2 * Wine server communication
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
33 #include <sys/types.h>
34 #ifdef HAVE_SYS_SOCKET_H
35 # include <sys/socket.h>
37 #ifdef HAVE_SYS_WAIT_H
43 #ifdef HAVE_SYS_MMAN_H
46 #ifdef HAVE_SYS_STAT_H
47 # include <sys/stat.h>
57 #define WIN32_NO_STATUS
58 #include "wine/library.h"
59 #include "wine/pthread.h"
60 #include "wine/server.h"
61 #include "wine/debug.h"
62 #include "ntdll_misc.h"
64 WINE_DEFAULT_DEBUG_CHANNEL(server
);
66 /* Some versions of glibc don't define this */
71 #define SOCKETNAME "socket" /* name of the socket file */
72 #define LOCKNAME "lock" /* name of the lock file */
74 #ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
75 /* data structure used to pass an fd with sendmsg/recvmsg */
80 size_t len
; /* size of structure */
81 int level
; /* SOL_SOCKET */
82 int type
; /* SCM_RIGHTS */
84 int fd
; /* fd to pass */
86 #endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
88 abs_time_t server_start_time
= { 0, 0 }; /* time of server startup */
90 extern struct wine_pthread_functions pthread_functions
;
92 static sigset_t block_set
; /* signals to block during server calls */
93 static int fd_socket
= -1; /* socket to exchange file descriptors with the server */
95 static RTL_CRITICAL_SECTION fd_cache_section
;
96 static RTL_CRITICAL_SECTION_DEBUG critsect_debug
=
98 0, 0, &fd_cache_section
,
99 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
100 0, 0, { (DWORD_PTR
)(__FILE__
": fd_cache_section") }
102 static RTL_CRITICAL_SECTION fd_cache_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
106 static void fatal_error( const char *err
, ... ) __attribute__((noreturn
, format(printf
,1,2)));
107 static void fatal_perror( const char *err
, ... ) __attribute__((noreturn
, format(printf
,1,2)));
108 static void server_connect_error( const char *serverdir
) __attribute__((noreturn
));
111 /* die on a fatal error; use only during initialization */
112 static void fatal_error( const char *err
, ... )
116 va_start( args
, err
);
117 fprintf( stderr
, "wine: " );
118 vfprintf( stderr
, err
, args
);
123 /* die on a fatal error; use only during initialization */
124 static void fatal_perror( const char *err
, ... )
128 va_start( args
, err
);
129 fprintf( stderr
, "wine: " );
130 vfprintf( stderr
, err
, args
);
137 /***********************************************************************
140 void server_exit_thread( int status
)
142 struct wine_pthread_thread_info info
;
147 RemoveEntryList( &NtCurrentTeb()->TlsLinks
);
150 info
.stack_base
= NtCurrentTeb()->DeallocationStack
;
151 info
.teb_base
= NtCurrentTeb();
152 info
.teb_sel
= wine_get_fs();
153 info
.exit_status
= status
;
155 fds
[0] = ntdll_get_thread_data()->wait_fd
[0];
156 fds
[1] = ntdll_get_thread_data()->wait_fd
[1];
157 fds
[2] = ntdll_get_thread_data()->reply_fd
;
158 fds
[3] = ntdll_get_thread_data()->request_fd
;
159 pthread_functions
.sigprocmask( SIG_BLOCK
, &block_set
, NULL
);
162 NtFreeVirtualMemory( GetCurrentProcess(), &info
.stack_base
, &size
, MEM_RELEASE
| MEM_SYSTEM
);
163 info
.stack_size
= size
;
166 NtFreeVirtualMemory( GetCurrentProcess(), &info
.teb_base
, &size
, MEM_RELEASE
| MEM_SYSTEM
);
167 info
.teb_size
= size
;
173 pthread_functions
.exit_thread( &info
);
177 /***********************************************************************
178 * server_abort_thread
180 void server_abort_thread( int status
)
182 pthread_functions
.sigprocmask( SIG_BLOCK
, &block_set
, NULL
);
183 close( ntdll_get_thread_data()->wait_fd
[0] );
184 close( ntdll_get_thread_data()->wait_fd
[1] );
185 close( ntdll_get_thread_data()->reply_fd
);
186 close( ntdll_get_thread_data()->request_fd
);
187 pthread_functions
.abort_thread( status
);
191 /***********************************************************************
192 * server_protocol_error
194 void server_protocol_error( const char *err
, ... )
198 va_start( args
, err
);
199 fprintf( stderr
, "wine client error:%x: ", GetCurrentThreadId() );
200 vfprintf( stderr
, err
, args
);
202 server_abort_thread(1);
206 /***********************************************************************
207 * server_protocol_perror
209 void server_protocol_perror( const char *err
)
211 fprintf( stderr
, "wine client error:%x: ", GetCurrentThreadId() );
213 server_abort_thread(1);
217 /***********************************************************************
220 * Send a request to the server.
222 static void send_request( const struct __server_request_info
*req
)
227 if (!req
->u
.req
.request_header
.request_size
)
229 if ((ret
= write( ntdll_get_thread_data()->request_fd
, &req
->u
.req
,
230 sizeof(req
->u
.req
) )) == sizeof(req
->u
.req
)) return;
235 struct iovec vec
[__SERVER_MAX_DATA
+1];
237 vec
[0].iov_base
= (void *)&req
->u
.req
;
238 vec
[0].iov_len
= sizeof(req
->u
.req
);
239 for (i
= 0; i
< req
->data_count
; i
++)
241 vec
[i
+1].iov_base
= (void *)req
->data
[i
].ptr
;
242 vec
[i
+1].iov_len
= req
->data
[i
].size
;
244 if ((ret
= writev( ntdll_get_thread_data()->request_fd
, vec
, i
+1 )) ==
245 req
->u
.req
.request_header
.request_size
+ sizeof(req
->u
.req
)) return;
248 if (ret
>= 0) server_protocol_error( "partial write %d\n", ret
);
249 if (errno
== EPIPE
) server_abort_thread(0);
250 server_protocol_perror( "write" );
254 /***********************************************************************
257 * Read data from the reply buffer; helper for wait_reply.
259 static void read_reply_data( void *buffer
, size_t size
)
265 if ((ret
= read( ntdll_get_thread_data()->reply_fd
, buffer
, size
)) > 0)
267 if (!(size
-= ret
)) return;
268 buffer
= (char *)buffer
+ ret
;
272 if (errno
== EINTR
) continue;
273 if (errno
== EPIPE
) break;
274 server_protocol_perror("read");
276 /* the server closed the connection; time to die... */
277 server_abort_thread(0);
281 /***********************************************************************
284 * Wait for a reply from the server.
286 inline static void wait_reply( struct __server_request_info
*req
)
288 read_reply_data( &req
->u
.reply
, sizeof(req
->u
.reply
) );
289 if (req
->u
.reply
.reply_header
.reply_size
)
290 read_reply_data( req
->reply_data
, req
->u
.reply
.reply_header
.reply_size
);
294 /***********************************************************************
295 * wine_server_call (NTDLL.@)
297 * Perform a server call.
300 * req_ptr [I/O] Function dependent data
303 * Depends on server function being called, but usually an NTSTATUS code.
306 * Use the SERVER_START_REQ and SERVER_END_REQ to help you fill out the
307 * server request structure for the particular call. E.g:
308 *| SERVER_START_REQ( event_op )
310 *| req->handle = handle;
311 *| req->op = SET_EVENT;
312 *| ret = wine_server_call( req );
316 unsigned int wine_server_call( void *req_ptr
)
318 struct __server_request_info
* const req
= req_ptr
;
321 pthread_functions
.sigprocmask( SIG_BLOCK
, &block_set
, &old_set
);
324 pthread_functions
.sigprocmask( SIG_SETMASK
, &old_set
, NULL
);
325 return req
->u
.reply
.reply_header
.error
;
329 /***********************************************************************
330 * wine_server_send_fd (NTDLL.@)
332 * Send a file descriptor to the server.
335 * fd [I] file descriptor to send
340 void wine_server_send_fd( int fd
)
342 #ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
346 struct msghdr msghdr
;
350 vec
.iov_base
= (void *)&data
;
351 vec
.iov_len
= sizeof(data
);
353 msghdr
.msg_name
= NULL
;
354 msghdr
.msg_namelen
= 0;
355 msghdr
.msg_iov
= &vec
;
356 msghdr
.msg_iovlen
= 1;
358 #ifdef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
359 msghdr
.msg_accrights
= (void *)&fd
;
360 msghdr
.msg_accrightslen
= sizeof(fd
);
361 #else /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
362 cmsg
.header
.len
= sizeof(cmsg
.header
) + sizeof(fd
);
363 cmsg
.header
.level
= SOL_SOCKET
;
364 cmsg
.header
.type
= SCM_RIGHTS
;
366 msghdr
.msg_control
= &cmsg
;
367 msghdr
.msg_controllen
= sizeof(cmsg
.header
) + sizeof(fd
);
368 msghdr
.msg_flags
= 0;
369 #endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
371 data
.tid
= GetCurrentThreadId();
376 if ((ret
= sendmsg( fd_socket
, &msghdr
, 0 )) == sizeof(data
)) return;
377 if (ret
>= 0) server_protocol_error( "partial write %d\n", ret
);
378 if (errno
== EINTR
) continue;
379 if (errno
== EPIPE
) server_abort_thread(0);
380 server_protocol_perror( "sendmsg" );
385 /***********************************************************************
388 * Receive a file descriptor passed from the server.
390 static int receive_fd( obj_handle_t
*handle
)
395 #ifdef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
396 struct msghdr msghdr
;
399 msghdr
.msg_accrights
= (void *)&fd
;
400 msghdr
.msg_accrightslen
= sizeof(fd
);
401 #else /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
402 struct msghdr msghdr
;
405 cmsg
.header
.len
= sizeof(cmsg
.header
) + sizeof(fd
);
406 cmsg
.header
.level
= SOL_SOCKET
;
407 cmsg
.header
.type
= SCM_RIGHTS
;
409 msghdr
.msg_control
= &cmsg
;
410 msghdr
.msg_controllen
= sizeof(cmsg
.header
) + sizeof(fd
);
411 msghdr
.msg_flags
= 0;
412 #endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
414 msghdr
.msg_name
= NULL
;
415 msghdr
.msg_namelen
= 0;
416 msghdr
.msg_iov
= &vec
;
417 msghdr
.msg_iovlen
= 1;
418 vec
.iov_base
= (void *)handle
;
419 vec
.iov_len
= sizeof(*handle
);
423 if ((ret
= recvmsg( fd_socket
, &msghdr
, 0 )) > 0)
425 #ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
428 if (fd
!= -1) fcntl( fd
, F_SETFD
, 1 ); /* set close on exec flag */
432 if (errno
== EINTR
) continue;
433 if (errno
== EPIPE
) break;
434 server_protocol_perror("recvmsg");
436 /* the server closed the connection; time to die... */
437 server_abort_thread(0);
441 /***********************************************************************
442 * wine_server_fd_to_handle (NTDLL.@)
444 * Allocate a file handle for a Unix file descriptor.
447 * fd [I] Unix file descriptor.
448 * access [I] Win32 access flags.
449 * attributes [I] Object attributes.
450 * handle [O] Address where Wine file handle will be stored.
455 int wine_server_fd_to_handle( int fd
, unsigned int access
, unsigned int attributes
, obj_handle_t
*handle
)
460 wine_server_send_fd( fd
);
462 SERVER_START_REQ( alloc_file_handle
)
464 req
->access
= access
;
465 req
->attributes
= attributes
;
467 if (!(ret
= wine_server_call( req
))) *handle
= reply
->handle
;
474 /***********************************************************************
475 * wine_server_handle_to_fd (NTDLL.@)
477 * Retrieve the file descriptor corresponding to a file handle.
480 * handle [I] Wine file handle.
481 * access [I] Win32 file access rights requested.
482 * unix_fd [O] Address where Unix file descriptor will be stored.
483 * flags [O] Address where the Unix flags associated with file will be stored. Optional.
488 int wine_server_handle_to_fd( obj_handle_t handle
, unsigned int access
, int *unix_fd
, int *flags
)
490 obj_handle_t fd_handle
;
491 int ret
, removable
= -1, fd
= -1;
493 RtlEnterCriticalSection( &fd_cache_section
);
497 SERVER_START_REQ( get_handle_fd
)
499 req
->handle
= handle
;
500 req
->access
= access
;
501 if (!(ret
= wine_server_call( req
)))
504 removable
= reply
->removable
;
505 if (flags
) *flags
= reply
->flags
;
513 if ((fd
= dup(fd
)) == -1) ret
= FILE_GetNtStatus();
517 /* it wasn't in the cache, get it from the server */
518 fd
= receive_fd( &fd_handle
);
521 ret
= STATUS_TOO_MANY_OPENED_FILES
;
524 assert( fd_handle
== handle
);
528 FILE_FS_DEVICE_INFORMATION info
;
529 if (FILE_GetDeviceInfo( fd
, &info
) == STATUS_SUCCESS
)
530 removable
= (info
.Characteristics
& FILE_REMOVABLE_MEDIA
) != 0;
532 else if (removable
) goto done
; /* don't cache it */
534 /* and store it back into the cache */
535 SERVER_START_REQ( set_handle_fd
)
537 req
->handle
= fd_handle
;
539 req
->removable
= removable
;
540 if (!(ret
= wine_server_call( req
)))
542 if (reply
->cur_fd
!= -1) /* it has been cached */
544 if (reply
->cur_fd
!= fd
) close( fd
); /* someone was here before us */
545 if ((fd
= dup(reply
->cur_fd
)) == -1) ret
= FILE_GetNtStatus();
557 RtlLeaveCriticalSection( &fd_cache_section
);
558 if (!ret
) *unix_fd
= fd
;
563 /***********************************************************************
564 * wine_server_release_fd (NTDLL.@)
566 * Release the Unix file descriptor returned by wine_server_handle_to_fd.
569 * handle [I] Wine file handle.
570 * unix_fd [I] Unix file descriptor to release.
575 void wine_server_release_fd( obj_handle_t handle
, int unix_fd
)
581 /***********************************************************************
584 * Start a new wine server.
586 static void start_server(void)
588 static int started
; /* we only try once */
590 static char wineserver
[] = "server/wineserver";
591 static char debug
[] = "-d";
597 if (pid
== -1) fatal_perror( "fork" );
600 argv
[0] = wineserver
;
601 argv
[1] = TRACE_ON(server
) ? debug
: NULL
;
603 wine_exec_wine_binary( argv
[0], argv
, getenv("WINESERVER") );
604 fatal_error( "could not exec wineserver\n" );
606 waitpid( pid
, &status
, 0 );
607 status
= WIFEXITED(status
) ? WEXITSTATUS(status
) : 1;
608 if (status
== 2) return; /* server lock held by someone else, will retry later */
609 if (status
) exit(status
); /* server failed */
615 /***********************************************************************
616 * server_connect_error
618 * Try to display a meaningful explanation of why we couldn't connect
621 static void server_connect_error( const char *serverdir
)
626 if ((fd
= open( LOCKNAME
, O_WRONLY
)) == -1)
627 fatal_error( "for some mysterious reason, the wine server never started.\n" );
630 fl
.l_whence
= SEEK_SET
;
633 if (fcntl( fd
, F_GETLK
, &fl
) != -1)
635 if (fl
.l_type
== F_WRLCK
) /* the file is locked */
636 fatal_error( "a wine server seems to be running, but I cannot connect to it.\n"
637 " You probably need to kill that process (it might be pid %d).\n",
639 fatal_error( "for some mysterious reason, the wine server failed to run.\n" );
641 fatal_error( "the file system of '%s' doesn't support locks,\n"
642 " and there is a 'socket' file in that directory that prevents wine from starting.\n"
643 " You should make sure no wine server is running, remove that file and try again.\n",
648 /***********************************************************************
651 * Attempt to connect to an existing server socket.
652 * We need to be in the server directory already.
654 static int server_connect( const char *serverdir
)
656 struct sockaddr_un addr
;
658 int s
, slen
, retry
, fd_cwd
;
660 /* retrieve the current directory */
661 fd_cwd
= open( ".", O_RDONLY
);
662 if (fd_cwd
!= -1) fcntl( fd_cwd
, F_SETFD
, 1 ); /* set close on exec flag */
664 /* chdir to the server directory */
665 if (chdir( serverdir
) == -1)
667 if (errno
!= ENOENT
) fatal_perror( "chdir to %s", serverdir
);
669 if (chdir( serverdir
) == -1) fatal_perror( "chdir to %s", serverdir
);
672 /* make sure we are at the right place */
673 if (stat( ".", &st
) == -1) fatal_perror( "stat %s", serverdir
);
674 if (st
.st_uid
!= getuid()) fatal_error( "'%s' is not owned by you\n", serverdir
);
675 if (st
.st_mode
& 077) fatal_error( "'%s' must not be accessible by other users\n", serverdir
);
677 for (retry
= 0; retry
< 6; retry
++)
679 /* if not the first try, wait a bit to leave the previous server time to exit */
682 usleep( 100000 * retry
* retry
);
684 if (lstat( SOCKETNAME
, &st
) == -1) continue; /* still no socket, wait a bit more */
686 else if (lstat( SOCKETNAME
, &st
) == -1) /* check for an already existing socket */
688 if (errno
!= ENOENT
) fatal_perror( "lstat %s/%s", serverdir
, SOCKETNAME
);
690 if (lstat( SOCKETNAME
, &st
) == -1) continue; /* still no socket, wait a bit more */
693 /* make sure the socket is sane (ISFIFO needed for Solaris) */
694 if (!S_ISSOCK(st
.st_mode
) && !S_ISFIFO(st
.st_mode
))
695 fatal_error( "'%s/%s' is not a socket\n", serverdir
, SOCKETNAME
);
696 if (st
.st_uid
!= getuid())
697 fatal_error( "'%s/%s' is not owned by you\n", serverdir
, SOCKETNAME
);
699 /* try to connect to it */
700 addr
.sun_family
= AF_UNIX
;
701 strcpy( addr
.sun_path
, SOCKETNAME
);
702 slen
= sizeof(addr
) - sizeof(addr
.sun_path
) + strlen(addr
.sun_path
) + 1;
703 #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
706 if ((s
= socket( AF_UNIX
, SOCK_STREAM
, 0 )) == -1) fatal_perror( "socket" );
707 if (connect( s
, (struct sockaddr
*)&addr
, slen
) != -1)
709 /* switch back to the starting directory */
715 fcntl( s
, F_SETFD
, 1 ); /* set close on exec flag */
720 server_connect_error( serverdir
);
724 /***********************************************************************
727 * Remove a directory and all its contents; helper for create_config_dir.
729 static void rm_rf( const char *path
)
731 int err
= errno
; /* preserve errno */
737 if (!(buffer
= malloc( strlen(path
) + 256 + 1 ))) goto done
;
738 strcpy( buffer
, path
);
739 p
= buffer
+ strlen(buffer
);
742 if ((dir
= opendir( path
)))
744 while ((de
= readdir( dir
)))
746 if (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." )) continue;
747 strcpy( p
, de
->d_name
);
748 if (unlink( buffer
) != -1) continue;
749 if (errno
== EISDIR
||
750 (errno
== EPERM
&& !lstat( buffer
, &st
) && S_ISDIR(st
.st_mode
)))
752 /* recurse in the sub-directory */
765 /***********************************************************************
768 * Create the wine configuration dir (~/.wine).
770 static void create_config_dir(void)
772 const char *config_dir
= wine_get_config_dir();
777 if (!(tmp_dir
= malloc( strlen(config_dir
) + sizeof("-XXXXXX") )))
778 fatal_error( "out of memory\n" );
779 strcpy( tmp_dir
, config_dir
);
780 strcat( tmp_dir
, "-XXXXXX" );
781 if ((fd
= mkstemps( tmp_dir
, 0 )) == -1)
782 fatal_perror( "can't get temp file name for %s", config_dir
);
785 if (mkdir( tmp_dir
, 0777 ) == -1)
786 fatal_perror( "cannot create temp dir %s", tmp_dir
);
788 MESSAGE( "wine: creating configuration directory '%s'...\n", config_dir
);
793 fatal_perror( "fork" );
799 argv
[0] = "tools/wineprefixcreate";
802 argv
[3] = "--prefix";
805 wine_exec_wine_binary( argv
[0], (char **)argv
, NULL
);
807 fatal_perror( "could not exec wineprefixcreate" );
813 while ((wret
= waitpid( pid
, &status
, 0 )) != pid
)
815 if (wret
== -1 && errno
!= EINTR
) fatal_perror( "wait4" );
817 if (!WIFEXITED(status
) || WEXITSTATUS(status
))
820 fatal_error( "wineprefixcreate failed while creating '%s'.\n", config_dir
);
823 if (rename( tmp_dir
, config_dir
) == -1)
826 if (errno
!= EEXIST
&& errno
!= ENOTEMPTY
)
827 fatal_perror( "rename '%s' to '%s'", tmp_dir
, config_dir
);
828 /* else it was probably created by a concurrent wine process */
831 MESSAGE( "wine: '%s' created successfully.\n", config_dir
);
835 /***********************************************************************
836 * server_init_process
838 * Start the server and create the initial socket pair.
840 void server_init_process(void)
842 obj_handle_t dummy_handle
;
843 const char *env_socket
= getenv( "WINESERVERSOCKET" );
847 fd_socket
= atoi( env_socket
);
848 if (fcntl( fd_socket
, F_SETFD
, 1 ) == -1)
849 fatal_perror( "Bad server socket %d", fd_socket
);
853 const char *server_dir
= wine_get_server_dir();
855 if (!server_dir
) /* this means the config dir doesn't exist */
858 server_dir
= wine_get_server_dir();
861 /* connect to the server */
862 fd_socket
= server_connect( server_dir
);
865 /* setup the signal mask */
866 sigemptyset( &block_set
);
867 sigaddset( &block_set
, SIGALRM
);
868 sigaddset( &block_set
, SIGIO
);
869 sigaddset( &block_set
, SIGINT
);
870 sigaddset( &block_set
, SIGHUP
);
871 sigaddset( &block_set
, SIGUSR1
);
872 sigaddset( &block_set
, SIGUSR2
);
873 sigaddset( &block_set
, SIGCHLD
);
875 /* receive the first thread request fd on the main socket */
876 ntdll_get_thread_data()->request_fd
= receive_fd( &dummy_handle
);
880 /***********************************************************************
883 * Send an init thread request. Return 0 if OK.
885 size_t server_init_thread( int unix_pid
, int unix_tid
, void *entry_point
)
889 struct sigaction sig_act
;
892 sig_act
.sa_handler
= SIG_IGN
;
893 sig_act
.sa_flags
= 0;
894 sigemptyset( &sig_act
.sa_mask
);
896 /* ignore SIGPIPE so that we get an EPIPE error instead */
897 sigaction( SIGPIPE
, &sig_act
, NULL
);
898 /* automatic child reaping to avoid zombies */
900 sig_act
.sa_flags
|= SA_NOCLDWAIT
;
902 sigaction( SIGCHLD
, &sig_act
, NULL
);
904 /* create the server->client communication pipes */
905 if (pipe( reply_pipe
) == -1) server_protocol_perror( "pipe" );
906 if (pipe( ntdll_get_thread_data()->wait_fd
) == -1) server_protocol_perror( "pipe" );
907 wine_server_send_fd( reply_pipe
[1] );
908 wine_server_send_fd( ntdll_get_thread_data()->wait_fd
[1] );
909 ntdll_get_thread_data()->reply_fd
= reply_pipe
[0];
910 close( reply_pipe
[1] );
912 /* set close on exec flag */
913 fcntl( ntdll_get_thread_data()->reply_fd
, F_SETFD
, 1 );
914 fcntl( ntdll_get_thread_data()->wait_fd
[0], F_SETFD
, 1 );
915 fcntl( ntdll_get_thread_data()->wait_fd
[1], F_SETFD
, 1 );
917 SERVER_START_REQ( init_thread
)
919 req
->unix_pid
= unix_pid
;
920 req
->unix_tid
= unix_tid
;
921 req
->teb
= NtCurrentTeb();
922 req
->peb
= NtCurrentTeb()->Peb
;
923 req
->entry
= entry_point
;
924 req
->ldt_copy
= &wine_ldt_copy
;
925 req
->reply_fd
= reply_pipe
[1];
926 req
->wait_fd
= ntdll_get_thread_data()->wait_fd
[1];
927 req
->debug_level
= (TRACE_ON(server
) != 0);
928 ret
= wine_server_call( req
);
929 NtCurrentTeb()->ClientId
.UniqueProcess
= (HANDLE
)reply
->pid
;
930 NtCurrentTeb()->ClientId
.UniqueThread
= (HANDLE
)reply
->tid
;
931 info_size
= reply
->info_size
;
932 version
= reply
->version
;
933 server_start_time
= reply
->server_start
;
937 if (ret
) server_protocol_error( "init_thread failed with status %x\n", ret
);
938 if (version
!= SERVER_PROTOCOL_VERSION
)
939 server_protocol_error( "version mismatch %d/%d.\n"
940 "Your %s binary was not upgraded correctly,\n"
941 "or you have an older one somewhere in your PATH.\n"
942 "Or maybe the wrong wineserver is still running?\n",
943 version
, SERVER_PROTOCOL_VERSION
,
944 (version
> SERVER_PROTOCOL_VERSION
) ? "wine" : "wineserver" );