view rvinterf/tmsh/oneshot.c @ 248:cb1ba53a1106

beginning of factored-out libserial
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 21 Sep 2017 21:43:34 +0000
parents 27c41e4b21ae
children
line wrap: on
line source

/*
 * This module implements the one-shot mode of operation for fc-tmsh.
 */

#include <sys/types.h>
#include <sys/errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "exitcodes.h"

extern int oneshot_nowait;
extern int sock;
extern int got_tm_response;

oneshot_command(argc, argv)
	char **argv;
{
	fd_set fds;
	int rc;

	if (!oneshot_nowait)
		init();		/* to catch the response properly */
	rc = dispatch_oneshot_cmd(argc, argv);
	if (rc)
		exit(rc);
	if (oneshot_nowait)
		exit(0);
	/* wait for response */
	for (;;) {
		FD_ZERO(&fds);
		FD_SET(sock, &fds);
		rc = select(sock+1, &fds, 0, 0, 0);
		if (rc < 0) {
			if (errno == EINTR)
				continue;
			perror("select");
			exit(ERROR_UNIX);
		}
		if (FD_ISSET(sock, &fds))
			handle_rvinterf_input();
		if (got_tm_response)
			exit(0);
	}
}