mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-15 03:01:09 +08:00
776 lines
17 KiB
C
776 lines
17 KiB
C
#include "portable.h"
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#include <stdio.h>
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#include <ac/ctype.h>
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#include <ac/errno.h>
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#include <ac/signal.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include <ac/unistd.h>
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#include "ldapconfig.h"
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#include "slap.h"
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#ifdef HAVE_TCPD
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#include <tcpd.h>
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int allow_severity = LOG_INFO;
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int deny_severity = LOG_NOTICE;
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#endif /* TCP Wrappers */
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/* globals */
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int dtblsize;
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#ifdef HAVE_WINSOCK2
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/* forward reference */
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void hit_socket();
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/* In wsa_err.c */
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char *WSAGetLastErrorString();
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#define WAKE_LISTENER \
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do {\
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if( wake ) {\
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ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );\
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hit_socket();\
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}\
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} while(0)
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#else
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#define WAKE_LISTENER \
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do {\
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if( wake ) {\
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ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );\
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}\
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} while(0)
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#endif
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static int daemon_initialized = 0;
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static ldap_pvt_thread_t listener_tid;
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static volatile sig_atomic_t slapd_shutdown = 0;
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static volatile sig_atomic_t slapd_listener = 0;
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void sockinit();
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struct slap_daemon {
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ldap_pvt_thread_mutex_t sd_mutex;
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int sd_nactives;
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#ifndef HAVE_WINSOCK
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/* In winsock, accept() returns values higher than dtblsize
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so don't bother with this optimization */
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int sd_nfds;
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#endif
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fd_set sd_actives;
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fd_set sd_readers;
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fd_set sd_writers;
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} slap_daemon;
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/*
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* Add a descriptor to daemon control
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*/
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static void slapd_add(int s) {
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ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
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assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
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assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
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assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
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#ifndef HAVE_WINSOCK
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if (s >= slap_daemon.sd_nfds) {
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slap_daemon.sd_nfds = s + 1;
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}
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#endif
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FD_SET( (unsigned) s, &slap_daemon.sd_actives );
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FD_SET( (unsigned) s, &slap_daemon.sd_readers );
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Debug( LDAP_DEBUG_CONNS, "daemon: added %d%s%s\n", s,
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FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
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FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
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ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
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}
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/*
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* Remove the descriptor from daemon control
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*/
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void slapd_remove(int s) {
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ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
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assert( FD_ISSET( s, &slap_daemon.sd_actives ));
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Debug( LDAP_DEBUG_CONNS, "daemon: removing %d%s%s\n", s,
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FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
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FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
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FD_CLR( (unsigned) s, &slap_daemon.sd_actives );
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FD_CLR( (unsigned) s, &slap_daemon.sd_readers );
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FD_CLR( (unsigned) s, &slap_daemon.sd_writers );
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ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
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}
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void slapd_clr_write(int s, int wake) {
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ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
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WAKE_LISTENER;
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assert( FD_ISSET( (unsigned) s, &slap_daemon.sd_actives) );
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FD_CLR( (unsigned) s, &slap_daemon.sd_writers );
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ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
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}
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void slapd_set_write(int s, int wake) {
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ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
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WAKE_LISTENER;
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assert( FD_ISSET( s, &slap_daemon.sd_actives) );
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FD_SET( (unsigned) s, &slap_daemon.sd_writers );
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ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
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}
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void slapd_clr_read(int s, int wake) {
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ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
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WAKE_LISTENER;
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assert( FD_ISSET( s, &slap_daemon.sd_actives) );
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FD_CLR( (unsigned) s, &slap_daemon.sd_readers );
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ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
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}
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void slapd_set_read(int s, int wake) {
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ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
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WAKE_LISTENER;
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assert( FD_ISSET( s, &slap_daemon.sd_actives) );
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FD_SET( (unsigned) s, &slap_daemon.sd_readers );
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ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
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}
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static void slapd_close(int s) {
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slapd_remove(s);
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Debug( LDAP_DEBUG_CONNS, "daemon: closing %d\n", s, 0, 0 );
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tcp_close(s);
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}
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int
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set_socket( struct sockaddr_in *addr )
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{
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int tcps = -1;
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if ( !daemon_initialized ) sockinit();
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#ifdef HAVE_SYSCONF
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dtblsize = sysconf( _SC_OPEN_MAX );
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#elif HAVE_GETDTABLESIZE
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dtblsize = getdtablesize();
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#else
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dtblsize = FD_SETSIZE;
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#endif
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#ifdef FD_SETSIZE
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if(dtblsize > FD_SETSIZE) {
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dtblsize = FD_SETSIZE;
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}
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#endif /* !FD_SETSIZE */
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if( addr != NULL ) {
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int tmp;
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if ( (tcps = socket( AF_INET, SOCK_STREAM, 0 )) == -1 ) {
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#ifndef HAVE_WINSOCK
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int err = errno;
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Debug( LDAP_DEBUG_ANY,
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"daemon: socket() failed errno %d (%s)\n", err,
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err > -1 && err < sys_nerr ? sys_errlist[err] :
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"unknown", 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"daemon: socket() failed errno %d (%s)\n",
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WSAGetLastError(),
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WSAGetLastErrorString(), 0 );
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#endif
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exit( 1 );
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}
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#ifndef HAVE_WINSOCK
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if ( tcps >= dtblsize ) {
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Debug( LDAP_DEBUG_ANY,
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"daemon: listener descriptor %d is too great\n",
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tcps, dtblsize, 0 );
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exit( 1 );
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}
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#endif
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#ifdef SO_REUSEADDR
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tmp = 1;
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if ( setsockopt( tcps, SOL_SOCKET, SO_REUSEADDR,
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(char *) &tmp, sizeof(tmp) ) == -1 )
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{
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int err = errno;
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Debug( LDAP_DEBUG_ANY,
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"slapd(%d): setsockopt() failed errno %d (%s)\n",
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tcps, err,
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err > -1 && err < sys_nerr
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? sys_errlist[err] : "unknown" );
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}
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#endif
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#ifdef SO_KEEPALIVE
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tmp = 1;
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if ( setsockopt( tcps, SOL_SOCKET, SO_KEEPALIVE,
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(char *) &tmp, sizeof(tmp) ) == -1 )
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{
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int err = errno;
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Debug( LDAP_DEBUG_ANY,
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"slapd(%d): setsockopt(KEEPALIVE) failed errno %d (%s)\n",
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tcps, err,
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err > -1 && err < sys_nerr
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? sys_errlist[err] : "unknown" );
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}
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#endif
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if ( bind( tcps, (struct sockaddr *) addr, sizeof(*addr) ) == -1 ) {
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int err = errno;
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Debug( LDAP_DEBUG_ANY, "daemon: bind(%d) failed errno %d (%s)\n",
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tcps, err,
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err > -1 && err < sys_nerr
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? sys_errlist[err] : "unknown" );
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exit( 1 );
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}
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}
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return tcps;
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}
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static void *
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slapd_daemon_task(
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void *ptr
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)
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{
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int inetd = ((int *)ptr) [0];
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int tcps = ((int *)ptr) [1];
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free( ptr );
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if ( !daemon_initialized ) sockinit();
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slapd_listener=1;
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ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
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FD_ZERO( &slap_daemon.sd_readers );
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FD_ZERO( &slap_daemon.sd_writers );
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if( !inetd ) {
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if ( listen( tcps, 5 ) == -1 ) {
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int err = errno;
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Debug( LDAP_DEBUG_ANY,
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"daemon: listen(%d, 5) failed errno %d (%s)\n",
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tcps, err,
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err > -1 && err < sys_nerr
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? sys_errlist[err] : "unknown" );
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exit( 1 );
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}
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slapd_add( tcps );
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} else {
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if( connection_init( 0, NULL, NULL ) ) {
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Debug( LDAP_DEBUG_ANY,
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"connection_init(%d) failed.\n",
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0, 0, 0 );
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exit( 1 );
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}
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slapd_add( 0 );
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}
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while ( !slapd_shutdown ) {
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unsigned int i;
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int ns, nfds;
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fd_set readfds;
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fd_set writefds;
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struct sockaddr_in from;
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#if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
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struct hostent *hp;
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#endif
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struct timeval zero;
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struct timeval *tvp;
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char *client_name;
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char *client_addr;
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FD_ZERO( &writefds );
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FD_ZERO( &readfds );
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zero.tv_sec = 0;
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zero.tv_usec = 0;
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ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
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#ifdef FD_SET_MANUAL_COPY
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for( s = 0; s < nfds; s++ ) {
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if(FD_ISSET( &slap_sd_writers, s )) {
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FD_SET( &writefds, s );
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}
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if(FD_ISSET( &slap_sd_writers, s )) {
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FD_SET( &writefds, s );
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}
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}
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#else
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memcpy( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
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memcpy( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
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#endif
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FD_SET( (unsigned) tcps, &readfds );
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#ifndef HAVE_WINSOCK
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nfds = slap_daemon.sd_nfds;
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#else
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nfds = dtblsize;
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#endif
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ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
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ldap_pvt_thread_mutex_lock( &active_threads_mutex );
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#if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
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tvp = NULL;
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#else
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tvp = active_threads ? &zero : NULL;
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#endif
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Debug( LDAP_DEBUG_CONNS,
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"daemon: select: tcps=%d active_threads=%d tvp=%s\n",
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tcps, active_threads,
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tvp == NULL ? "NULL" : "zero" );
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ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
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switch(ns = select( nfds, &readfds, &writefds, 0, tvp )) {
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case -1: { /* failure - try again */
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int err = errno;
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if( err != EINTR || err == EBADF) {
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Debug( LDAP_DEBUG_CONNS,
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"daemon: select failed (%d): %s\n",
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err,
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err >= 0 && err < sys_nerr
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? sys_errlist[err] : "unknown",
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0 );
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slapd_shutdown = -1;
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}
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}
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continue;
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case 0: /* timeout - let threads run */
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Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
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0, 0, 0 );
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ldap_pvt_thread_yield();
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continue;
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default: /* something happened - deal with it */
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Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
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ns, 0, 0 );
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/* FALL THRU */
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}
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if ( FD_ISSET( tcps, &readfds ) ) {
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int s;
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int len = sizeof(from);
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long id;
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if ( (s = accept( tcps,
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(struct sockaddr *) &from, &len )) == -1 )
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{
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int err = errno;
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Debug( LDAP_DEBUG_ANY,
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"daemon: accept(%d) failed errno %d (%s)\n", err,
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tcps, err >= 0 && err < sys_nerr ?
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sys_errlist[err] : "unknown");
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continue;
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}
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#ifdef LDAP_DEBUG
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ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
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/* newly accepted stream should not be in any of the FD SETS */
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assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
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assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
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assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
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ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
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#endif
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#ifndef HAVE_WINSOCK
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/* make sure descriptor number isn't too great */
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if ( s >= dtblsize ) {
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Debug( LDAP_DEBUG_ANY,
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"daemon: %d beyond descriptor table size %d\n",
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s, dtblsize, 0 );
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tcp_close(s);
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continue;
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}
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#endif
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Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %d\n",
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s, 0, 0 );
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len = sizeof(from);
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if ( getpeername( s, (struct sockaddr *) &from, &len ) == 0 ) {
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client_addr = inet_ntoa( from.sin_addr );
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#if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
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hp = gethostbyaddr( (char *)
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&(from.sin_addr.s_addr),
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sizeof(from.sin_addr.s_addr), AF_INET );
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if(hp) {
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char *p;
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client_name = hp->h_name;
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/* normalize the domain */
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for ( p = client_name; *p; p++ ) {
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*p = TOLOWER( (unsigned char) *p );
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}
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} else {
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client_name = NULL;
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}
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#else
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client_name = NULL;
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#endif
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} else {
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client_name = NULL;;
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client_addr = NULL;
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}
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#ifdef HAVE_TCPD
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if(!hosts_ctl("slapd",
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client_name != NULL ? client_name : STRING_UNKNOWN,
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client_addr != NULL ? client_addr : STRING_UNKNOWN,
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STRING_UNKNOWN))
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{
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/* DENY ACCESS */
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Statslog( LDAP_DEBUG_ANY,
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"fd=%d connection from %s (%s) denied.\n",
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s,
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client_name == NULL ? "unknown" : client_name,
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client_addr == NULL ? "unknown" : client_addr,
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0, 0 );
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tcp_close(s);
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continue;
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}
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#endif /* HAVE_TCPD */
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if( (id = connection_init(s, client_name, client_addr)) < 0 ) {
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Debug( LDAP_DEBUG_ANY,
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"daemon: connection_init(%d, %s, %s) failed.\n",
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s,
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client_name == NULL ? "unknown" : client_name,
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client_addr == NULL ? "unknown" : client_addr);
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tcp_close(s);
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continue;
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}
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Statslog( LDAP_DEBUG_STATS,
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"daemon: conn=%d fd=%d connection from %s (%s) accepted.\n",
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id, s,
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client_name == NULL ? "unknown" : client_name,
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client_addr == NULL ? "unknown" : client_addr,
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0 );
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slapd_add( s );
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continue;
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}
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#ifdef LDAP_DEBUG
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Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
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#ifdef HAVE_WINSOCK
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for ( i = 0; i < readfds.fd_count; i++ ) {
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Debug( LDAP_DEBUG_CONNS, " %d%s", readfds.fd_array[i], "r" );
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}
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for ( i = 0; i < writefds.fd_count; i++ ) {
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Debug( LDAP_DEBUG_CONNS, " %d%s", writefds.fd_array[i], "w" );
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}
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#else
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for ( i = 0; i < nfds; i++ ) {
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int a, r, w;
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r = FD_ISSET( i, &readfds );
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w = FD_ISSET( i, &writefds );
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if ( i != tcps && (r || w) ) {
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|
Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
|
|
r ? "r" : "", w ? "w" : "" );
|
|
}
|
|
}
|
|
#endif
|
|
Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
|
|
#endif
|
|
|
|
/* loop through the writers */
|
|
#ifdef HAVE_WINSOCK
|
|
for ( i = 0; i < writefds.fd_count; i++ ) {
|
|
int wd = writefds.fd_array[i];
|
|
|
|
if ( wd == tcps ) {
|
|
continue;
|
|
}
|
|
|
|
Debug( LDAP_DEBUG_CONNS,
|
|
"daemon: signalling write waiter on %d\n",
|
|
wd, 0, 0 );
|
|
|
|
slapd_clr_write( wd, 0 );
|
|
if ( connection_write( wd ) < 0 ) {
|
|
FD_CLR( (unsigned) wd, &readfds );
|
|
slapd_close( wd );
|
|
}
|
|
}
|
|
#else
|
|
for ( i = 0; i < nfds; i++ ) {
|
|
if ( i == tcps ) {
|
|
continue;
|
|
}
|
|
if ( FD_ISSET( i, &writefds ) ) {
|
|
Debug( LDAP_DEBUG_CONNS,
|
|
"daemon: signaling write waiter on %d\n", i, 0, 0 );
|
|
|
|
/* clear the write flag */
|
|
slapd_clr_write( i, 0 );
|
|
|
|
if( connection_write( i ) < 0 ) {
|
|
FD_CLR( i, &readfds );
|
|
slapd_close( i );
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_WINSOCK
|
|
for ( i = 0; i < readfds.fd_count; i++ ) {
|
|
int rd = readfds.fd_array[i];
|
|
if ( rd == tcps ) {
|
|
continue;
|
|
}
|
|
Debug ( LDAP_DEBUG_CONNS,
|
|
"daemon: read activity on %d\n", rd, 0, 0 );
|
|
|
|
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
|
|
assert( FD_ISSET( rd, &slap_daemon.sd_actives) );
|
|
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
|
|
|
|
if ( connection_read( rd ) < 0 ) {
|
|
slapd_close( rd );
|
|
}
|
|
}
|
|
#else
|
|
for ( i = 0; i < nfds; i++ ) {
|
|
if ( i == tcps ) {
|
|
continue;
|
|
}
|
|
|
|
if ( FD_ISSET( i, &readfds ) ) {
|
|
Debug( LDAP_DEBUG_CONNS,
|
|
"daemon: read activity on %d\n", i, 0, 0 );
|
|
|
|
assert( FD_ISSET( i, &slap_daemon.sd_actives) );
|
|
|
|
if( connection_read( i ) < 0) {
|
|
slapd_close( i );
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
ldap_pvt_thread_yield();
|
|
}
|
|
|
|
if( slapd_shutdown > 0 ) {
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"daemon: shutdown requested (%d) and initiated.\n",
|
|
(int) slapd_shutdown, 0, 0 );
|
|
|
|
} else if ( slapd_shutdown < 0 ) {
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"daemon: abnormal condition (%d), shutdown initiated.\n",
|
|
(int) slapd_shutdown, 0, 0 );
|
|
} else {
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"daemon: no active streams, shutdown initiated.\n",
|
|
0, 0, 0 );
|
|
}
|
|
|
|
if( tcps >= 0 ) {
|
|
tcp_close( tcps );
|
|
}
|
|
|
|
/* we only implement "quick" shutdown */
|
|
connections_shutdown();
|
|
|
|
ldap_pvt_thread_mutex_lock( &active_threads_mutex );
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"slapd shutdown: waiting for %d threads to terminate\n",
|
|
active_threads, 0, 0 );
|
|
while ( active_threads > 0 ) {
|
|
ldap_pvt_thread_cond_wait(&active_threads_cond, &active_threads_mutex);
|
|
}
|
|
ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
|
|
|
|
slapd_listener = 0;
|
|
return NULL;
|
|
}
|
|
|
|
int slapd_daemon( int inetd, int tcps )
|
|
{
|
|
int rc;
|
|
int *args = ch_malloc( sizeof( int[2] ) );
|
|
args[0] = inetd;
|
|
args[1] = tcps;
|
|
|
|
if ( !daemon_initialized ) sockinit();
|
|
|
|
connections_init();
|
|
|
|
#define SLAPD_LISTENER_THREAD 1
|
|
#if defined( SLAPD_LISTENER_THREAD ) || !defined(HAVE_PTHREADS)
|
|
|
|
/* listener as a separate THREAD */
|
|
rc = ldap_pvt_thread_create( &listener_tid,
|
|
0, slapd_daemon_task, args );
|
|
|
|
if ( rc != 0 ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
|
|
goto destory;
|
|
}
|
|
|
|
/* wait for the listener thread to complete */
|
|
ldap_pvt_thread_join( listener_tid, (void *) NULL );
|
|
#else
|
|
/* expermimental code */
|
|
listener_tid = pthread_self();
|
|
slapd_daemon_task( args );
|
|
#endif
|
|
|
|
rc = 0;
|
|
|
|
destory:
|
|
connections_destroy();
|
|
|
|
#ifdef HAVE_WINSOCK
|
|
WSACleanup( );
|
|
#endif
|
|
|
|
return rc;
|
|
}
|
|
|
|
#ifdef HAVE_WINSOCK2
|
|
void sockinit()
|
|
{
|
|
WORD wVersionRequested;
|
|
WSADATA wsaData;
|
|
int err;
|
|
|
|
wVersionRequested = MAKEWORD( 2, 0 );
|
|
|
|
err = WSAStartup( wVersionRequested, &wsaData );
|
|
if ( err != 0 ) {
|
|
/* Tell the user that we couldn't find a usable */
|
|
/* WinSock DLL. */
|
|
return;
|
|
}
|
|
|
|
/* Confirm that the WinSock DLL supports 2.0.*/
|
|
/* Note that if the DLL supports versions greater */
|
|
/* than 2.0 in addition to 2.0, it will still return */
|
|
/* 2.0 in wVersion since that is the version we */
|
|
/* requested. */
|
|
|
|
if ( LOBYTE( wsaData.wVersion ) != 2 ||
|
|
HIBYTE( wsaData.wVersion ) != 0 )
|
|
{
|
|
/* Tell the user that we couldn't find a usable */
|
|
/* WinSock DLL. */
|
|
WSACleanup( );
|
|
return;
|
|
}
|
|
daemon_initialized = 1;
|
|
} /* The WinSock DLL is acceptable. Proceed. */
|
|
|
|
void hit_socket( void )
|
|
{
|
|
int s, on = 1;
|
|
extern struct sockaddr_in bind_addr;
|
|
|
|
/* throw something at the socket to terminate the select() in the daemon thread. */
|
|
if (( s = socket( AF_INET, SOCK_STREAM, 0 )) == INVALID_SOCKET )
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"slap_set_shutdown: socket failed\n\tWSAGetLastError=%d (%s)\n",
|
|
WSAGetLastError(), WSAGetLastErrorString(), 0 );
|
|
|
|
if ( ioctlsocket( s, FIONBIO, &on ) == -1 )
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"slap_set_shutdown:FIONBIO ioctl on %d faled\n\tWSAGetLastError=%d (%s)\n",
|
|
s, WSAGetLastError(), WSAGetLastError() );
|
|
|
|
bind_addr.sin_addr.s_addr = htonl( INADDR_LOOPBACK );
|
|
|
|
if ( connect( s, (struct sockaddr *)&bind_addr, sizeof( struct sockaddr_in )) == SOCKET_ERROR ) {
|
|
/* we can probably expect some error to occur here, mostly WSAEWOULDBLOCK */
|
|
}
|
|
|
|
tcp_close(s);
|
|
}
|
|
|
|
#elif HAVE_WINSOCK
|
|
void sockinit()
|
|
{ WSADATA wsaData;
|
|
if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
|
|
return( NULL );
|
|
}
|
|
daemon_initialized = 1;
|
|
}
|
|
#else
|
|
void sockinit()
|
|
{
|
|
daemon_initialized = 1;
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
void
|
|
slap_set_shutdown( int sig )
|
|
{
|
|
slapd_shutdown = sig;
|
|
#ifndef HAVE_WINSOCK
|
|
if(slapd_listener) {
|
|
ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
|
|
}
|
|
#else
|
|
hit_socket();
|
|
#endif
|
|
/* reinstall self */
|
|
(void) SIGNAL( sig, slap_set_shutdown );
|
|
}
|
|
|
|
void
|
|
slap_do_nothing( int sig )
|
|
{
|
|
/* reinstall self */
|
|
(void) SIGNAL( sig, slap_do_nothing );
|
|
}
|