/* Generic signal.h */ /* $OpenLDAP: pkg/ldap/include/ac/signal.h,v 1.23.2.3 2007/01/02 21:43:47 kurt Exp $ */ /* This work is part of OpenLDAP Software . * * Copyright 1998-2007 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ #ifndef _AC_SIGNAL_H #define _AC_SIGNAL_H #include #undef SIGNAL #if defined( HAVE_SIGACTION ) #define SIGNAL lutil_sigaction typedef void (*lutil_sig_t)(int); LDAP_LUTIL_F(lutil_sig_t) lutil_sigaction( int sig, lutil_sig_t func ); #define SIGNAL_REINSTALL(sig,act) (void)0 #elif defined( HAVE_SIGSET ) #define SIGNAL sigset #define SIGNAL_REINSTALL sigset #else #define SIGNAL signal #define SIGNAL_REINSTALL signal #endif #if !defined( LDAP_SIGUSR1 ) || !defined( LDAP_SIGUSR2 ) #undef LDAP_SIGUSR1 #undef LDAP_SIGUSR2 # if defined(WINNT) || defined(_WINNT) || defined(_WIN32) # define LDAP_SIGUSR1 SIGILL # define LDAP_SIGUSR2 SIGTERM # elif !defined(HAVE_LINUX_THREADS) # define LDAP_SIGUSR1 SIGUSR1 # define LDAP_SIGUSR2 SIGUSR2 # else /* * Some versions of LinuxThreads unfortunately uses the only * two signals reserved for user applications. This forces * OpenLDAP to use other signals reserved for other uses. */ # if defined( SIGSTKFLT ) # define LDAP_SIGUSR1 SIGSTKFLT # elif defined ( SIGSYS ) # define LDAP_SIGUSR1 SIGSYS # endif # 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 #endif /* _AC_SIGNAL_H */