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- /* Generic signal.h */
- /* $OpenLDAP$ */
- /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
- *
- * Copyright 1998-2022 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
- * <http://www.OpenLDAP.org/license.html>.
- */
- #ifndef _AC_SIGNAL_H
- #define _AC_SIGNAL_H
- #include <signal.h>
- #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 */
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