719 lines
21 KiB
C
719 lines
21 KiB
C
/*
|
|
* Client part of the client/server communication
|
|
*
|
|
* Copyright (C) 1998 Alexandre Julliard
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <pwd.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
# include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_WAIT_H
|
|
#include <sys/wait.h>
|
|
#endif
|
|
#include <sys/un.h>
|
|
#ifdef HAVE_SYS_MMAN_H
|
|
#include <sys/mman.h>
|
|
#endif
|
|
#include <sys/stat.h>
|
|
#include <sys/uio.h>
|
|
#include <unistd.h>
|
|
#include <stdarg.h>
|
|
|
|
#include "wine/port.h"
|
|
#include "thread.h"
|
|
#include "wine/server.h"
|
|
#include "winerror.h"
|
|
#include "options.h"
|
|
|
|
/* Some versions of glibc don't define this */
|
|
#ifndef SCM_RIGHTS
|
|
#define SCM_RIGHTS 1
|
|
#endif
|
|
|
|
#define CONFDIR "/.wine" /* directory for Wine config relative to $HOME */
|
|
#define SERVERDIR "/wineserver-" /* server socket directory (hostname appended) */
|
|
#define SOCKETNAME "socket" /* name of the socket file */
|
|
|
|
/* data structure used to pass an fd with sendmsg/recvmsg */
|
|
struct cmsg_fd
|
|
{
|
|
int len; /* sizeof structure */
|
|
int level; /* SOL_SOCKET */
|
|
int type; /* SCM_RIGHTS */
|
|
int fd; /* fd to pass */
|
|
};
|
|
|
|
static void *boot_thread_id;
|
|
static sigset_t block_set; /* signals to block during server calls */
|
|
static int fd_socket; /* socket to exchange file descriptors with the server */
|
|
|
|
/* die on a fatal error; use only during initialization */
|
|
static void fatal_error( const char *err, ... ) WINE_NORETURN;
|
|
static void fatal_error( const char *err, ... )
|
|
{
|
|
va_list args;
|
|
|
|
va_start( args, err );
|
|
fprintf( stderr, "wine: " );
|
|
vfprintf( stderr, err, args );
|
|
va_end( args );
|
|
exit(1);
|
|
}
|
|
|
|
/* die on a fatal error; use only during initialization */
|
|
static void fatal_perror( const char *err, ... ) WINE_NORETURN;
|
|
static void fatal_perror( const char *err, ... )
|
|
{
|
|
va_list args;
|
|
|
|
va_start( args, err );
|
|
fprintf( stderr, "wine: " );
|
|
vfprintf( stderr, err, args );
|
|
perror( " " );
|
|
va_end( args );
|
|
exit(1);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* server_protocol_error
|
|
*/
|
|
void server_protocol_error( const char *err, ... )
|
|
{
|
|
va_list args;
|
|
|
|
va_start( args, err );
|
|
fprintf( stderr, "wine client error:%p: ", NtCurrentTeb()->tid );
|
|
vfprintf( stderr, err, args );
|
|
va_end( args );
|
|
SYSDEPS_ExitThread(1);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* server_protocol_perror
|
|
*/
|
|
void server_protocol_perror( const char *err )
|
|
{
|
|
fprintf( stderr, "wine client error:%p: ", NtCurrentTeb()->tid );
|
|
perror( err );
|
|
SYSDEPS_ExitThread(1);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* __wine_server_exception_handler (NTDLL.@)
|
|
*/
|
|
DWORD __wine_server_exception_handler( PEXCEPTION_RECORD record, EXCEPTION_FRAME *frame,
|
|
CONTEXT *context, EXCEPTION_FRAME **pdispatcher )
|
|
{
|
|
struct __server_exception_frame *server_frame = (struct __server_exception_frame *)frame;
|
|
if ((record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND)))
|
|
NtCurrentTeb()->buffer_pos = server_frame->buffer_pos;
|
|
return ExceptionContinueSearch;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wine_server_alloc_req (NTDLL.@)
|
|
*/
|
|
void wine_server_alloc_req( union generic_request *req, size_t size )
|
|
{
|
|
unsigned int pos = NtCurrentTeb()->buffer_pos;
|
|
|
|
assert( size <= REQUEST_MAX_VAR_SIZE );
|
|
|
|
if (pos + size > NtCurrentTeb()->buffer_size)
|
|
server_protocol_error( "buffer overflow %d bytes\n",
|
|
pos + size - NtCurrentTeb()->buffer_pos );
|
|
|
|
NtCurrentTeb()->buffer_pos = pos + size;
|
|
req->header.var_offset = pos;
|
|
req->header.var_size = size;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* send_request
|
|
*
|
|
* Send a request to the server.
|
|
*/
|
|
static void send_request( union generic_request *request )
|
|
{
|
|
int ret;
|
|
|
|
if ((ret = write( NtCurrentTeb()->request_fd, request, sizeof(*request) )) == sizeof(*request))
|
|
return;
|
|
if (ret >= 0) server_protocol_error( "partial write %d\n", ret );
|
|
if (errno == EPIPE) SYSDEPS_ExitThread(0);
|
|
server_protocol_perror( "sendmsg" );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* wait_reply
|
|
*
|
|
* Wait for a reply from the server.
|
|
*/
|
|
static void wait_reply( union generic_request *req )
|
|
{
|
|
int ret;
|
|
|
|
for (;;)
|
|
{
|
|
if ((ret = read( NtCurrentTeb()->reply_fd, req, sizeof(*req) )) == sizeof(*req))
|
|
return;
|
|
if (!ret) break;
|
|
if (ret > 0) server_protocol_error( "partial read %d\n", ret );
|
|
if (errno == EINTR) continue;
|
|
if (errno == EPIPE) break;
|
|
server_protocol_perror("read");
|
|
}
|
|
/* the server closed the connection; time to die... */
|
|
SYSDEPS_ExitThread(0);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wine_server_call (NTDLL.@)
|
|
*
|
|
* Perform a server call.
|
|
*/
|
|
unsigned int wine_server_call( union generic_request *req, size_t size )
|
|
{
|
|
sigset_t old_set;
|
|
|
|
memset( (char *)req + size, 0, sizeof(*req) - size );
|
|
sigprocmask( SIG_BLOCK, &block_set, &old_set );
|
|
send_request( req );
|
|
wait_reply( req );
|
|
sigprocmask( SIG_SETMASK, &old_set, NULL );
|
|
return req->header.error;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wine_server_send_fd
|
|
*
|
|
* Send a file descriptor to the server.
|
|
*/
|
|
void wine_server_send_fd( int fd )
|
|
{
|
|
#ifndef HAVE_MSGHDR_ACCRIGHTS
|
|
struct cmsg_fd cmsg;
|
|
#endif
|
|
struct send_fd data;
|
|
struct msghdr msghdr;
|
|
struct iovec vec;
|
|
int ret;
|
|
|
|
vec.iov_base = (void *)&data;
|
|
vec.iov_len = sizeof(data);
|
|
|
|
msghdr.msg_name = NULL;
|
|
msghdr.msg_namelen = 0;
|
|
msghdr.msg_iov = &vec;
|
|
msghdr.msg_iovlen = 1;
|
|
|
|
#ifdef HAVE_MSGHDR_ACCRIGHTS
|
|
msghdr.msg_accrights = (void *)&fd;
|
|
msghdr.msg_accrightslen = sizeof(fd);
|
|
#else /* HAVE_MSGHDR_ACCRIGHTS */
|
|
cmsg.len = sizeof(cmsg);
|
|
cmsg.level = SOL_SOCKET;
|
|
cmsg.type = SCM_RIGHTS;
|
|
cmsg.fd = fd;
|
|
msghdr.msg_control = &cmsg;
|
|
msghdr.msg_controllen = sizeof(cmsg);
|
|
msghdr.msg_flags = 0;
|
|
#endif /* HAVE_MSGHDR_ACCRIGHTS */
|
|
|
|
data.tid = (void *)GetCurrentThreadId();
|
|
data.fd = fd;
|
|
|
|
for (;;)
|
|
{
|
|
if ((ret = sendmsg( fd_socket, &msghdr, 0 )) == sizeof(data)) return;
|
|
if (ret >= 0) server_protocol_error( "partial write %d\n", ret );
|
|
if (errno == EINTR) continue;
|
|
if (errno == EPIPE) SYSDEPS_ExitThread(0);
|
|
server_protocol_perror( "sendmsg" );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* receive_fd
|
|
*
|
|
* Receive a file descriptor passed from the server.
|
|
*/
|
|
static int receive_fd( handle_t *handle )
|
|
{
|
|
struct iovec vec;
|
|
int ret, fd;
|
|
|
|
#ifdef HAVE_MSGHDR_ACCRIGHTS
|
|
struct msghdr msghdr;
|
|
|
|
fd = -1;
|
|
msghdr.msg_accrights = (void *)&fd;
|
|
msghdr.msg_accrightslen = sizeof(fd);
|
|
#else /* HAVE_MSGHDR_ACCRIGHTS */
|
|
struct msghdr msghdr;
|
|
struct cmsg_fd cmsg;
|
|
|
|
cmsg.len = sizeof(cmsg);
|
|
cmsg.level = SOL_SOCKET;
|
|
cmsg.type = SCM_RIGHTS;
|
|
cmsg.fd = -1;
|
|
msghdr.msg_control = &cmsg;
|
|
msghdr.msg_controllen = sizeof(cmsg);
|
|
msghdr.msg_flags = 0;
|
|
#endif /* HAVE_MSGHDR_ACCRIGHTS */
|
|
|
|
msghdr.msg_name = NULL;
|
|
msghdr.msg_namelen = 0;
|
|
msghdr.msg_iov = &vec;
|
|
msghdr.msg_iovlen = 1;
|
|
vec.iov_base = (void *)handle;
|
|
vec.iov_len = sizeof(*handle);
|
|
|
|
for (;;)
|
|
{
|
|
if ((ret = recvmsg( fd_socket, &msghdr, 0 )) > 0)
|
|
{
|
|
#ifndef HAVE_MSGHDR_ACCRIGHTS
|
|
fd = cmsg.fd;
|
|
#endif
|
|
if (fd == -1) server_protocol_error( "no fd received for handle %d\n", *handle );
|
|
fcntl( fd, F_SETFD, 1 ); /* set close on exec flag */
|
|
return fd;
|
|
}
|
|
if (!ret) break;
|
|
if (errno == EINTR) continue;
|
|
if (errno == EPIPE) break;
|
|
server_protocol_perror("recvmsg");
|
|
}
|
|
/* the server closed the connection; time to die... */
|
|
SYSDEPS_ExitThread(0);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wine_server_recv_fd
|
|
*
|
|
* Receive a file descriptor passed from the server.
|
|
* The file descriptor must not be closed.
|
|
* Return -2 if a race condition stole our file descriptor.
|
|
*/
|
|
int wine_server_recv_fd( handle_t handle )
|
|
{
|
|
handle_t fd_handle;
|
|
|
|
int fd = receive_fd( &fd_handle );
|
|
|
|
/* now store it in the server fd cache for this handle */
|
|
|
|
SERVER_START_REQ( set_handle_info )
|
|
{
|
|
req->handle = fd_handle;
|
|
req->flags = 0;
|
|
req->mask = 0;
|
|
req->fd = fd;
|
|
if (!SERVER_CALL())
|
|
{
|
|
if (req->cur_fd != fd)
|
|
{
|
|
/* someone was here before us */
|
|
close( fd );
|
|
fd = req->cur_fd;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
close( fd );
|
|
fd = -1;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (handle != fd_handle) fd = -2; /* not the one we expected */
|
|
return fd;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* get_config_dir
|
|
*
|
|
* Return the configuration directory ($WINEPREFIX or $HOME/.wine)
|
|
*/
|
|
const char *get_config_dir(void)
|
|
{
|
|
static char *confdir;
|
|
if (!confdir)
|
|
{
|
|
const char *prefix = getenv( "WINEPREFIX" );
|
|
if (prefix)
|
|
{
|
|
int len = strlen(prefix);
|
|
if (!(confdir = strdup( prefix ))) fatal_error( "out of memory\n" );
|
|
if (len > 1 && confdir[len-1] == '/') confdir[len-1] = 0;
|
|
}
|
|
else
|
|
{
|
|
const char *home = getenv( "HOME" );
|
|
if (!home)
|
|
{
|
|
struct passwd *pwd = getpwuid( getuid() );
|
|
if (!pwd) fatal_error( "could not find your home directory\n" );
|
|
home = pwd->pw_dir;
|
|
}
|
|
if (!(confdir = malloc( strlen(home) + strlen(CONFDIR) + 1 )))
|
|
fatal_error( "out of memory\n" );
|
|
strcpy( confdir, home );
|
|
strcat( confdir, CONFDIR );
|
|
}
|
|
mkdir( confdir, 0755 ); /* just in case */
|
|
}
|
|
return confdir;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* start_server
|
|
*
|
|
* Start a new wine server.
|
|
*/
|
|
static void start_server( const char *oldcwd )
|
|
{
|
|
static int started; /* we only try once */
|
|
char *path, *p;
|
|
if (!started)
|
|
{
|
|
int status;
|
|
int pid = fork();
|
|
if (pid == -1) fatal_perror( "fork" );
|
|
if (!pid)
|
|
{
|
|
/* if server is explicitly specified, use this */
|
|
if ((p = getenv("WINESERVER")))
|
|
{
|
|
if (p[0] != '/' && oldcwd[0] == '/') /* make it an absolute path */
|
|
{
|
|
if (!(path = malloc( strlen(oldcwd) + strlen(p) + 1 )))
|
|
fatal_error( "out of memory\n" );
|
|
sprintf( path, "%s/%s", oldcwd, p );
|
|
p = path;
|
|
}
|
|
execl( p, "wineserver", NULL );
|
|
fatal_perror( "could not exec the server '%s'\n"
|
|
" specified in the WINESERVER environment variable", p );
|
|
}
|
|
|
|
/* first try the installation dir */
|
|
execl( BINDIR "/wineserver", "wineserver", NULL );
|
|
|
|
/* now try the dir we were launched from */
|
|
if (full_argv0)
|
|
{
|
|
if (!(path = malloc( strlen(full_argv0) + 20 )))
|
|
fatal_error( "out of memory\n" );
|
|
if ((p = strrchr( strcpy( path, full_argv0 ), '/' )))
|
|
{
|
|
strcpy( p, "/wineserver" );
|
|
execl( path, "wineserver", NULL );
|
|
strcpy( p, "/server/wineserver" );
|
|
execl( path, "wineserver", NULL );
|
|
}
|
|
free(path);
|
|
}
|
|
|
|
/* now try the path */
|
|
execlp( "wineserver", "wineserver", NULL );
|
|
|
|
/* and finally the current dir */
|
|
if (!(path = malloc( strlen(oldcwd) + 20 )))
|
|
fatal_error( "out of memory\n" );
|
|
p = strcpy( path, oldcwd ) + strlen( oldcwd );
|
|
strcpy( p, "/wineserver" );
|
|
execl( path, "wineserver", NULL );
|
|
strcpy( p, "/server/wineserver" );
|
|
execl( path, "wineserver", NULL );
|
|
free(path);
|
|
fatal_error( "could not exec wineserver\n" );
|
|
}
|
|
started = 1;
|
|
waitpid( pid, &status, 0 );
|
|
status = WIFEXITED(status) ? WEXITSTATUS(status) : 1;
|
|
if (status) exit(status); /* server failed */
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* server_connect
|
|
*
|
|
* Attempt to connect to an existing server socket.
|
|
* We need to be in the server directory already.
|
|
*/
|
|
static int server_connect( const char *oldcwd, const char *serverdir )
|
|
{
|
|
struct sockaddr_un addr;
|
|
struct stat st;
|
|
int s, slen, retry;
|
|
|
|
/* chdir to the server directory */
|
|
if (chdir( serverdir ) == -1)
|
|
{
|
|
if (errno != ENOENT) fatal_perror( "chdir to %s", serverdir );
|
|
start_server( "." );
|
|
if (chdir( serverdir ) == -1) fatal_perror( "chdir to %s", serverdir );
|
|
}
|
|
|
|
/* make sure we are at the right place */
|
|
if (stat( ".", &st ) == -1) fatal_perror( "stat %s", serverdir );
|
|
if (st.st_uid != getuid()) fatal_error( "'%s' is not owned by you\n", serverdir );
|
|
if (st.st_mode & 077) fatal_error( "'%s' must not be accessible by other users\n", serverdir );
|
|
|
|
for (retry = 0; retry < 3; retry++)
|
|
{
|
|
/* if not the first try, wait a bit to leave the server time to exit */
|
|
if (retry) usleep( 100000 * retry * retry );
|
|
|
|
/* check for an existing socket */
|
|
if (lstat( SOCKETNAME, &st ) == -1)
|
|
{
|
|
if (errno != ENOENT) fatal_perror( "lstat %s/%s", serverdir, SOCKETNAME );
|
|
start_server( oldcwd );
|
|
if (lstat( SOCKETNAME, &st ) == -1) fatal_perror( "lstat %s/%s", serverdir, SOCKETNAME );
|
|
}
|
|
|
|
/* make sure the socket is sane (ISFIFO needed for Solaris) */
|
|
if (!S_ISSOCK(st.st_mode) && !S_ISFIFO(st.st_mode))
|
|
fatal_error( "'%s/%s' is not a socket\n", serverdir, SOCKETNAME );
|
|
if (st.st_uid != getuid())
|
|
fatal_error( "'%s/%s' is not owned by you\n", serverdir, SOCKETNAME );
|
|
|
|
/* try to connect to it */
|
|
addr.sun_family = AF_UNIX;
|
|
strcpy( addr.sun_path, SOCKETNAME );
|
|
slen = sizeof(addr) - sizeof(addr.sun_path) + strlen(addr.sun_path) + 1;
|
|
#ifdef HAVE_SOCKADDR_SUN_LEN
|
|
addr.sun_len = slen;
|
|
#endif
|
|
if ((s = socket( AF_UNIX, SOCK_STREAM, 0 )) == -1) fatal_perror( "socket" );
|
|
if (connect( s, (struct sockaddr *)&addr, slen ) != -1)
|
|
{
|
|
fcntl( s, F_SETFD, 1 ); /* set close on exec flag */
|
|
return s;
|
|
}
|
|
close( s );
|
|
}
|
|
fatal_error( "file '%s/%s' exists,\n"
|
|
" but I cannot connect to it; maybe the wineserver has crashed?\n"
|
|
" If this is the case, you should remove this socket file and try again.\n",
|
|
serverdir, SOCKETNAME );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CLIENT_InitServer
|
|
*
|
|
* Start the server and create the initial socket pair.
|
|
*/
|
|
void CLIENT_InitServer(void)
|
|
{
|
|
int size;
|
|
char hostname[64];
|
|
char *oldcwd, *serverdir;
|
|
const char *configdir;
|
|
handle_t dummy_handle;
|
|
|
|
/* retrieve the current directory */
|
|
for (size = 512; ; size *= 2)
|
|
{
|
|
if (!(oldcwd = malloc( size ))) break;
|
|
if (getcwd( oldcwd, size )) break;
|
|
free( oldcwd );
|
|
if (errno == ERANGE) continue;
|
|
oldcwd = NULL;
|
|
break;
|
|
}
|
|
|
|
/* if argv[0] is a relative path, make it absolute */
|
|
full_argv0 = argv0;
|
|
if (oldcwd && argv0[0] != '/' && strchr( argv0, '/' ))
|
|
{
|
|
char *new_argv0 = malloc( strlen(oldcwd) + strlen(argv0) + 2 );
|
|
if (new_argv0)
|
|
{
|
|
strcpy( new_argv0, oldcwd );
|
|
strcat( new_argv0, "/" );
|
|
strcat( new_argv0, argv0 );
|
|
full_argv0 = new_argv0;
|
|
}
|
|
}
|
|
|
|
/* get the server directory name */
|
|
if (gethostname( hostname, sizeof(hostname) ) == -1) fatal_perror( "gethostname" );
|
|
configdir = get_config_dir();
|
|
serverdir = malloc( strlen(configdir) + strlen(SERVERDIR) + strlen(hostname) + 1 );
|
|
if (!serverdir) fatal_error( "out of memory\n" );
|
|
strcpy( serverdir, configdir );
|
|
strcat( serverdir, SERVERDIR );
|
|
strcat( serverdir, hostname );
|
|
|
|
/* connect to the server */
|
|
fd_socket = server_connect( oldcwd, serverdir );
|
|
|
|
/* switch back to the starting directory */
|
|
if (oldcwd)
|
|
{
|
|
chdir( oldcwd );
|
|
free( oldcwd );
|
|
}
|
|
|
|
/* setup the signal mask */
|
|
sigemptyset( &block_set );
|
|
sigaddset( &block_set, SIGALRM );
|
|
sigaddset( &block_set, SIGIO );
|
|
sigaddset( &block_set, SIGINT );
|
|
sigaddset( &block_set, SIGHUP );
|
|
|
|
/* receive the first thread request fd on the main socket */
|
|
NtCurrentTeb()->request_fd = receive_fd( &dummy_handle );
|
|
|
|
CLIENT_InitThread();
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* set_request_buffer
|
|
*/
|
|
inline static void set_request_buffer(void)
|
|
{
|
|
char *name;
|
|
int fd, ret;
|
|
unsigned int offset, size;
|
|
|
|
/* create a temporary file */
|
|
do
|
|
{
|
|
if (!(name = tmpnam(NULL))) server_protocol_perror( "tmpnam" );
|
|
fd = open( name, O_CREAT | O_EXCL | O_RDWR, 0600 );
|
|
} while ((fd == -1) && (errno == EEXIST));
|
|
|
|
if (fd == -1) server_protocol_perror( "create" );
|
|
unlink( name );
|
|
|
|
wine_server_send_fd( fd );
|
|
|
|
SERVER_START_REQ( set_thread_buffer )
|
|
{
|
|
req->fd = fd;
|
|
ret = SERVER_CALL();
|
|
offset = req->offset;
|
|
size = req->size;
|
|
}
|
|
SERVER_END_REQ;
|
|
if (ret) server_protocol_error( "set_thread_buffer failed with status %x\n", ret );
|
|
|
|
if ((NtCurrentTeb()->buffer = mmap( 0, size, PROT_READ | PROT_WRITE,
|
|
MAP_SHARED, fd, offset )) == (void*)-1)
|
|
server_protocol_perror( "mmap" );
|
|
|
|
close( fd );
|
|
NtCurrentTeb()->buffer_pos = 0;
|
|
NtCurrentTeb()->buffer_size = size;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CLIENT_InitThread
|
|
*
|
|
* Send an init thread request. Return 0 if OK.
|
|
*/
|
|
void CLIENT_InitThread(void)
|
|
{
|
|
TEB *teb = NtCurrentTeb();
|
|
int version, ret;
|
|
int reply_pipe[2];
|
|
|
|
/* ignore SIGPIPE so that we get a EPIPE error instead */
|
|
signal( SIGPIPE, SIG_IGN );
|
|
|
|
/* create the server->client communication pipes */
|
|
if (pipe( reply_pipe ) == -1) server_protocol_perror( "pipe" );
|
|
if (pipe( teb->wait_fd ) == -1) server_protocol_perror( "pipe" );
|
|
wine_server_send_fd( reply_pipe[1] );
|
|
wine_server_send_fd( teb->wait_fd[1] );
|
|
teb->reply_fd = reply_pipe[0];
|
|
|
|
/* set close on exec flag */
|
|
fcntl( teb->reply_fd, F_SETFD, 1 );
|
|
fcntl( teb->wait_fd[0], F_SETFD, 1 );
|
|
fcntl( teb->wait_fd[1], F_SETFD, 1 );
|
|
|
|
SERVER_START_REQ( init_thread )
|
|
{
|
|
req->unix_pid = getpid();
|
|
req->teb = teb;
|
|
req->entry = teb->entry_point;
|
|
req->reply_fd = reply_pipe[1];
|
|
req->wait_fd = teb->wait_fd[1];
|
|
ret = SERVER_CALL();
|
|
teb->pid = req->pid;
|
|
teb->tid = req->tid;
|
|
version = req->version;
|
|
if (req->boot) boot_thread_id = teb->tid;
|
|
else if (boot_thread_id == teb->tid) boot_thread_id = 0;
|
|
close( reply_pipe[1] );
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (ret) server_protocol_error( "init_thread failed with status %x\n", ret );
|
|
if (version != SERVER_PROTOCOL_VERSION)
|
|
server_protocol_error( "version mismatch %d/%d.\n"
|
|
"Your %s binary was not upgraded correctly,\n"
|
|
"or you have an older one somewhere in your PATH.\n"
|
|
"Or maybe the wrong wineserver is still running?\n",
|
|
version, SERVER_PROTOCOL_VERSION,
|
|
(version > SERVER_PROTOCOL_VERSION) ? "wine" : "wineserver" );
|
|
set_request_buffer();
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CLIENT_BootDone
|
|
*
|
|
* Signal that we have finished booting, and set debug level.
|
|
*/
|
|
void CLIENT_BootDone( int debug_level )
|
|
{
|
|
SERVER_START_REQ( boot_done )
|
|
{
|
|
req->debug_level = debug_level;
|
|
SERVER_CALL();
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CLIENT_IsBootThread
|
|
*
|
|
* Return TRUE if current thread is the boot thread.
|
|
*/
|
|
int CLIENT_IsBootThread(void)
|
|
{
|
|
return (GetCurrentThreadId() == (DWORD)boot_thread_id);
|
|
}
|