11 #include <ac/unistd.h>
13 #include "ldap_defaults.h"
19 int allow_severity = LOG_INFO;
20 int deny_severity = LOG_NOTICE;
21 #endif /* TCP Wrappers */
25 ber_socket_t dtblsize;
27 typedef struct slap_listener {
33 struct sockaddr_in sl_addr;
36 Listener **slap_listeners = NULL;
40 extern ldap_pvt_thread_cond_t started_event;
42 /* forward reference */
43 static void hit_socket(void);
45 char *WSAGetLastErrorString();
46 static ldap_pvt_thread_t hit_tid;
48 #define WAKE_LISTENER(w) \
51 ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );\
56 #define WAKE_LISTENER(w) \
59 ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );\
67 volatile sig_atomic_t slapd_shutdown = 0;
69 static ldap_pvt_thread_t listener_tid;
70 static volatile sig_atomic_t slapd_listener = 0;
72 static struct slap_daemon {
73 ldap_pvt_thread_mutex_t sd_mutex;
78 /* In winsock, accept() returns values higher than dtblsize
79 so don't bother with this optimization */
89 * Add a descriptor to daemon control
91 static void slapd_add(ber_socket_t s) {
92 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
94 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
95 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
96 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
99 if (s >= slap_daemon.sd_nfds) {
100 slap_daemon.sd_nfds = s + 1;
104 FD_SET( s, &slap_daemon.sd_actives );
105 FD_SET( s, &slap_daemon.sd_readers );
107 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
109 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
110 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
112 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
116 * Remove the descriptor from daemon control
118 void slapd_remove(ber_socket_t s, int wake) {
119 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
122 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
124 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
125 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
127 FD_CLR( s, &slap_daemon.sd_actives );
128 FD_CLR( s, &slap_daemon.sd_readers );
129 FD_CLR( s, &slap_daemon.sd_writers );
131 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
134 void slapd_clr_write(ber_socket_t s, int wake) {
135 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
138 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
139 FD_CLR( s, &slap_daemon.sd_writers );
141 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
144 ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
148 void slapd_set_write(ber_socket_t s, int wake) {
149 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
152 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
153 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
155 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
158 ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
162 void slapd_clr_read(ber_socket_t s, int wake) {
163 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
166 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
167 FD_CLR( s, &slap_daemon.sd_readers );
169 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
172 ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
176 void slapd_set_read(ber_socket_t s, int wake) {
177 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
180 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
181 FD_SET( s, &slap_daemon.sd_readers );
183 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
186 ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
190 static void slapd_close(ber_socket_t s) {
191 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
208 rc = ldap_url_parse( url, &lud );
210 if( rc != LDAP_URL_SUCCESS ) {
211 Debug( LDAP_DEBUG_ANY,
212 "daemon: listen URL \"%s\" parse error=%d\n",
218 if( lud->lud_ldaps ) {
219 Debug( LDAP_DEBUG_ANY,
220 "daemon: TLS not supported (%s)\n",
222 ldap_free_urldesc( lud );
226 if(! lud->lud_port ) {
227 lud->lud_port = port;
231 l.sl_is_tls = lud->lud_ldaps;
233 if(! lud->lud_port ) {
234 lud->lud_port = lud->lud_ldaps ? tls_port : port;
238 (void) memset( (void*) &l.sl_addr, '\0', sizeof(l.sl_addr) );
240 l.sl_addr.sin_family = AF_INET;
241 l.sl_addr.sin_port = htons( (unsigned short) lud->lud_port );
243 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
244 || strcmp(lud->lud_host, "*") == 0 )
246 l.sl_addr.sin_addr.s_addr = htonl(INADDR_ANY);
249 /* host or address was specified */
251 if( isdigit( lud->lud_host[0] ) ) {
253 if(!(l.sl_addr.sin_addr.S_un.S_addr = inet_addr(lud->lud_host)))
255 if(!inet_aton(lud->lud_host, &l.sl_addr.sin_addr))
258 Debug( LDAP_DEBUG_ANY, "invalid address (%s) in URL: %s",
259 lud->lud_host, url, 0);
260 ldap_free_urldesc( lud );
265 struct hostent *he = gethostbyname( lud->lud_host );
267 Debug( LDAP_DEBUG_ANY, "invalid host (%s) in URL: %s",
268 lud->lud_host, url, 0);
269 ldap_free_urldesc( lud );
274 if(!(l.sl_addr.sin_addr.S_un.S_addr = inet_addr(he->h_addr)))
276 if(!inet_aton(he->h_addr, &l.sl_addr.sin_addr))
279 Debug( LDAP_DEBUG_ANY, "%s has invalid address (%s) in URL: %s",
280 lud->lud_host, he->h_addr, url );
281 ldap_free_urldesc( lud );
287 ldap_free_urldesc( lud );
290 if ( (l.sl_sd = socket( AF_INET, SOCK_STREAM, 0 )) == AC_SOCKET_INVALID ) {
293 Debug( LDAP_DEBUG_ANY,
294 "daemon: socket() failed errno %d (%s)\n", err,
295 err > -1 && err < sys_nerr ? sys_errlist[err] :
298 Debug( LDAP_DEBUG_ANY,
299 "daemon: socket() failed errno %d (%s)\n",
301 WSAGetLastErrorString(), 0 );
307 if ( l.sl_sd >= dtblsize ) {
308 Debug( LDAP_DEBUG_ANY,
309 "daemon: listener descriptor %ld is too great %ld\n",
310 (long) l.sl_sd, (long) dtblsize, 0 );
311 tcp_close( l.sl_sd );
318 if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
319 (char *) &tmp, sizeof(tmp) ) == -1 )
322 Debug( LDAP_DEBUG_ANY,
323 "slapd(%ld): setsockopt() failed errno %d (%s)\n",
325 err > -1 && err < sys_nerr
326 ? sys_errlist[err] : "unknown" );
331 if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_KEEPALIVE,
332 (char *) &tmp, sizeof(tmp) ) == -1 )
335 Debug( LDAP_DEBUG_ANY,
336 "slapd(%ld): setsockopt(KEEPALIVE) failed errno %d (%s)\n",
338 err > -1 && err < sys_nerr
339 ? sys_errlist[err] : "unknown" );
343 if ( bind( l.sl_sd, (struct sockaddr *) &l.sl_addr, sizeof(l.sl_addr) ) == -1 ) {
345 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno %d (%s)\n",
347 err > -1 && err < sys_nerr
348 ? sys_errlist[err] : "unknown" );
349 tcp_close( l.sl_sd );
353 l.sl_url = ch_strdup( url );
355 li = ch_malloc( sizeof( Listener ) );
358 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
364 static int sockinit(void);
365 static int sockdestroy(void);
367 int slapd_daemon_init(char *urls, int port, int tls_port )
373 assert( tls_port == 0 );
376 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s (%d/%d)\n",
377 urls ? urls : "<null>", port, tls_port );
379 if( rc = sockinit() ) {
384 dtblsize = sysconf( _SC_OPEN_MAX );
385 #elif HAVE_GETDTABLESIZE
386 dtblsize = getdtablesize();
388 dtblsize = FD_SETSIZE;
392 if(dtblsize > FD_SETSIZE) {
393 dtblsize = FD_SETSIZE;
395 #endif /* !FD_SETSIZE */
397 FD_ZERO( &slap_daemon.sd_readers );
398 FD_ZERO( &slap_daemon.sd_writers );
404 u = str2charray( urls, " " );
406 if( u == NULL || u[0] == NULL ) {
407 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
413 for( i=0; u[i] != NULL; i++ ) {
414 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
419 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
424 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
427 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
429 for(i = 0; u[i] != NULL; i++ ) {
430 slap_listeners[i] = open_listener( u[i], port, tls_port );
432 if( slap_listeners[i] == NULL ) {
436 slap_listeners[i] = NULL;
438 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened.\n",
442 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
447 slapd_daemon_destroy(void)
449 connections_destroy();
464 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
465 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
468 if ( listen( slap_listeners[l]->sl_sd, 5 ) == -1 ) {
470 Debug( LDAP_DEBUG_ANY,
471 "daemon: listen(%s, 5) failed errno %d (%s)\n",
472 (long) slap_listeners[l]->sl_url, err,
473 err > -1 && err < sys_nerr
474 ? sys_errlist[err] : "unknown" );
479 slapd_add( slap_listeners[l]->sl_sd );
483 if ( started_event != NULL ) {
484 ldap_pvt_thread_cond_signal( &started_event );
487 /* initialization complete. Here comes the loop. */
489 while ( !slapd_shutdown ) {
494 #define SLAPD_EBADF_LIMIT 10
497 #define SLAPD_IDLE_CHECK_LIMIT 4
498 time_t last_idle_check = slap_get_time();
505 struct sockaddr_in from;
506 #if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
515 if( global_idletimeout > 0 && difftime(
516 last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT,
519 connections_timeout_idle(now);
522 FD_ZERO( &writefds );
528 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
530 #ifdef FD_SET_MANUAL_COPY
531 for( s = 0; s < nfds; s++ ) {
532 if(FD_ISSET( &slap_sd_writers, s )) {
533 FD_SET( &writefds, s );
535 if(FD_ISSET( &slap_sd_writers, s )) {
536 FD_SET( &writefds, s );
540 memcpy( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
541 memcpy( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
544 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
545 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
547 FD_SET( slap_listeners[l]->sl_sd, &readfds );
551 nfds = slap_daemon.sd_nfds;
556 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
558 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
560 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
562 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
565 tvp = at ? &zero : NULL;
568 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
569 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
572 Debug( LDAP_DEBUG_CONNS,
573 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
574 slap_listeners[l]->sl_sd, at,
575 tvp == NULL ? "NULL" : "zero" );
578 switch(ns = select( nfds, &readfds,
580 /* don't pass empty fd_set */
581 ( writefds.fd_count > 0 ? &writefds : NULL ),
587 case -1: { /* failure - try again */
589 int err = WSAGetLastError();
594 if( err == EBADF && ++ebadf < SLAPD_EBADF_LIMIT) {
599 Debug( LDAP_DEBUG_CONNS,
600 "daemon: select failed (%d): %s\n",
602 err >= 0 && err < sys_nerr
603 ? sys_errlist[err] : "unknown",
612 case 0: /* timeout - let threads run */
614 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
616 ldap_pvt_thread_yield();
619 default: /* something happened - deal with it */
621 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
626 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
628 socklen_t len = sizeof(from);
631 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
634 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
637 if ( (s = accept( slap_listeners[l]->sl_sd,
638 (struct sockaddr *) &from, &len )) == AC_SOCKET_INVALID )
641 Debug( LDAP_DEBUG_ANY,
642 "daemon: accept(%ld) failed errno %d (%s)\n", err,
643 (long) slap_listeners[l]->sl_sd,
644 err >= 0 && err < sys_nerr ?
645 sys_errlist[err] : "unknown");
650 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
652 /* newly accepted stream should not be in any of the FD SETS */
654 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
655 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
656 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
658 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
662 /* make sure descriptor number isn't too great */
663 if ( s >= dtblsize ) {
664 Debug( LDAP_DEBUG_ANY,
665 "daemon: %ld beyond descriptor table size %ld\n",
666 (long) s, (long) dtblsize, 0 );
672 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
676 if ( getpeername( s, (struct sockaddr *) &from, &len ) == 0 ) {
677 client_addr = inet_ntoa( from.sin_addr );
679 #if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
680 hp = gethostbyaddr( (char *)
681 &(from.sin_addr.s_addr),
682 sizeof(from.sin_addr.s_addr), AF_INET );
686 client_name = hp->h_name;
688 /* normalize the domain */
689 for ( p = client_name; *p; p++ ) {
690 *p = TOLOWER( (unsigned char) *p );
706 if(!hosts_ctl("slapd",
707 client_name != NULL ? client_name : STRING_UNKNOWN,
708 client_addr != NULL ? client_addr : STRING_UNKNOWN,
712 Statslog( LDAP_DEBUG_ANY,
713 "fd=%ld connection from %s (%s) denied.\n",
715 client_name == NULL ? "unknown" : client_name,
716 client_addr == NULL ? "unknown" : client_addr,
722 #endif /* HAVE_TCPD */
724 if( (id = connection_init(s, client_name, client_addr,
726 slap_listeners[l]->sl_is_tls
732 Debug( LDAP_DEBUG_ANY,
733 "daemon: connection_init(%ld, %s, %s) failed.\n",
735 client_name == NULL ? "unknown" : client_name,
736 client_addr == NULL ? "unknown" : client_addr);
741 Statslog( LDAP_DEBUG_STATS,
742 "daemon: conn=%d fd=%ld connection from %s (%s) accepted.\n",
744 client_name == NULL ? "unknown" : client_name,
745 client_addr == NULL ? "unknown" : client_addr,
753 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
755 for ( i = 0; i < readfds.fd_count; i++ ) {
756 Debug( LDAP_DEBUG_CONNS, " %d%s",
757 readfds.fd_array[i], "r", 0 );
759 for ( i = 0; i < writefds.fd_count; i++ ) {
760 Debug( LDAP_DEBUG_CONNS, " %d%s",
761 writefds.fd_array[i], "w", 0 );
764 for ( i = 0; i < nfds; i++ ) {
768 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
769 if ( i == slap_listeners[l]->sl_sd ) {
777 r = FD_ISSET( i, &readfds );
778 w = FD_ISSET( i, &writefds );
780 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
781 r ? "r" : "", w ? "w" : "" );
785 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
788 /* loop through the writers */
790 for ( i = 0; i < writefds.fd_count; i++ )
792 for ( i = 0; i < nfds; i++ )
798 wd = writefds.fd_array[i];
800 if( ! FD_ISSET( i, &writefds ) ) {
806 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
807 if ( i == slap_listeners[l]->sl_sd ) {
815 Debug( LDAP_DEBUG_CONNS,
816 "daemon: write active on %d\n",
820 * NOTE: it is possible that the connection was closed
821 * and that the stream is now inactive.
822 * connection_write() must valid the stream is still
826 if ( connection_write( wd ) < 0 ) {
827 FD_CLR( (unsigned) wd, &readfds );
833 for ( i = 0; i < readfds.fd_count; i++ )
835 for ( i = 0; i < nfds; i++ )
843 rd = readfds.fd_array[i];
845 if( ! FD_ISSET( i, &readfds ) ) {
851 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
852 if ( i == slap_listeners[l]->sl_sd ) {
861 Debug ( LDAP_DEBUG_CONNS,
862 "daemon: read activity on %d\n", rd, 0, 0 );
865 * NOTE: it is possible that the connection was closed
866 * and that the stream is now inactive.
867 * connection_read() must valid the stream is still
871 while ( ( rc = connection_read( rd ) ) > 0 )
877 ldap_pvt_thread_yield();
880 if( slapd_shutdown > 0 ) {
881 Debug( LDAP_DEBUG_TRACE,
882 "daemon: shutdown requested and initiated.\n",
885 } else if ( slapd_shutdown < 0 ) {
886 Debug( LDAP_DEBUG_TRACE,
887 "daemon: abnormal condition, shutdown initiated.\n",
890 Debug( LDAP_DEBUG_TRACE,
891 "daemon: no active streams, shutdown initiated.\n",
895 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
896 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
897 slapd_close( slap_listeners[l]->sl_sd );
902 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
903 Debug( LDAP_DEBUG_ANY,
904 "slapd shutdown: waiting for %d threads to terminate\n",
905 active_threads, 0, 0 );
906 while ( active_threads > 0 ) {
907 ldap_pvt_thread_cond_wait(&active_threads_cond, &active_threads_mutex);
909 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
915 int slapd_daemon( void )
921 #define SLAPD_LISTENER_THREAD 1
922 #if defined( SLAPD_LISTENER_THREAD ) || !defined(HAVE_PTHREADS)
924 /* listener as a separate THREAD */
925 rc = ldap_pvt_thread_create( &listener_tid,
926 0, slapd_daemon_task, NULL );
929 Debug( LDAP_DEBUG_ANY,
930 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
934 /* wait for the listener thread to complete */
935 ldap_pvt_thread_join( listener_tid, (void *) NULL );
937 /* expermimental code */
938 listener_tid = pthread_self();
939 slapd_daemon_task( NULL );
949 WORD wVersionRequested;
953 wVersionRequested = MAKEWORD( 2, 0 );
955 err = WSAStartup( wVersionRequested, &wsaData );
957 /* Tell the user that we couldn't find a usable */
962 /* Confirm that the WinSock DLL supports 2.0.*/
963 /* Note that if the DLL supports versions greater */
964 /* than 2.0 in addition to 2.0, it will still return */
965 /* 2.0 in wVersion since that is the version we */
968 if ( LOBYTE( wsaData.wVersion ) != 2 ||
969 HIBYTE( wsaData.wVersion ) != 0 )
971 /* Tell the user that we couldn't find a usable */
977 /* The WinSock DLL is acceptable. Proceed. */
981 int sockdestroy(void)
987 void hit_socket(void)
991 extern struct sockaddr_in bind_addr;
993 /* throw something at the socket to terminate the select() in the daemon thread. */
994 if (( s = socket( AF_INET, SOCK_STREAM, 0 )) == AC_SOCKET_INVALID )
995 Debug( LDAP_DEBUG_ANY,
996 "slap_set_shutdown: socket failed\n\tWSAGetLastError=%d (%s)\n",
997 WSAGetLastError(), WSAGetLastErrorString(), 0 );
999 if ( ioctlsocket( s, FIONBIO, &on ) == -1 )
1000 Debug( LDAP_DEBUG_ANY,
1001 "slap_set_shutdown:FIONBIO ioctl on %d faled\n\tWSAGetLastError=%d (%s)\n",
1002 s, WSAGetLastError(), WSAGetLastError() );
1004 bind_addr.sin_addr.s_addr = htonl( INADDR_LOOPBACK );
1006 if ( connect( s, (struct sockaddr *)&bind_addr, sizeof( struct sockaddr_in )) == SOCKET_ERROR ) {
1007 Debug( LDAP_DEBUG_ANY,
1008 "hit_socket: error on connect: %d\n",
1009 WSAGetLastError(), 0, 0 );
1010 /* we can probably expect some error to occur here, mostly WSAEWOULDBLOCK */
1017 static int sockinit(void)
1019 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1024 static int sockdestroy(void)
1031 static int sockinit(void)
1035 static int sockdestroy(void)
1042 slap_set_shutdown( int sig )
1045 slapd_shutdown = sig;
1046 #ifndef HAVE_WINSOCK
1047 if(slapd_listener) {
1048 ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
1051 Debug( LDAP_DEBUG_TRACE, "Shutdown %d ordered", sig, 0, 0 );
1052 /* trying to "hit" the socket seems to always get a */
1053 /* EWOULDBLOCK error, so just close the listen socket to */
1054 /* break out of the select since we're shutting down anyway */
1055 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1056 if ( slap_listeners[l]->sl_sd >= 0 ) {
1057 tcp_close( slap_listeners[l]->sl_sd );
1061 /* reinstall self */
1062 (void) SIGNAL( sig, slap_set_shutdown );
1066 slap_do_nothing( int sig )
1068 /* reinstall self */
1069 (void) SIGNAL( sig, slap_do_nothing );