static void thread_func2(void *k) {
int fd;
fail_unless((fd = pa_autospawn_lock_init()) >= 0);
pa_log("%i, Trying to acquire lock.", PA_PTR_TO_INT(k));
for (;;) {
struct pollfd pollfd;
int j;
if ((j = pa_autospawn_lock_acquire(false)) > 0)
break;
fail_unless(j == 0);
memset(&pollfd, 0, sizeof(pollfd));
pollfd.fd = fd;
pollfd.events = POLLIN;
fail_unless(pa_poll(&pollfd, 1, -1) == 1);
pa_log("%i, woke up", PA_PTR_TO_INT(k));
}
pa_log("%i, Got the lock!, Sleeping for 5s", PA_PTR_TO_INT(k));
pa_msleep(5000);
pa_log("%i, Releasing", PA_PTR_TO_INT(k));
pa_autospawn_lock_release();
pa_autospawn_lock_done(false);
}
static int poll_func(struct pollfd *ufds, unsigned long nfds, int timeout, void *userdata) {
pa_mutex *mutex = userdata;
int r;
pa_assert(mutex);
/* Before entering poll() we unlock the mutex, so that
* avahi_simple_poll_quit() can succeed from another thread. */
pa_mutex_unlock(mutex);
r = pa_poll(ufds, nfds, timeout);
pa_mutex_lock(mutex);
return r;
}
static void wait_for_ping(void) {
ssize_t s;
char x;
struct pollfd pfd;
int k;
pa_assert(pipe_fd[0] >= 0);
memset(&pfd, 0, sizeof(pfd));
pfd.fd = pipe_fd[0];
pfd.events = POLLIN;
if ((k = pa_poll(&pfd, 1, -1)) != 1) {
pa_assert(k < 0);
pa_assert(errno == EINTR);
} else if ((s = read(pipe_fd[0], &x, 1)) != 1) {
pa_assert(s < 0);
pa_assert(errno == EAGAIN);
}
}
int main(int argc, char*argv[]) {
pid_t pid;
int fd = -1;
int ret = 1, i;
struct sockaddr_un sa;
char *ibuf = NULL;
char *obuf = NULL;
size_t buf_size, ibuf_size, ibuf_index, ibuf_length, obuf_size, obuf_index, obuf_length;
char *cli;
bool ibuf_eof, obuf_eof, ibuf_closed, obuf_closed;
struct pollfd pollfd[3];
struct pollfd *watch_socket, *watch_stdin, *watch_stdout;
int stdin_type = 0, stdout_type = 0, fd_type = 0;
char *bn = NULL;
int c;
static const struct option long_options[] = {
{"version", 0, NULL, ARG_VERSION},
{"help", 0, NULL, 'h'},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
#ifdef ENABLE_NLS
bindtextdomain(GETTEXT_PACKAGE, PULSE_LOCALEDIR);
#endif
bn = pa_path_get_filename(argv[0]);
while ((c = getopt_long(argc, argv, "h", long_options, NULL)) != -1) {
switch (c) {
case 'h' :
help(bn);
ret = 0;
goto quit;
case ARG_VERSION:
printf(_("pacmd %s\n"
"Compiled with libpulse %s\n"
"Linked with libpulse %s\n"),
PACKAGE_VERSION,
pa_get_headers_version(),
pa_get_library_version());
ret = 0;
goto quit;
default:
goto quit;
}
}
if (pa_pid_file_check_running(&pid, "pulseaudio") < 0) {
pa_log(_("No PulseAudio daemon running, or not running as session daemon."));
goto quit;
}
if ((fd = pa_socket_cloexec(PF_UNIX, SOCK_STREAM, 0)) < 0) {
pa_log(_("socket(PF_UNIX, SOCK_STREAM, 0): %s"), strerror(errno));
goto quit;
}
pa_zero(sa);
sa.sun_family = AF_UNIX;
if (!(cli = pa_runtime_path("cli")))
goto quit;
pa_strlcpy(sa.sun_path, cli, sizeof(sa.sun_path));
pa_xfree(cli);
for (i = 0; i < 5; i++) {
int r;
if ((r = connect(fd, (struct sockaddr*) &sa, sizeof(sa))) < 0 && (errno != ECONNREFUSED && errno != ENOENT)) {
pa_log(_("connect(): %s"), strerror(errno));
goto quit;
}
if (r >= 0)
break;
if (pa_pid_file_kill(SIGUSR2, NULL, "pulseaudio") < 0) {
pa_log(_("Failed to kill PulseAudio daemon."));
goto quit;
}
pa_msleep(300);
}
if (i >= 5) {
pa_log(_("Daemon not responding."));
goto quit;
}
buf_size = pa_pipe_buf(fd);
ibuf_size = PA_MIN(buf_size, pa_pipe_buf(STDIN_FILENO));
ibuf = pa_xmalloc(ibuf_size);
obuf_size = PA_MIN(buf_size, pa_pipe_buf(STDOUT_FILENO));
obuf = pa_xmalloc(obuf_size);
ibuf_index = ibuf_length = obuf_index = obuf_length = 0;
ibuf_eof = obuf_eof = ibuf_closed = obuf_closed = false;
if (argc > 1) {
for (i = 1; i < argc; i++) {
size_t k;
k = PA_MIN(ibuf_size - ibuf_length, strlen(argv[i]));
memcpy(ibuf + ibuf_length, argv[i], k);
ibuf_length += k;
if (ibuf_length < ibuf_size) {
ibuf[ibuf_length] = i < argc-1 ? ' ' : '\n';
ibuf_length++;
}
}
ibuf_eof = true;
}
if (!ibuf_eof && isatty(STDIN_FILENO)) {
/* send hello to enable interactive mode (welcome message, prompt) */
if (pa_write(fd, "hello\n", 6, &fd_type) < 0) {
pa_log(_("write(): %s"), strerror(errno));
goto quit;
}
}
for (;;) {
struct pollfd *p;
if (ibuf_eof &&
obuf_eof &&
ibuf_length <= 0 &&
obuf_length <= 0)
break;
if (ibuf_length <= 0 && ibuf_eof && !ibuf_closed) {
shutdown(fd, SHUT_WR);
ibuf_closed = true;
}
if (obuf_length <= 0 && obuf_eof && !obuf_closed) {
shutdown(fd, SHUT_RD);
obuf_closed = true;
}
pa_zero(pollfd);
p = pollfd;
if (ibuf_length > 0 || (!obuf_eof && obuf_length <= 0)) {
watch_socket = p++;
watch_socket->fd = fd;
watch_socket->events =
(ibuf_length > 0 ? POLLOUT : 0) |
(!obuf_eof && obuf_length <= 0 ? POLLIN : 0);
} else
watch_socket = NULL;
if (!ibuf_eof && ibuf_length <= 0) {
watch_stdin = p++;
watch_stdin->fd = STDIN_FILENO;
watch_stdin->events = POLLIN;
} else
watch_stdin = NULL;
if (obuf_length > 0) {
watch_stdout = p++;
watch_stdout->fd = STDOUT_FILENO;
watch_stdout->events = POLLOUT;
} else
watch_stdout = NULL;
if (pa_poll(pollfd, p-pollfd, -1) < 0) {
if (errno == EINTR)
continue;
pa_log(_("poll(): %s"), strerror(errno));
goto quit;
}
if (watch_stdin) {
if (watch_stdin->revents & POLLIN) {
ssize_t r;
pa_assert(ibuf_length <= 0);
if ((r = pa_read(STDIN_FILENO, ibuf, ibuf_size, &stdin_type)) <= 0) {
if (r < 0) {
pa_log(_("read(): %s"), strerror(errno));
goto quit;
}
ibuf_eof = true;
} else {
ibuf_length = (size_t) r;
ibuf_index = 0;
}
} else if (watch_stdin->revents & POLLHUP)
ibuf_eof = true;
}
if (watch_socket) {
if (watch_socket->revents & POLLIN) {
ssize_t r;
pa_assert(obuf_length <= 0);
if ((r = pa_read(fd, obuf, obuf_size, &fd_type)) <= 0) {
if (r < 0) {
pa_log(_("read(): %s"), strerror(errno));
goto quit;
}
obuf_eof = true;
} else {
obuf_length = (size_t) r;
obuf_index = 0;
}
} else if (watch_socket->revents & POLLHUP)
obuf_eof = true;
}
if (watch_stdout) {
if (watch_stdout->revents & POLLHUP) {
obuf_eof = true;
obuf_length = 0;
} else if (watch_stdout->revents & POLLOUT) {
ssize_t r;
pa_assert(obuf_length > 0);
if ((r = pa_write(STDOUT_FILENO, obuf + obuf_index, obuf_length, &stdout_type)) < 0) {
pa_log(_("write(): %s"), strerror(errno));
goto quit;
}
obuf_length -= (size_t) r;
obuf_index += obuf_index;
}
}
if (watch_socket) {
if (watch_socket->revents & POLLHUP) {
ibuf_eof = true;
ibuf_length = 0;
} if (watch_socket->revents & POLLOUT) {
ssize_t r;
pa_assert(ibuf_length > 0);
if ((r = pa_write(fd, ibuf + ibuf_index, ibuf_length, &fd_type)) < 0) {
pa_log(_("write(): %s"), strerror(errno));
goto quit;
}
ibuf_length -= (size_t) r;
ibuf_index += obuf_index;
}
}
}
ret = 0;
quit:
if (fd >= 0)
pa_close(fd);
pa_xfree(obuf);
pa_xfree(ibuf);
return ret;
}
