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test: share one daemon and D-Bus harness across live tests

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Six live tests carried private copies of the same daemon harness: the
private XDG_RUNTIME_DIR, the fork/exec with captured stderr, the
readiness waits, the SIGTERM and SIGKILL paths, the IBus address file
reader, the socket connect, and the IPC probe. Three of them also
carried the same libdbus helpers.

Extract one implementation into tests/live.c and, so that the binaries
that do not link dbus-1 keep not linking it, the D-Bus half into
tests/livebus.c. Both are compiled into each binary the way ../ipc.c
already is. gtk_live_test keeps its own fake-server harness and only
takes fail, nowms and leftms; xim_live_test keeps its own Xvfb and
process-group daemon spawn, which must inherit DISPLAY, and takes the
temporary directory, timing and cleanup halves.

The copies had drifted; the harness keeps the stricter behaviour.

  - nowms reports a broken clock (-1) instead of pretending it read
    zero, and leftms turns that into an expired deadline, so a loop
    ends in a timeout failure rather than spinning. livesetup checks
    the clock once up front, as daemon_restart_test did.
  - Timeouts compare with <= 0, not == 0.
  - readuntil keeps the three-way result (complete, peer closed, error)
    from ipc_live_test and daemon_restart_test rather than folding
    peer closure into ECONNRESET.
  - The daemon's stdout and stderr are both captured, and a failing
    setenv is reported, for every daemon; daemon_failure_test captured
    stderr only and said nothing about setenv.
  - The child keeps daemon_restart_test's careful redirect that also
    works when the pipe lands on fd 1 or 2.
  - parseaddress requires a positive declared PID.
  - killdaemon reports ECHILD after SIGKILL as a failure; one copy
    accepted it. It now reaps with a blocking waitpid, which SIGKILL
    guarantees will return, instead of daemon_restart_test's polled
    wait with its own timeout diagnostic.
  - stopdaemon tolerates ESRCH on SIGTERM, a benign race two copies
    reported as an error.
  - liveclean removes the socket and address files and then rmdirs
    each directory, reporting leftovers, rather than deleting the
    temporary root recursively.
  - ibus_live_test now waits for the IPC socket and the address file
    by polling, dropping its inotify variant; it asserted only the
    address file before.
This commit is contained in:
Hojun-Cho
2026-08-16 16:42:50 +09:00
parent e1c36af9ba
commit 7220286ab5
12 changed files with 1223 additions and 3487 deletions
Download Patch File Download Diff File Expand all files Collapse all files

620
tests/ibus_live_test.c
View File

@@ -1,574 +1,23 @@
#define _GNU_SOURCE
#include <dbus/dbus.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <poll.h>
#include <signal.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/inotify.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include "live.h"
#include "livebus.h"
enum
{
Maxconnections = 64,
Calltimeout = 4000,
Starttimeout = 8000,
Stoptimeout = 3000,
};
typedef struct Daemon Daemon;
struct Daemon
{
pid_t pid;
int errfd;
char root[256];
char runtime[320];
char config[320];
char ibus[384];
char bus[448];
char home[320];
char socket[384];
char addrfile[512];
char address[512];
char err[4096];
size_t nerr;
};
static int
fail(char *fmt, ...)
{
va_list ap;
fprintf(stderr, "ibus_live_test: ");
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fputc('\n', stderr);
return 0;
}
static int64_t
nowms(void)
{
struct timespec ts;
if(clock_gettime(CLOCK_MONOTONIC, &ts) < 0)
return 0;
return (int64_t)ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
}
static int
leftms(int64_t deadline)
{
int64_t n;
n = deadline - nowms();
if(n <= 0)
return 0;
if(n > 0x7fffffff)
return 0x7fffffff;
return n;
}
static int
makedir(char *path)
{
if(mkdir(path, 0700) == 0)
return 1;
return fail("mkdir %s: %s", path, strerror(errno));
}
static void
readerrors(Daemon *d)
{
ssize_t n;
if(d->errfd < 0)
return;
while(d->nerr + 1 < sizeof d->err){
n = read(d->errfd, d->err + d->nerr,
sizeof d->err - d->nerr - 1);
if(n > 0){
d->nerr += n;
continue;
}
if(n < 0 && errno == EINTR)
continue;
break;
}
d->err[d->nerr] = '\0';
}
static void
showerrors(Daemon *d)
{
readerrors(d);
if(d->nerr != 0)
fprintf(stderr, "ibus_live_test: daemon stderr:\n%s", d->err);
}
static int
readaddress(Daemon *d)
{
FILE *fp;
char line[768], *p;
long pid;
int haveaddr, havepid;
fp = fopen(d->addrfile, "r");
if(fp == NULL)
return fail("open %s: %s", d->addrfile, strerror(errno));
haveaddr = havepid = 0;
pid = -1;
while(fgets(line, sizeof line, fp) != NULL){
p = strchr(line, '\n');
if(p != NULL)
*p = '\0';
if(strncmp(line, "IBUS_ADDRESS=", 13) == 0){
if(snprintf(d->address, sizeof d->address, "%s", line + 13)
>= (int)sizeof d->address)
break;
haveaddr = d->address[0] != '\0';
}else if(strncmp(line, "IBUS_DAEMON_PID=", 16) == 0){
errno = 0;
pid = strtol(line + 16, &p, 10);
havepid = errno == 0 && *p == '\0';
}
}
if(fclose(fp) != 0)
return fail("close %s: %s", d->addrfile, strerror(errno));
if(!haveaddr || !havepid)
return fail("invalid IBus address file %s", d->addrfile);
if(pid != d->pid)
return fail("address file PID %ld, expected %ld", pid, (long)d->pid);
return 1;
}
static int
waitaddress(Daemon *d, int notifyfd)
{
struct pollfd pfd[2];
char buf[4096];
struct inotify_event *ev;
ssize_t n;
int i, status, timeout;
int64_t deadline;
deadline = nowms() + Starttimeout;
for(;;){
if(waitpid(d->pid, &status, WNOHANG) == d->pid){
d->pid = -1;
readerrors(d);
return fail("daemon exited before publishing IBus address");
}
timeout = leftms(deadline);
if(timeout == 0)
return fail("timed out waiting for IBus address file");
pfd[0].fd = notifyfd;
pfd[0].events = POLLIN;
pfd[0].revents = 0;
pfd[1].fd = d->errfd;
pfd[1].events = POLLIN;
pfd[1].revents = 0;
i = poll(pfd, 2, timeout);
if(i < 0 && errno == EINTR)
continue;
if(i < 0)
return fail("poll for IBus address: %s", strerror(errno));
if(i == 0)
continue;
if(pfd[1].revents != 0)
readerrors(d);
if(!(pfd[0].revents & POLLIN))
continue;
n = read(notifyfd, buf, sizeof buf);
if(n < 0 && (errno == EINTR || errno == EAGAIN))
continue;
if(n < 0)
return fail("read IBus directory watch: %s", strerror(errno));
for(i = 0; i < n; i += sizeof *ev + ev->len){
ev = (struct inotify_event*)(buf + i);
if(!(ev->mask & IN_MOVED_TO) || ev->len == 0)
continue;
if(snprintf(d->addrfile, sizeof d->addrfile, "%s/%s",
d->bus, ev->name) >= (int)sizeof d->addrfile)
return fail("IBus address path is too long");
return readaddress(d);
}
}
}
static int
startdaemon(Daemon *d, char *program, char *mapdir)
{
int fd, notifyfd, watch, errpipe[2];
long maxfd;
pid_t pid;
memset(d, 0, sizeof *d);
d->pid = -1;
d->errfd = -1;
snprintf(d->root, sizeof d->root, "/tmp/strans-ibus.XXXXXX");
if(mkdtemp(d->root) == NULL)
return fail("mkdtemp: %s", strerror(errno));
if(snprintf(d->runtime, sizeof d->runtime, "%s/runtime", d->root)
>= (int)sizeof d->runtime ||
snprintf(d->config, sizeof d->config, "%s/config", d->root)
>= (int)sizeof d->config ||
snprintf(d->ibus, sizeof d->ibus, "%s/ibus", d->config)
>= (int)sizeof d->ibus ||
snprintf(d->bus, sizeof d->bus, "%s/bus", d->ibus)
>= (int)sizeof d->bus ||
snprintf(d->home, sizeof d->home, "%s/home", d->root)
>= (int)sizeof d->home ||
snprintf(d->socket, sizeof d->socket, "%s/strans.sock", d->runtime)
>= (int)sizeof d->socket)
return fail("temporary path is too long");
if(!makedir(d->runtime) || !makedir(d->config) || !makedir(d->ibus) ||
!makedir(d->bus) || !makedir(d->home))
return 0;
notifyfd = inotify_init1(IN_CLOEXEC|IN_NONBLOCK);
if(notifyfd < 0)
return fail("inotify_init1: %s", strerror(errno));
watch = inotify_add_watch(notifyfd, d->bus, IN_MOVED_TO);
if(watch < 0){
close(notifyfd);
return fail("inotify_add_watch: %s", strerror(errno));
}
if(pipe2(errpipe, O_CLOEXEC|O_NONBLOCK) < 0){
close(notifyfd);
return fail("pipe2: %s", strerror(errno));
}
pid = fork();
if(pid < 0){
close(errpipe[0]);
close(errpipe[1]);
close(notifyfd);
return fail("fork: %s", strerror(errno));
}
if(pid == 0){
close(errpipe[0]);
close(notifyfd);
if(dup2(errpipe[1], STDOUT_FILENO) < 0 ||
dup2(errpipe[1], STDERR_FILENO) < 0)
_exit(126);
close(errpipe[1]);
if(close_range(3, UINT_MAX, 0) < 0){
maxfd = sysconf(_SC_OPEN_MAX);
if(maxfd < 0)
maxfd = 1024;
for(fd = 3; fd < maxfd; fd++)
close(fd);
}
if(setenv("XDG_RUNTIME_DIR", d->runtime, 1) < 0 ||
setenv("XDG_CONFIG_HOME", d->config, 1) < 0 ||
setenv("HOME", d->home, 1) < 0 || unsetenv("DISPLAY") < 0 ||
unsetenv("DBUS_SESSION_BUS_ADDRESS") < 0 ||
unsetenv("IBUS_ADDRESS") < 0 ||
unsetenv("IBUS_ADDRESS_FILE") < 0){
dprintf(STDERR_FILENO, "set daemon environment: %s\n",
strerror(errno));
_exit(126);
}
execl(program, program, mapdir, (char*)0);
dprintf(STDERR_FILENO, "exec %s: %s\n", program, strerror(errno));
_exit(127);
}
close(errpipe[1]);
d->pid = pid;
d->errfd = errpipe[0];
if(!waitaddress(d, notifyfd)){
inotify_rm_watch(notifyfd, watch);
close(notifyfd);
return 0;
}
inotify_rm_watch(notifyfd, watch);
close(notifyfd);
return 1;
}
static int
rmdirknown(char *path)
{
if(path[0] == '\0' || rmdir(path) == 0 || errno == ENOENT)
return 1;
return fail("rmdir %s: %s", path, strerror(errno));
}
static int
killdaemon(Daemon *d, int *status)
{
int err, n, ok;
ok = 1;
if(kill(d->pid, SIGKILL) < 0 && errno != ESRCH){
fail("kill -9 %ld: %s", (long)d->pid, strerror(errno));
ok = 0;
}
do
n = waitpid(d->pid, status, 0);
while(n < 0 && errno == EINTR);
if(n < 0 && errno == ECHILD){
d->pid = -1;
return ok;
}
if(n != d->pid){
err = errno;
fail("reap %ld after SIGKILL: %s", (long)d->pid,
n < 0 ? strerror(err) : "wrong child");
ok = 0;
}else
d->pid = -1;
return ok;
}
static int
stopdaemon(Daemon *d)
{
struct timespec pause;
int err, n, ok, reaped, status;
int64_t deadline;
ok = 1;
reaped = 0;
if(d->pid > 0){
do
n = waitpid(d->pid, &status, WNOHANG);
while(n < 0 && errno == EINTR);
if(n == d->pid){
fail("daemon exited before test termination with wait status %#x",
status);
d->pid = -1;
ok = 0;
}else if(n < 0){
err = errno;
fail("check daemon %ld: %s", (long)d->pid, strerror(err));
if(err == ECHILD)
d->pid = -1;
ok = 0;
}
}
if(d->pid > 0){
if(kill(d->pid, SIGTERM) < 0 && errno != ESRCH){
fail("kill %ld: %s", (long)d->pid, strerror(errno));
ok = 0;
}
pause.tv_sec = 0;
pause.tv_nsec = 10000000;
deadline = nowms() + Stoptimeout;
for(;;){
n = waitpid(d->pid, &status, WNOHANG);
if(n == d->pid){
reaped = 1;
d->pid = -1;
break;
}
if(n < 0 && errno == EINTR)
continue;
if(n < 0){
err = errno;
fail("waitpid %ld: %s", (long)d->pid, strerror(err));
if(err == ECHILD)
d->pid = -1;
ok = 0;
break;
}
if(leftms(deadline) == 0){
fail("daemon %ld did not stop after SIGTERM", (long)d->pid);
ok = 0;
if(!killdaemon(d, &status))
ok = 0;
break;
}
nanosleep(&pause, NULL);
readerrors(d);
}
if(reaped &&
!((WIFSIGNALED(status) && WTERMSIG(status) == SIGTERM) ||
(WIFEXITED(status) && WEXITSTATUS(status) == 1))){
fail("daemon exited with unexpected wait status %#x", status);
ok = 0;
}
}
readerrors(d);
if(d->errfd >= 0){
close(d->errfd);
d->errfd = -1;
}
if(d->socket[0] != '\0' && unlink(d->socket) < 0 && errno != ENOENT){
fail("remove IPC socket %s: %s", d->socket, strerror(errno));
ok = 0;
}
if(d->addrfile[0] != '\0' && unlink(d->addrfile) < 0 && errno != ENOENT){
fail("remove IBus address file %s: %s", d->addrfile,
strerror(errno));
ok = 0;
}
if(!rmdirknown(d->bus)) ok = 0;
if(!rmdirknown(d->ibus)) ok = 0;
if(!rmdirknown(d->config)) ok = 0;
if(!rmdirknown(d->runtime)) ok = 0;
if(!rmdirknown(d->home)) ok = 0;
if(!rmdirknown(d->root)) ok = 0;
return ok;
}
static DBusConnection*
openbus(char *address)
{
DBusConnection *conn;
DBusError err;
dbus_error_init(&err);
conn = dbus_connection_open_private(address, &err);
if(conn == NULL){
fail("connect to private IBus address: %s", err.message);
dbus_error_free(&err);
return NULL;
}
dbus_connection_set_exit_on_disconnect(conn, FALSE);
return conn;
}
static void
closebus(DBusConnection **conn)
{
if(*conn == NULL)
return;
dbus_connection_close(*conn);
dbus_connection_unref(*conn);
*conn = NULL;
}
static DBusMessage*
method(char *path, char *iface, char *member)
{
DBusMessage *m;
m = dbus_message_new_method_call("org.freedesktop.IBus", path,
iface, member);
if(m == NULL)
fail("allocate %s call: out of memory", member);
return m;
}
static DBusMessage*
sendcall(DBusConnection *conn, DBusMessage *m)
{
DBusMessage *reply;
DBusPendingCall *pending;
char member[64], path[128];
const char *s;
int timeout;
int64_t deadline;
if(m == NULL)
return NULL;
s = dbus_message_get_member(m);
snprintf(member, sizeof member, "%s", s != NULL ? s : "method");
s = dbus_message_get_path(m);
snprintf(path, sizeof path, "%s", s != NULL ? s : "path");
pending = NULL;
if(!dbus_connection_send_with_reply(conn, m, &pending, Calltimeout) ||
pending == NULL){
dbus_message_unref(m);
fail("queue %s on %s: out of memory", member, path);
return NULL;
}
dbus_message_unref(m);
deadline = nowms() + Calltimeout;
while(!dbus_pending_call_get_completed(pending)){
timeout = leftms(deadline);
if(timeout == 0){
fail("timed out waiting for %s on %s", member, path);
goto fail;
}
if(!dbus_connection_read_write_dispatch(conn, timeout)){
fail("connection closed waiting for %s on %s", member, path);
goto fail;
}
}
reply = dbus_pending_call_steal_reply(pending);
dbus_pending_call_unref(pending);
if(reply == NULL){
fail("%s on %s completed without a reply", member, path);
return NULL;
}
return reply;
fail:
dbus_pending_call_cancel(pending);
dbus_pending_call_unref(pending);
return NULL;
}
static int
hello(DBusConnection *conn)
{
DBusMessage *m, *reply;
DBusError err;
const char *name;
int ok;
m = dbus_message_new_method_call("org.freedesktop.DBus",
"/org/freedesktop/DBus", "org.freedesktop.DBus", "Hello");
reply = sendcall(conn, m);
if(reply == NULL)
return 0;
dbus_error_init(&err);
ok = dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_METHOD_RETURN &&
dbus_message_has_signature(reply, "s") &&
dbus_message_get_args(reply, &err, DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID) && name[0] == ':';
if(!ok)
fail("Hello returned an invalid reply");
dbus_error_free(&err);
dbus_message_unref(reply);
return ok;
}
static int
createcontext(DBusConnection *conn, char *buf, size_t nbuf)
{
DBusMessage *m, *reply;
DBusError err;
const char *client, *path;
int ok;
client = "ibus-live-test";
m = method("/org/freedesktop/IBus", "org.freedesktop.IBus",
"CreateInputContext");
if(m == NULL || !dbus_message_append_args(m, DBUS_TYPE_STRING, &client,
DBUS_TYPE_INVALID)){
if(m != NULL)
dbus_message_unref(m);
return fail("build CreateInputContext call");
}
reply = sendcall(conn, m);
if(reply == NULL)
return 0;
dbus_error_init(&err);
ok = dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_METHOD_RETURN &&
dbus_message_has_signature(reply, "o") &&
dbus_message_get_args(reply, &err, DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID) && path[0] == '/';
if(ok && buf != NULL && snprintf(buf, nbuf, "%s", path) >= (int)nbuf)
ok = 0;
if(!ok)
fail("CreateInputContext returned an invalid reply");
dbus_error_free(&err);
dbus_message_unref(reply);
return ok;
}
static int
invalidcall(DBusConnection *conn, char *path, char *member)
{
@@ -576,8 +25,7 @@ invalidcall(DBusConnection *conn, char *path, char *member)
const char *name;
int ok;
reply = sendcall(conn, method(path,
"org.freedesktop.IBus.InputContext", member));
reply = sendcall(conn, contextcall(path, member), member);
if(reply == NULL)
return 0;
name = dbus_message_get_error_name(reply);
@@ -585,7 +33,8 @@ invalidcall(DBusConnection *conn, char *path, char *member)
name != NULL && strcmp(name, DBUS_ERROR_INVALID_ARGS) == 0;
if(!ok)
fail("malformed %s returned %s, expected %s", member,
name != NULL ? name : "a non-error reply", DBUS_ERROR_INVALID_ARGS);
name != NULL ? name : "a non-error reply",
DBUS_ERROR_INVALID_ARGS);
dbus_message_unref(reply);
return ok;
}
@@ -647,7 +96,7 @@ overflowrejected(char *address)
}
static int
runcontract(Daemon *d)
runcontract(char *address)
{
static char *bad[] = {
"ProcessKeyEvent",
@@ -659,10 +108,11 @@ runcontract(Daemon *d)
char path[96];
int i, ok;
conn = openbus(d->address);
conn = openbus(address, "contract");
if(conn == NULL)
return 0;
ok = hello(conn) && createcontext(conn, path, sizeof path);
ok = hello(conn, NULL, 0, "contract Hello") &&
createcontext(conn, path, sizeof path, "contract context");
for(i = 0; ok && i < (int)(sizeof bad / sizeof bad[0]); i++)
ok = invalidcall(conn, path, bad[i]);
closebus(&conn);
@@ -670,7 +120,7 @@ runcontract(Daemon *d)
}
static int
runcapacity(Daemon *d)
runcapacity(char *address)
{
DBusConnection *conn[Maxconnections];
int i, ok;
@@ -679,19 +129,19 @@ runcapacity(Daemon *d)
conn[i] = NULL;
ok = 0;
for(i = 0; i < Maxconnections; i++){
conn[i] = openbus(d->address);
if(conn[i] == NULL || !hello(conn[i]))
conn[i] = openbus(address, "capacity");
if(conn[i] == NULL || !hello(conn[i], NULL, 0, "capacity Hello"))
goto out;
}
if(!overflowrejected(d->address))
if(!overflowrejected(address))
goto out;
closebus(&conn[Maxconnections-1]);
if(!createcontext(conn[0], NULL, 0))
if(!createcontext(conn[0], NULL, 0, "capacity context"))
goto out;
conn[Maxconnections-1] = openbus(d->address);
conn[Maxconnections-1] = openbus(address, "replacement");
if(conn[Maxconnections-1] == NULL ||
!hello(conn[Maxconnections-1]) ||
!createcontext(conn[Maxconnections-1], NULL, 0))
!hello(conn[Maxconnections-1], NULL, 0, "replacement Hello") ||
!createcontext(conn[Maxconnections-1], NULL, 0, "replacement context"))
goto out;
ok = 1;
out:
@@ -701,9 +151,8 @@ out:
}
static int
runclient(Daemon *d, char *program)
runclient(Live *l, char *address, char *program)
{
struct timespec pause;
pid_t pid, n;
int status;
int64_t deadline;
@@ -712,17 +161,15 @@ runclient(Daemon *d, char *program)
if(pid < 0)
return fail("fork official libibus client: %s", strerror(errno));
if(pid == 0){
if(setenv("XDG_RUNTIME_DIR", d->runtime, 1) < 0 ||
setenv("XDG_CONFIG_HOME", d->config, 1) < 0 ||
setenv("HOME", d->home, 1) < 0 ||
if(setenv("XDG_RUNTIME_DIR", l->runtime, 1) < 0 ||
setenv("XDG_CONFIG_HOME", l->config, 1) < 0 ||
setenv("HOME", l->home, 1) < 0 ||
unsetenv("IBUS_ADDRESS_FILE") < 0)
_exit(126);
execl(program, program, d->address, (char*)0);
execl(program, program, address, (char*)0);
dprintf(STDERR_FILENO, "exec %s: %s\n", program, strerror(errno));
_exit(127);
}
pause.tv_sec = 0;
pause.tv_nsec = 10000000;
deadline = nowms() + Starttimeout;
for(;;){
n = waitpid(pid, &status, WNOHANG);
@@ -740,7 +187,7 @@ runclient(Daemon *d, char *program)
while(n < 0 && errno == EINTR);
return 0;
}
nanosleep(&pause, NULL);
pausems(10);
}
if(!WIFEXITED(status) || WEXITSTATUS(status) != 0)
return fail("official libibus client exited with wait status %#x",
@@ -752,24 +199,33 @@ int
main(int argc, char **argv)
{
Daemon daemon;
Live live;
char address[512];
int capacity, ok;
testname = "ibus_live_test";
capacity = argc == 4 && strcmp(argv[1], "--capacity") == 0;
if(argc != 4){
fprintf(stderr, "usage: ibus_live_test strans mapdir libibus-client\n");
fprintf(stderr, " ibus_live_test --capacity strans mapdir\n");
return 2;
}
ok = startdaemon(&daemon, argv[capacity ? 2 : 1],
argv[capacity ? 3 : 2]);
daemoninit(&daemon, "daemon");
ok = livesetup(&live, "ibus") &&
startdaemon(&live, &daemon, argv[capacity ? 2 : 1],
argv[capacity ? 3 : 2]) &&
waitready(&live, &daemon, address, sizeof address);
if(ok)
ok = capacity ? runcapacity(&daemon) : runclient(&daemon, argv[3]);
if(ok && !capacity)
ok = runcontract(&daemon);
ok = capacity ? runcapacity(address) :
runclient(&live, address, argv[3]) && runcontract(address);
if(!ok)
showerrors(&daemon);
if(!stopdaemon(&daemon))
ok = 0;
if(!closeerrors(&daemon))
ok = 0;
if(!liveclean(&live))
ok = 0;
if(!ok)
return 1;
printf(capacity ? "ibus connection capacity: ok\n" :