/*
* proc_wait --
* Wait for one of the processes.
*
* !!!
* The pid_t type varies in size from a short to a long depending on the
* system. It has to be cast into something or the standard promotion
* rules get you. I'm using a long based on the belief that nobody is
* going to make it unsigned and it's unlikely to be a quad.
*
* PUBLIC: int proc_wait __P((SCR *, long, const char *, int, int));
*/
int
proc_wait(SCR *sp, long int pid, const char *cmd, int silent, int okpipe)
{
size_t len;
int nf, pstat;
char *p;
/* Wait for the utility, ignoring interruptions. */
for (;;) {
errno = 0;
if (waitpid((pid_t)pid, &pstat, 0) != -1)
break;
if (errno != EINTR) {
msgq(sp, M_SYSERR, "waitpid");
return (1);
}
}
/*
* Display the utility's exit status. Ignore SIGPIPE from the
* parent-writer, as that only means that the utility chose to
* exit before reading all of its input.
*/
if (WIFSIGNALED(pstat) && (!okpipe || WTERMSIG(pstat) != SIGPIPE)) {
for (; isblank((unsigned char)*cmd); ++cmd);
p = msg_print(sp, cmd, &nf);
len = strlen(p);
msgq(sp, M_ERR, "%.*s%s: received signal: %s%s",
(int)MIN(len, 20), p, len > 20 ? " ..." : "",
sigmsg(WTERMSIG(pstat)),
WCOREDUMP(pstat) ? "; core dumped" : "");
if (nf)
FREE_SPACE(sp, p, 0);
return (1);
}
if (WIFEXITED(pstat) && WEXITSTATUS(pstat)) {
/*
* Remain silent for "normal" errors when doing shell file
* name expansions, they almost certainly indicate nothing
* more than a failure to match.
*
* Remain silent for vi read filter errors. It's historic
* practice.
*/
if (!silent) {
for (; isblank((unsigned char)*cmd); ++cmd);
p = msg_print(sp, cmd, &nf);
len = strlen(p);
msgq(sp, M_ERR, "%.*s%s: exited with status %d",
(int)MIN(len, 20), p, len > 20 ? " ..." : "",
WEXITSTATUS(pstat));
if (nf)
FREE_SPACE(sp, p, 0);
}
return (1);
}
return (0);
}
ControlClient::ControlClient(QHostAddress server, quint16 port, QObject *parent) :
QObject(parent),
_serveraddr(server),
_port(port)
{
// here not really keepalive because ctlserver just close socket
_request = new TcpRequest(this, 1);
connect(_request, SIGNAL(sigmsg(QString)), this, SLOT(servermsg(QString)));
_raspcmd_prefix = "raspivid";
_supportcmds << "start" << "stop" << "change" << "record" << "get_records"
<< "rm_records" << "get_vodport" << "get_currparams";
_dftwaitmsec = 100;
}
