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Diffstat (limited to '')
| -rw-r--r-- | include/ac/signal.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/ac/signal.h b/include/ac/signal.h new file mode 100644 index 0000000..34dbc04 --- /dev/null +++ b/include/ac/signal.h @@ -0,0 +1,80 @@ +/* Generic signal.h */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1998-2021 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 */ |