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 memcpy( &l.sl_addr.sin_addr.S_un.S_addr, he->h_addr,
275 sizeof( l.sl_addr.sin_addr.S_un.S_addr ) );
277 memcpy( &l.sl_addr.sin_addr, he->h_addr,
278 sizeof( l.sl_addr.sin_addr ) );
283 ldap_free_urldesc( lud );
286 if ( (l.sl_sd = socket( AF_INET, SOCK_STREAM, 0 )) == AC_SOCKET_INVALID ) {
289 Debug( LDAP_DEBUG_ANY,
290 "daemon: socket() failed errno %d (%s)\n", err,
291 err > -1 && err < sys_nerr ? sys_errlist[err] :
294 Debug( LDAP_DEBUG_ANY,
295 "daemon: socket() failed errno %d (%s)\n",
297 WSAGetLastErrorString(), 0 );
303 if ( l.sl_sd >= dtblsize ) {
304 Debug( LDAP_DEBUG_ANY,
305 "daemon: listener descriptor %ld is too great %ld\n",
306 (long) l.sl_sd, (long) dtblsize, 0 );
307 tcp_close( l.sl_sd );
314 if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
315 (char *) &tmp, sizeof(tmp) ) == -1 )
318 Debug( LDAP_DEBUG_ANY,
319 "slapd(%ld): setsockopt() failed errno %d (%s)\n",
321 err > -1 && err < sys_nerr
322 ? sys_errlist[err] : "unknown" );
327 if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_KEEPALIVE,
328 (char *) &tmp, sizeof(tmp) ) == -1 )
331 Debug( LDAP_DEBUG_ANY,
332 "slapd(%ld): setsockopt(KEEPALIVE) failed errno %d (%s)\n",
334 err > -1 && err < sys_nerr
335 ? sys_errlist[err] : "unknown" );
339 if ( bind( l.sl_sd, (struct sockaddr *) &l.sl_addr, sizeof(l.sl_addr) ) == -1 ) {
341 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno %d (%s)\n",
343 err > -1 && err < sys_nerr
344 ? sys_errlist[err] : "unknown" );
345 tcp_close( l.sl_sd );
349 l.sl_url = ch_strdup( url );
351 li = ch_malloc( sizeof( Listener ) );
354 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
360 static int sockinit(void);
361 static int sockdestroy(void);
363 int slapd_daemon_init(char *urls, int port, int tls_port )
369 assert( tls_port == 0 );
372 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s (%d/%d)\n",
373 urls ? urls : "<null>", port, tls_port );
375 if( rc = sockinit() ) {
380 dtblsize = sysconf( _SC_OPEN_MAX );
381 #elif HAVE_GETDTABLESIZE
382 dtblsize = getdtablesize();
384 dtblsize = FD_SETSIZE;
388 if(dtblsize > FD_SETSIZE) {
389 dtblsize = FD_SETSIZE;
391 #endif /* !FD_SETSIZE */
393 FD_ZERO( &slap_daemon.sd_readers );
394 FD_ZERO( &slap_daemon.sd_writers );
400 u = str2charray( urls, " " );
402 if( u == NULL || u[0] == NULL ) {
403 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
409 for( i=0; u[i] != NULL; i++ ) {
410 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
415 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
420 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
423 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
425 for(i = 0; u[i] != NULL; i++ ) {
426 slap_listeners[i] = open_listener( u[i], port, tls_port );
428 if( slap_listeners[i] == NULL ) {
432 slap_listeners[i] = NULL;
434 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened.\n",
438 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
443 slapd_daemon_destroy(void)
445 connections_destroy();
460 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
461 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
464 if ( listen( slap_listeners[l]->sl_sd, 5 ) == -1 ) {
466 Debug( LDAP_DEBUG_ANY,
467 "daemon: listen(%s, 5) failed errno %d (%s)\n",
468 (long) slap_listeners[l]->sl_url, err,
469 err > -1 && err < sys_nerr
470 ? sys_errlist[err] : "unknown" );
475 slapd_add( slap_listeners[l]->sl_sd );
479 if ( started_event != NULL ) {
480 ldap_pvt_thread_cond_signal( &started_event );
483 /* initialization complete. Here comes the loop. */
485 while ( !slapd_shutdown ) {
490 #define SLAPD_EBADF_LIMIT 10
493 #define SLAPD_IDLE_CHECK_LIMIT 4
494 time_t last_idle_check = slap_get_time();
501 struct sockaddr_in from;
502 #if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
511 if( global_idletimeout > 0 && difftime(
512 last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT,
515 connections_timeout_idle(now);
518 FD_ZERO( &writefds );
524 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
526 #ifdef FD_SET_MANUAL_COPY
527 for( s = 0; s < nfds; s++ ) {
528 if(FD_ISSET( &slap_sd_writers, s )) {
529 FD_SET( &writefds, s );
531 if(FD_ISSET( &slap_sd_writers, s )) {
532 FD_SET( &writefds, s );
536 memcpy( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
537 memcpy( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
540 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
541 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
543 FD_SET( slap_listeners[l]->sl_sd, &readfds );
547 nfds = slap_daemon.sd_nfds;
552 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
554 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
556 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
558 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
561 tvp = at ? &zero : NULL;
564 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
565 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
568 Debug( LDAP_DEBUG_CONNS,
569 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
570 slap_listeners[l]->sl_sd, at,
571 tvp == NULL ? "NULL" : "zero" );
574 switch(ns = select( nfds, &readfds,
576 /* don't pass empty fd_set */
577 ( writefds.fd_count > 0 ? &writefds : NULL ),
583 case -1: { /* failure - try again */
585 int err = WSAGetLastError();
590 if( err == EBADF && ++ebadf < SLAPD_EBADF_LIMIT) {
595 Debug( LDAP_DEBUG_CONNS,
596 "daemon: select failed (%d): %s\n",
598 err >= 0 && err < sys_nerr
599 ? sys_errlist[err] : "unknown",
608 case 0: /* timeout - let threads run */
610 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
612 ldap_pvt_thread_yield();
615 default: /* something happened - deal with it */
617 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
622 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
624 socklen_t len = sizeof(from);
627 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
630 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
633 if ( (s = accept( slap_listeners[l]->sl_sd,
634 (struct sockaddr *) &from, &len )) == AC_SOCKET_INVALID )
637 Debug( LDAP_DEBUG_ANY,
638 "daemon: accept(%ld) failed errno %d (%s)\n", err,
639 (long) slap_listeners[l]->sl_sd,
640 err >= 0 && err < sys_nerr ?
641 sys_errlist[err] : "unknown");
646 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
648 /* newly accepted stream should not be in any of the FD SETS */
650 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
651 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
652 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
654 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
658 /* make sure descriptor number isn't too great */
659 if ( s >= dtblsize ) {
660 Debug( LDAP_DEBUG_ANY,
661 "daemon: %ld beyond descriptor table size %ld\n",
662 (long) s, (long) dtblsize, 0 );
668 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
672 if ( getpeername( s, (struct sockaddr *) &from, &len ) == 0 ) {
673 client_addr = inet_ntoa( from.sin_addr );
675 #if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
676 hp = gethostbyaddr( (char *)
677 &(from.sin_addr.s_addr),
678 sizeof(from.sin_addr.s_addr), AF_INET );
682 client_name = hp->h_name;
684 /* normalize the domain */
685 for ( p = client_name; *p; p++ ) {
686 *p = TOLOWER( (unsigned char) *p );
702 if(!hosts_ctl("slapd",
703 client_name != NULL ? client_name : STRING_UNKNOWN,
704 client_addr != NULL ? client_addr : STRING_UNKNOWN,
708 Statslog( LDAP_DEBUG_ANY,
709 "fd=%ld connection from %s (%s) denied.\n",
711 client_name == NULL ? "unknown" : client_name,
712 client_addr == NULL ? "unknown" : client_addr,
718 #endif /* HAVE_TCPD */
720 if( (id = connection_init(s, client_name, client_addr,
722 slap_listeners[l]->sl_is_tls
728 Debug( LDAP_DEBUG_ANY,
729 "daemon: connection_init(%ld, %s, %s) failed.\n",
731 client_name == NULL ? "unknown" : client_name,
732 client_addr == NULL ? "unknown" : client_addr);
737 Statslog( LDAP_DEBUG_STATS,
738 "daemon: conn=%d fd=%ld connection from %s (%s) accepted.\n",
740 client_name == NULL ? "unknown" : client_name,
741 client_addr == NULL ? "unknown" : client_addr,
749 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
751 for ( i = 0; i < readfds.fd_count; i++ ) {
752 Debug( LDAP_DEBUG_CONNS, " %d%s",
753 readfds.fd_array[i], "r", 0 );
755 for ( i = 0; i < writefds.fd_count; i++ ) {
756 Debug( LDAP_DEBUG_CONNS, " %d%s",
757 writefds.fd_array[i], "w", 0 );
760 for ( i = 0; i < nfds; i++ ) {
764 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
765 if ( i == slap_listeners[l]->sl_sd ) {
773 r = FD_ISSET( i, &readfds );
774 w = FD_ISSET( i, &writefds );
776 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
777 r ? "r" : "", w ? "w" : "" );
781 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
784 /* loop through the writers */
786 for ( i = 0; i < writefds.fd_count; i++ )
788 for ( i = 0; i < nfds; i++ )
794 wd = writefds.fd_array[i];
796 if( ! FD_ISSET( i, &writefds ) ) {
802 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
803 if ( i == slap_listeners[l]->sl_sd ) {
811 Debug( LDAP_DEBUG_CONNS,
812 "daemon: write active on %d\n",
816 * NOTE: it is possible that the connection was closed
817 * and that the stream is now inactive.
818 * connection_write() must valid the stream is still
822 if ( connection_write( wd ) < 0 ) {
823 FD_CLR( (unsigned) wd, &readfds );
829 for ( i = 0; i < readfds.fd_count; i++ )
831 for ( i = 0; i < nfds; i++ )
839 rd = readfds.fd_array[i];
841 if( ! FD_ISSET( i, &readfds ) ) {
847 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
848 if ( i == slap_listeners[l]->sl_sd ) {
857 Debug ( LDAP_DEBUG_CONNS,
858 "daemon: read activity on %d\n", rd, 0, 0 );
861 * NOTE: it is possible that the connection was closed
862 * and that the stream is now inactive.
863 * connection_read() must valid the stream is still
867 if ( connection_read( rd ) < 0 ) {
871 ldap_pvt_thread_yield();
874 if( slapd_shutdown > 0 ) {
875 Debug( LDAP_DEBUG_TRACE,
876 "daemon: shutdown requested and initiated.\n",
879 } else if ( slapd_shutdown < 0 ) {
880 Debug( LDAP_DEBUG_TRACE,
881 "daemon: abnormal condition, shutdown initiated.\n",
884 Debug( LDAP_DEBUG_TRACE,
885 "daemon: no active streams, shutdown initiated.\n",
889 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
890 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
891 slapd_close( slap_listeners[l]->sl_sd );
896 ldap_pvt_thread_mutex_lock( &active_threads_mutex );
897 Debug( LDAP_DEBUG_ANY,
898 "slapd shutdown: waiting for %d threads to terminate\n",
899 active_threads, 0, 0 );
900 while ( active_threads > 0 ) {
901 ldap_pvt_thread_cond_wait(&active_threads_cond, &active_threads_mutex);
903 ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
909 int slapd_daemon( void )
915 #define SLAPD_LISTENER_THREAD 1
916 #if defined( SLAPD_LISTENER_THREAD ) || !defined(HAVE_PTHREADS)
918 /* listener as a separate THREAD */
919 rc = ldap_pvt_thread_create( &listener_tid,
920 0, slapd_daemon_task, NULL );
923 Debug( LDAP_DEBUG_ANY,
924 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
928 /* wait for the listener thread to complete */
929 ldap_pvt_thread_join( listener_tid, (void *) NULL );
931 /* expermimental code */
932 listener_tid = pthread_self();
933 slapd_daemon_task( NULL );
943 WORD wVersionRequested;
947 wVersionRequested = MAKEWORD( 2, 0 );
949 err = WSAStartup( wVersionRequested, &wsaData );
951 /* Tell the user that we couldn't find a usable */
956 /* Confirm that the WinSock DLL supports 2.0.*/
957 /* Note that if the DLL supports versions greater */
958 /* than 2.0 in addition to 2.0, it will still return */
959 /* 2.0 in wVersion since that is the version we */
962 if ( LOBYTE( wsaData.wVersion ) != 2 ||
963 HIBYTE( wsaData.wVersion ) != 0 )
965 /* Tell the user that we couldn't find a usable */
971 /* The WinSock DLL is acceptable. Proceed. */
975 int sockdestroy(void)
981 void hit_socket(void)
985 extern struct sockaddr_in bind_addr;
987 /* throw something at the socket to terminate the select() in the daemon thread. */
988 if (( s = socket( AF_INET, SOCK_STREAM, 0 )) == AC_SOCKET_INVALID )
989 Debug( LDAP_DEBUG_ANY,
990 "slap_set_shutdown: socket failed\n\tWSAGetLastError=%d (%s)\n",
991 WSAGetLastError(), WSAGetLastErrorString(), 0 );
993 if ( ioctlsocket( s, FIONBIO, &on ) == -1 )
994 Debug( LDAP_DEBUG_ANY,
995 "slap_set_shutdown:FIONBIO ioctl on %d faled\n\tWSAGetLastError=%d (%s)\n",
996 s, WSAGetLastError(), WSAGetLastError() );
998 bind_addr.sin_addr.s_addr = htonl( INADDR_LOOPBACK );
1000 if ( connect( s, (struct sockaddr *)&bind_addr, sizeof( struct sockaddr_in )) == SOCKET_ERROR ) {
1001 Debug( LDAP_DEBUG_ANY,
1002 "hit_socket: error on connect: %d\n",
1003 WSAGetLastError(), 0, 0 );
1004 /* we can probably expect some error to occur here, mostly WSAEWOULDBLOCK */
1011 static int sockinit(void)
1013 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1018 static int sockdestroy(void)
1025 static int sockinit(void)
1029 static int sockdestroy(void)
1036 slap_set_shutdown( int sig )
1039 slapd_shutdown = sig;
1040 #ifndef HAVE_WINSOCK
1041 if(slapd_listener) {
1042 ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
1045 /* trying to "hit" the socket seems to always get a */
1046 /* EWOULDBLOCK error, so just close the listen socket to */
1047 /* break out of the select since we're shutting down anyway */
1048 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1049 if ( slap_listeners[l]->sl_sd >= 0 ) {
1050 tcp_close( slap_listeners[l]->sl_sd );
1054 /* reinstall self */
1055 (void) SIGNAL( sig, slap_set_shutdown );
1059 slap_do_nothing( int sig )
1061 /* reinstall self */
1062 (void) SIGNAL( sig, slap_do_nothing );