifndef _AC_SIGNAL_H
#define _AC_SIGNAL_H
#include <signal.h>
#undef SIGNAL
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#ifdef HAVE_SIGSET
#define SIGNAL sigset
#else
#define SIGNAL signal
#endif
#if !defined( LDAP_SIGUSR1 ) || !defined( LDAP_SIGUSR2 )
#undef LDAP_SIGUSR1
#undef LDAP_SIGUSR2
# if defined(WINNT) || defined(_WINNT) || defined(_WIN32)
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# define LDAP_SIGUSR1 SIGILL
# define LDAP_SIGUSR2 SIGTERM
# elif !defined(HAVE_LINUX_THREADS)
# define LDAP_SIGUSR1 SIGUSR1
# define LDAP_SIGUSR2 SIGUSR2
# else
/*
LinuxThreads implemented unfortunately uses the only
two signals reserved for user applications. This forces
OpenLDAP to use, hopefullly unused, signals reserved
for other uses.
*/
# if defined( SIGSTKFLT )
# define LDAP_SIGUSR1 SIGSTKFLT
# elif defined ( SIGSYS )
# define LDAP_SIGUSR1 SIGSYS
# endif
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# if defined( SIGUNUSED )
# define LDAP_SIGUSR2 SIGUNUSED
# elif defined ( SIGINFO )
# define LDAP_SIGUSR2 SIGINFO
# elif defined ( SIGEMT )
# define LDAP_SIGUSR2 SIGEMT
# endif
# endif
#endif
#ifndef LDAP_SIGCHLD
#ifdef SIGCHLD
#define LDAP_SIGCHLD SIGCHLD
#elif SIGCLD
#define LDAP_SIGCHLD SIGCLD
#endif
#endif
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#endif /* _AC_SIGNAL_H */