- add vertex Declaration support (using wined3d)
[wine.git] / server / request.c
blobc7ac8bef720eddb583742dc9e9253f6d0ea5296f
1 /*
2 * Server-side request handling
4 * Copyright (C) 1998 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include "config.h"
22 #include "wine/port.h"
24 #include <assert.h>
25 #include <errno.h>
26 #include <fcntl.h>
27 #ifdef HAVE_PWD_H
28 #include <pwd.h>
29 #endif
30 #include <signal.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <stdarg.h>
34 #include <string.h>
35 #include <sys/stat.h>
36 #include <sys/time.h>
37 #include <sys/types.h>
38 #ifdef HAVE_SYS_SOCKET_H
39 # include <sys/socket.h>
40 #endif
41 #ifdef HAVE_SYS_WAIT_H
42 # include <sys/wait.h>
43 #endif
44 #ifdef HAVE_SYS_UIO_H
45 #include <sys/uio.h>
46 #endif
47 #ifdef HAVE_SYS_UN_H
48 #include <sys/un.h>
49 #endif
50 #include <unistd.h>
52 #include "windef.h"
53 #include "winbase.h"
54 #include "wincon.h"
55 #include "wine/library.h"
57 #include "file.h"
58 #include "handle.h"
59 #include "thread.h"
60 #include "process.h"
61 #include "user.h"
62 #define WANT_REQUEST_HANDLERS
63 #include "request.h"
65 /* Some versions of glibc don't define this */
66 #ifndef SCM_RIGHTS
67 #define SCM_RIGHTS 1
68 #endif
70 /* path names for server master Unix socket */
71 static const char * const server_socket_name = "socket"; /* name of the socket file */
72 static const char * const server_lock_name = "lock"; /* name of the server lock file */
74 struct master_socket
76 struct object obj; /* object header */
77 struct fd *fd; /* file descriptor of the master socket */
78 struct timeout_user *timeout; /* timeout on last process exit */
81 static void master_socket_dump( struct object *obj, int verbose );
82 static void master_socket_destroy( struct object *obj );
83 static void master_socket_poll_event( struct fd *fd, int event );
85 static const struct object_ops master_socket_ops =
87 sizeof(struct master_socket), /* size */
88 master_socket_dump, /* dump */
89 no_add_queue, /* add_queue */
90 NULL, /* remove_queue */
91 NULL, /* signaled */
92 NULL, /* satisfied */
93 no_get_fd, /* get_fd */
94 master_socket_destroy /* destroy */
97 static const struct fd_ops master_socket_fd_ops =
99 NULL, /* get_poll_events */
100 master_socket_poll_event, /* poll_event */
101 no_flush, /* flush */
102 no_get_file_info, /* get_file_info */
103 no_queue_async, /* queue_async */
104 no_cancel_async /* cancel_async */
108 struct thread *current = NULL; /* thread handling the current request */
109 unsigned int global_error = 0; /* global error code for when no thread is current */
110 unsigned int server_start_ticks = 0; /* tick count offset from server startup */
112 static struct master_socket *master_socket; /* the master socket object */
114 /* socket communication static structures */
115 static struct iovec myiovec;
116 static struct msghdr msghdr;
117 #ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
118 struct cmsg_fd
120 int len; /* size of structure */
121 int level; /* SOL_SOCKET */
122 int type; /* SCM_RIGHTS */
123 int fd; /* fd to pass */
125 static struct cmsg_fd cmsg = { sizeof(cmsg), SOL_SOCKET, SCM_RIGHTS, -1 };
126 #endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
128 /* complain about a protocol error and terminate the client connection */
129 void fatal_protocol_error( struct thread *thread, const char *err, ... )
131 va_list args;
133 va_start( args, err );
134 fprintf( stderr, "Protocol error:%p: ", thread );
135 vfprintf( stderr, err, args );
136 va_end( args );
137 thread->exit_code = 1;
138 kill_thread( thread, 1 );
141 /* complain about a protocol error and terminate the client connection */
142 void fatal_protocol_perror( struct thread *thread, const char *err, ... )
144 va_list args;
146 va_start( args, err );
147 fprintf( stderr, "Protocol error:%p: ", thread );
148 vfprintf( stderr, err, args );
149 perror( " " );
150 va_end( args );
151 thread->exit_code = 1;
152 kill_thread( thread, 1 );
155 /* die on a fatal error */
156 void fatal_error( const char *err, ... )
158 va_list args;
160 va_start( args, err );
161 fprintf( stderr, "wineserver: " );
162 vfprintf( stderr, err, args );
163 va_end( args );
164 exit(1);
167 /* die on a fatal error */
168 void fatal_perror( const char *err, ... )
170 va_list args;
172 va_start( args, err );
173 fprintf( stderr, "wineserver: " );
174 vfprintf( stderr, err, args );
175 perror( " " );
176 va_end( args );
177 exit(1);
180 /* allocate the reply data */
181 void *set_reply_data_size( size_t size )
183 assert( size <= get_reply_max_size() );
184 if (size && !(current->reply_data = mem_alloc( size ))) size = 0;
185 current->reply_size = size;
186 return current->reply_data;
189 /* write the remaining part of the reply */
190 void write_reply( struct thread *thread )
192 int ret;
194 if ((ret = write( get_unix_fd( thread->reply_fd ),
195 (char *)thread->reply_data + thread->reply_size - thread->reply_towrite,
196 thread->reply_towrite )) >= 0)
198 if (!(thread->reply_towrite -= ret))
200 free( thread->reply_data );
201 thread->reply_data = NULL;
202 /* sent everything, can go back to waiting for requests */
203 set_fd_events( thread->request_fd, POLLIN );
204 set_fd_events( thread->reply_fd, 0 );
206 return;
208 if (errno == EPIPE)
209 kill_thread( thread, 0 ); /* normal death */
210 else if (errno != EWOULDBLOCK && errno != EAGAIN)
211 fatal_protocol_perror( thread, "reply write" );
214 /* send a reply to the current thread */
215 static void send_reply( union generic_reply *reply )
217 int ret;
219 if (!current->reply_size)
221 if ((ret = write( get_unix_fd( current->reply_fd ),
222 reply, sizeof(*reply) )) != sizeof(*reply)) goto error;
224 else
226 struct iovec vec[2];
228 vec[0].iov_base = (void *)reply;
229 vec[0].iov_len = sizeof(*reply);
230 vec[1].iov_base = current->reply_data;
231 vec[1].iov_len = current->reply_size;
233 if ((ret = writev( get_unix_fd( current->reply_fd ), vec, 2 )) < sizeof(*reply)) goto error;
235 if ((current->reply_towrite = current->reply_size - (ret - sizeof(*reply))))
237 /* couldn't write it all, wait for POLLOUT */
238 set_fd_events( current->reply_fd, POLLOUT );
239 set_fd_events( current->request_fd, 0 );
240 return;
243 if (current->reply_data)
245 free( current->reply_data );
246 current->reply_data = NULL;
248 return;
250 error:
251 if (ret >= 0)
252 fatal_protocol_error( current, "partial write %d\n", ret );
253 else if (errno == EPIPE)
254 kill_thread( current, 0 ); /* normal death */
255 else
256 fatal_protocol_perror( current, "reply write" );
259 /* call a request handler */
260 static void call_req_handler( struct thread *thread )
262 union generic_reply reply;
263 enum request req = thread->req.request_header.req;
265 current = thread;
266 current->reply_size = 0;
267 clear_error();
268 memset( &reply, 0, sizeof(reply) );
270 if (debug_level) trace_request();
272 if (req < REQ_NB_REQUESTS)
274 req_handlers[req]( &current->req, &reply );
275 if (current)
277 if (current->reply_fd)
279 reply.reply_header.error = current->error;
280 reply.reply_header.reply_size = current->reply_size;
281 if (debug_level) trace_reply( req, &reply );
282 send_reply( &reply );
284 else fatal_protocol_error( current, "no reply fd for request %d\n", req );
286 current = NULL;
287 return;
289 fatal_protocol_error( current, "bad request %d\n", req );
292 /* read a request from a thread */
293 void read_request( struct thread *thread )
295 int ret;
297 if (!thread->req_toread) /* no pending request */
299 if ((ret = read( get_unix_fd( thread->request_fd ), &thread->req,
300 sizeof(thread->req) )) != sizeof(thread->req)) goto error;
301 if (!(thread->req_toread = thread->req.request_header.request_size))
303 /* no data, handle request at once */
304 call_req_handler( thread );
305 return;
307 if (!(thread->req_data = malloc( thread->req_toread )))
308 fatal_protocol_error( thread, "no memory for %d bytes request\n", thread->req_toread );
311 /* read the variable sized data */
312 for (;;)
314 ret = read( get_unix_fd( thread->request_fd ),
315 (char *)thread->req_data + thread->req.request_header.request_size
316 - thread->req_toread,
317 thread->req_toread );
318 if (ret <= 0) break;
319 if (!(thread->req_toread -= ret))
321 call_req_handler( thread );
322 free( thread->req_data );
323 thread->req_data = NULL;
324 return;
328 error:
329 if (!ret) /* closed pipe */
330 kill_thread( thread, 0 );
331 else if (ret > 0)
332 fatal_protocol_error( thread, "partial read %d\n", ret );
333 else if (errno != EWOULDBLOCK && errno != EAGAIN)
334 fatal_protocol_perror( thread, "read" );
337 /* receive a file descriptor on the process socket */
338 int receive_fd( struct process *process )
340 struct send_fd data;
341 int fd, ret;
343 #ifdef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
344 msghdr.msg_accrightslen = sizeof(int);
345 msghdr.msg_accrights = (void *)&fd;
346 #else /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
347 msghdr.msg_control = &cmsg;
348 msghdr.msg_controllen = sizeof(cmsg);
349 cmsg.fd = -1;
350 #endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
352 myiovec.iov_base = (void *)&data;
353 myiovec.iov_len = sizeof(data);
355 ret = recvmsg( get_unix_fd( process->msg_fd ), &msghdr, 0 );
356 #ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
357 fd = cmsg.fd;
358 #endif
360 if (ret == sizeof(data))
362 struct thread *thread;
364 if (data.tid) thread = get_thread_from_id( data.tid );
365 else thread = (struct thread *)grab_object( process->thread_list );
367 if (!thread || thread->process != process || thread->state == TERMINATED)
369 if (debug_level)
370 fprintf( stderr, "%04x: *fd* %d <- %d bad thread id\n",
371 data.tid, data.fd, fd );
372 close( fd );
374 else
376 if (debug_level)
377 fprintf( stderr, "%04x: *fd* %d <- %d\n",
378 thread->id, data.fd, fd );
379 thread_add_inflight_fd( thread, data.fd, fd );
381 if (thread) release_object( thread );
382 return 0;
385 if (ret >= 0)
387 if (ret > 0)
388 fprintf( stderr, "Protocol error: process %p: partial recvmsg %d for fd\n",
389 process, ret );
390 kill_process( process, NULL, 1 );
392 else
394 if (errno != EWOULDBLOCK && errno != EAGAIN)
396 fprintf( stderr, "Protocol error: process %p: ", process );
397 perror( "recvmsg" );
398 kill_process( process, NULL, 1 );
401 return -1;
404 /* send an fd to a client */
405 int send_client_fd( struct process *process, int fd, obj_handle_t handle )
407 int ret;
409 if (debug_level)
410 fprintf( stderr, "%04x: *fd* %p -> %d\n",
411 current ? current->id : process->id, handle, fd );
413 #ifdef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
414 msghdr.msg_accrightslen = sizeof(fd);
415 msghdr.msg_accrights = (void *)&fd;
416 #else /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
417 msghdr.msg_control = &cmsg;
418 msghdr.msg_controllen = sizeof(cmsg);
419 cmsg.fd = fd;
420 #endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
422 myiovec.iov_base = (void *)&handle;
423 myiovec.iov_len = sizeof(handle);
425 ret = sendmsg( get_unix_fd( process->msg_fd ), &msghdr, 0 );
427 if (ret == sizeof(handle)) return 0;
429 if (ret >= 0)
431 fprintf( stderr, "Protocol error: process %p: partial sendmsg %d\n", process, ret );
432 kill_process( process, NULL, 1 );
434 else if (errno == EPIPE)
436 kill_process( process, NULL, 0 );
438 else
440 fprintf( stderr, "Protocol error: process %p: ", process );
441 perror( "sendmsg" );
442 kill_process( process, NULL, 1 );
444 return -1;
447 /* get current tick count to return to client */
448 unsigned int get_tick_count(void)
450 struct timeval t;
451 gettimeofday( &t, NULL );
452 return (t.tv_sec * 1000) + (t.tv_usec / 1000) - server_start_ticks;
455 static void master_socket_dump( struct object *obj, int verbose )
457 struct master_socket *sock = (struct master_socket *)obj;
458 assert( obj->ops == &master_socket_ops );
459 fprintf( stderr, "Master socket fd=%p\n", sock->fd );
462 static void master_socket_destroy( struct object *obj )
464 struct master_socket *sock = (struct master_socket *)obj;
465 assert( obj->ops == &master_socket_ops );
466 release_object( sock->fd );
469 /* handle a socket event */
470 static void master_socket_poll_event( struct fd *fd, int event )
472 struct master_socket *sock = get_fd_user( fd );
473 assert( master_socket->obj.ops == &master_socket_ops );
475 assert( sock == master_socket ); /* there is only one master socket */
477 if (event & (POLLERR | POLLHUP))
479 /* this is not supposed to happen */
480 fprintf( stderr, "wineserver: Error on master socket\n" );
481 release_object( sock );
483 else if (event & POLLIN)
485 struct sockaddr_un dummy;
486 int len = sizeof(dummy);
487 int client = accept( get_unix_fd( master_socket->fd ), (struct sockaddr *) &dummy, &len );
488 if (client == -1) return;
489 if (sock->timeout)
491 remove_timeout_user( sock->timeout );
492 sock->timeout = NULL;
494 fcntl( client, F_SETFL, O_NONBLOCK );
495 create_process( client );
499 /* remove the socket upon exit */
500 static void socket_cleanup(void)
502 static int do_it_once;
503 if (!do_it_once++) unlink( server_socket_name );
506 /* create a directory and check its permissions */
507 static void create_dir( const char *name, struct stat *st )
509 if (lstat( name, st ) == -1)
511 if (errno != ENOENT) fatal_perror( "lstat %s", name );
512 if (mkdir( name, 0700 ) == -1) fatal_perror( "mkdir %s", name );
513 if (lstat( name, st ) == -1) fatal_perror( "lstat %s", name );
515 if (!S_ISDIR(st->st_mode)) fatal_error( "%s is not a directory\n", name );
516 if (st->st_uid != getuid()) fatal_error( "%s is not owned by you\n", name );
517 if (st->st_mode & 077) fatal_error( "%s must not be accessible by other users\n", name );
520 /* create the server directory and chdir to it */
521 static void create_server_dir(void)
523 char *p, *server_dir;
524 struct stat st, st2;
526 if (!(server_dir = strdup( wine_get_server_dir() ))) fatal_error( "out of memory\n" );
528 /* first create the base directory if needed */
530 p = strrchr( server_dir, '/' );
531 *p = 0;
532 create_dir( server_dir, &st );
534 /* now create the server directory */
536 *p = '/';
537 create_dir( server_dir, &st );
539 if (chdir( server_dir ) == -1) fatal_perror( "chdir %s", server_dir );
540 if (stat( ".", &st2 ) == -1) fatal_perror( "stat %s", server_dir );
541 if (st.st_dev != st2.st_dev || st.st_ino != st2.st_ino)
542 fatal_error( "chdir did not end up in %s\n", server_dir );
544 free( server_dir );
547 /* create the lock file and return its file descriptor */
548 static int create_server_lock(void)
550 struct stat st;
551 int fd;
553 if (lstat( server_lock_name, &st ) == -1)
555 if (errno != ENOENT)
556 fatal_perror( "lstat %s/%s", wine_get_server_dir(), server_lock_name );
558 else
560 if (!S_ISREG(st.st_mode))
561 fatal_error( "%s/%s is not a regular file\n", wine_get_server_dir(), server_lock_name );
564 if ((fd = open( server_lock_name, O_CREAT|O_TRUNC|O_WRONLY, 0600 )) == -1)
565 fatal_perror( "error creating %s/%s", wine_get_server_dir(), server_lock_name );
566 return fd;
569 /* wait for the server lock */
570 int wait_for_lock(void)
572 int fd, r;
573 struct flock fl;
575 create_server_dir();
576 fd = create_server_lock();
578 fl.l_type = F_WRLCK;
579 fl.l_whence = SEEK_SET;
580 fl.l_start = 0;
581 fl.l_len = 1;
582 r = fcntl( fd, F_SETLKW, &fl );
583 close(fd);
585 return r;
588 /* kill the wine server holding the lock */
589 int kill_lock_owner( int sig )
591 int fd, i, ret = 0;
592 pid_t pid = 0;
593 struct flock fl;
595 create_server_dir();
596 fd = create_server_lock();
598 for (i = 0; i < 10; i++)
600 fl.l_type = F_WRLCK;
601 fl.l_whence = SEEK_SET;
602 fl.l_start = 0;
603 fl.l_len = 1;
604 if (fcntl( fd, F_GETLK, &fl ) == -1) goto done;
605 if (fl.l_type != F_WRLCK) goto done; /* the file is not locked */
606 if (!pid) /* first time around */
608 if (!(pid = fl.l_pid)) goto done; /* shouldn't happen */
609 if (sig == -1)
611 if (kill( pid, SIGINT ) == -1) goto done;
612 kill( pid, SIGCONT );
613 ret = 1;
615 else /* just send the specified signal and return */
617 ret = (kill( pid, sig ) != -1);
618 goto done;
621 else if (fl.l_pid != pid) goto done; /* no longer the same process */
622 sleep( 1 );
624 /* waited long enough, now kill it */
625 kill( pid, SIGKILL );
627 done:
628 close( fd );
629 return ret;
632 /* acquire the main server lock */
633 static void acquire_lock(void)
635 struct sockaddr_un addr;
636 struct stat st;
637 struct flock fl;
638 int fd, slen, got_lock = 0;
640 fd = create_server_lock();
642 fl.l_type = F_WRLCK;
643 fl.l_whence = SEEK_SET;
644 fl.l_start = 0;
645 fl.l_len = 1;
646 if (fcntl( fd, F_SETLK, &fl ) != -1)
648 /* check for crashed server */
649 if (stat( server_socket_name, &st ) != -1 && /* there is a leftover socket */
650 stat( "core", &st ) != -1 && st.st_size) /* and there is a non-empty core file */
652 fprintf( stderr,
653 "Warning: a previous instance of the wine server seems to have crashed.\n"
654 "Please run 'gdb %s %s/core',\n"
655 "type 'backtrace' at the gdb prompt and report the results. Thanks.\n\n",
656 server_argv0, wine_get_server_dir() );
658 unlink( server_socket_name ); /* we got the lock, we can safely remove the socket */
659 got_lock = 1;
660 /* in that case we reuse fd without closing it, this ensures
661 * that we hold the lock until the process exits */
663 else
665 switch(errno)
667 case ENOLCK:
668 break;
669 case EACCES:
670 /* check whether locks work at all on this file system */
671 if (fcntl( fd, F_GETLK, &fl ) == -1) break;
672 /* fall through */
673 case EAGAIN:
674 exit(2); /* we didn't get the lock, exit with special status */
675 default:
676 fatal_perror( "fcntl %s/%s", wine_get_server_dir(), server_lock_name );
678 /* it seems we can't use locks on this fs, so we will use the socket existence as lock */
679 close( fd );
682 if ((fd = socket( AF_UNIX, SOCK_STREAM, 0 )) == -1) fatal_perror( "socket" );
683 addr.sun_family = AF_UNIX;
684 strcpy( addr.sun_path, server_socket_name );
685 slen = sizeof(addr) - sizeof(addr.sun_path) + strlen(addr.sun_path) + 1;
686 #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
687 addr.sun_len = slen;
688 #endif
689 if (bind( fd, (struct sockaddr *)&addr, slen ) == -1)
691 if ((errno == EEXIST) || (errno == EADDRINUSE))
693 if (got_lock)
694 fatal_error( "couldn't bind to the socket even though we hold the lock\n" );
695 exit(2); /* we didn't get the lock, exit with special status */
697 fatal_perror( "bind" );
699 atexit( socket_cleanup );
700 chmod( server_socket_name, 0600 ); /* make sure no other user can connect */
701 if (listen( fd, 5 ) == -1) fatal_perror( "listen" );
703 if (!(master_socket = alloc_object( &master_socket_ops )) ||
704 !(master_socket->fd = create_anonymous_fd( &master_socket_fd_ops, fd, &master_socket->obj )))
705 fatal_error( "out of memory\n" );
706 master_socket->timeout = NULL;
707 set_fd_events( master_socket->fd, POLLIN );
710 /* open the master server socket and start waiting for new clients */
711 void open_master_socket(void)
713 int fd, pid, status, sync_pipe[2];
714 char dummy;
716 /* make sure no request is larger than the maximum size */
717 assert( sizeof(union generic_request) == sizeof(struct request_max_size) );
718 assert( sizeof(union generic_reply) == sizeof(struct request_max_size) );
720 create_server_dir();
722 if (!foreground)
724 if (pipe( sync_pipe ) == -1) fatal_perror( "pipe" );
725 pid = fork();
726 switch( pid )
728 case 0: /* child */
729 setsid();
730 close( sync_pipe[0] );
732 acquire_lock();
734 /* close stdin and stdout */
735 if ((fd = open( "/dev/null", O_RDWR )) != -1)
737 dup2( fd, 0 );
738 dup2( fd, 1 );
739 close( fd );
742 /* signal parent */
743 write( sync_pipe[1], &dummy, 1 );
744 close( sync_pipe[1] );
745 break;
747 case -1:
748 fatal_perror( "fork" );
749 break;
751 default: /* parent */
752 close( sync_pipe[1] );
754 /* wait for child to signal us and then exit */
755 if (read( sync_pipe[0], &dummy, 1 ) == 1) _exit(0);
757 /* child terminated, propagate exit status */
758 wait4( pid, &status, 0, NULL );
759 if (WIFEXITED(status)) _exit( WEXITSTATUS(status) );
760 _exit(1);
763 else /* remain in the foreground */
765 acquire_lock();
768 /* setup msghdr structure constant fields */
769 msghdr.msg_name = NULL;
770 msghdr.msg_namelen = 0;
771 msghdr.msg_iov = &myiovec;
772 msghdr.msg_iovlen = 1;
774 /* init startup ticks */
775 server_start_ticks = get_tick_count();
778 /* master socket timer expiration handler */
779 static void close_socket_timeout( void *arg )
781 master_socket->timeout = NULL;
782 flush_registry();
784 /* if a new client is waiting, we keep on running */
785 if (check_fd_events( master_socket->fd, POLLIN )) return;
787 if (debug_level) fprintf( stderr, "wineserver: exiting (pid=%ld)\n", (long) getpid() );
789 #ifdef DEBUG_OBJECTS
790 /* shut down everything properly */
791 release_object( master_socket );
792 close_signals();
793 close_global_hooks();
794 close_global_handles();
795 close_registry();
796 close_atom_table();
797 #else
798 exit(0);
799 #endif
802 /* close the master socket and stop waiting for new clients */
803 void close_master_socket(void)
805 struct timeval when;
807 if (master_socket_timeout == -1) return; /* just keep running forever */
809 if (master_socket_timeout)
811 gettimeofday( &when, 0 );
812 add_timeout( &when, master_socket_timeout * 1000 );
813 master_socket->timeout = add_timeout_user( &when, close_socket_timeout, NULL );
815 else close_socket_timeout( NULL ); /* close it right away */
818 /* lock/unlock the master socket to stop accepting new clients */
819 void lock_master_socket( int locked )
821 set_fd_events( master_socket->fd, locked ? 0 : POLLIN );