Canddisp *canddisp_singleton()
{
if (XimServer::gCandWinStyleUpdated) {
terminate_canddisp_connection();
command = NULL;
XimServer::gCandWinStyleUpdated = false;
}
if (!command)
command = candwin_command();
if (!candwin_initted && command) {
candwin_pid = uim_ipc_open_command(candwin_pid, &candwin_r, &candwin_w, command);
if (disp)
delete disp;
disp = new Canddisp();
int fd = fileno(candwin_r);
if (fd != -1) {
int flag = fcntl(fd, F_GETFL);
if (flag != -1) {
flag |= O_NONBLOCK;
if (fcntl(fd, F_SETFL, flag) != -1)
add_fd_watch(fd, READ_OK, candwin_read_cb);
}
}
candwin_initted = true;
}
return disp;
}
static uim_lisp
mana_init(void)
{
char buf[100];
int fd;
int fl;
if (mana_pid == 0)
mana_pid = uim_ipc_open_command(0, &mana_r, &mana_w, MANA_COMMAND);
if (mana_pid == 0)
return uim_scm_f();
fd = fileno(mana_r);
fl = fcntl(fd, F_GETFL);
fcntl(fd, F_SETFL, fl | O_NONBLOCK);
fgets(buf, sizeof(buf), mana_r);
fcntl(fd, F_SETFL, fl);
if (feof(mana_r)) {
mana_pid = 0;
fclose(mana_r);
fclose(mana_w);
mana_r = mana_w = NULL;
uim_notify_fatal(N_("uim-mana: Command 'mana' not found."));
return uim_scm_f();
}
if (ferror(mana_r))
clearerr(mana_r);
#ifdef DEBUG
log = fopen("mana.log", "w");
#endif
return uim_scm_t();
}
int uim_helper_init_client_fd(void (*disconnect_cb)(void))
{
struct sockaddr_un server;
char path[MAXPATHLEN];
FILE *serv_r = NULL, *serv_w = NULL;
int fd = -1;
uim_fd = -1;
if (!uim_helper_get_pathname(path, sizeof(path)))
goto error;
memset(&server, 0, sizeof(server));
server.sun_family = PF_UNIX;
strlcpy(server.sun_path, path, sizeof(server.sun_path));
#ifdef SOCK_CLOEXEC
/* linux-2.6.27+ variant that prevents racing on concurrent fork & exec in other thread */
fd = socket(PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
if (fd == -1 && errno == EINVAL)
/* fallback to plain SOCK_TYPE on older kernel */
#endif
fd = socket(PF_UNIX, SOCK_STREAM, 0);
if (fd < 0) {
perror("fail to create socket");
goto error;
}
fcntl(fd, F_SETFD, fcntl(fd, F_GETFD, 0) | FD_CLOEXEC);
#ifdef LOCAL_CREDS /* for NetBSD */
/* Set the socket to receive credentials on the next message */
{
int on = 1;
setsockopt(fd, 0, LOCAL_CREDS, &on, sizeof(on));
}
#endif
if (connect(fd, (struct sockaddr *)&server,sizeof(server)) < 0) {
pid_t serv_pid = 0;
char buf[128];
serv_pid = uim_ipc_open_command(serv_pid, &serv_r, &serv_w,
get_server_command());
if (serv_pid == 0)
goto error;
while (fgets (buf, sizeof(buf), serv_r ) != NULL ) {
if (strcmp( buf, "\n" ) == 0)
break;
}
if (connect(fd, (struct sockaddr *)&server,sizeof(server)) < 0)
goto error;
}
if (uim_helper_check_connection_fd(fd))
goto error;
if (!uim_read_buf)
uim_read_buf = uim_strdup("");
uim_disconnect_cb = disconnect_cb;
uim_fd = fd;
return fd;
error:
if (fd != -1)
close(fd);
if (serv_r)
fclose(serv_r);
if (serv_w)
fclose(serv_w);
return -1;
}
