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/*
* Time Shell Command Implmentation
*
* Author: Chris Johns <chrisj@rtems.org>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <rtems.h>
#include <rtems/shell.h>
#include <rtems/inttypes.h>
#include "internal.h"
static int rtems_shell_main_time(
int argc,
char *argv[]
)
{
int errorlevel = 0;
struct timespec start;
struct timespec end;
struct timespec period;
rtems_status_code sc;
argc--;
sc = rtems_clock_get_uptime(&start);
if (sc != RTEMS_SUCCESSFUL)
fprintf(stderr, "error: cannot read time\n");
if (argc) {
errorlevel = rtems_shell_execute_cmd(argv[1], argc, &argv[1]);
}
sc = rtems_clock_get_uptime(&end);
if (sc != RTEMS_SUCCESSFUL)
fprintf(stderr, "error: cannot read time\n");
period.tv_sec = end.tv_sec - start.tv_sec;
period.tv_nsec = end.tv_nsec - start.tv_nsec;
if (period.tv_nsec < 0)
{
--period.tv_sec;
period.tv_nsec += 1000000000UL;
}
fprintf(stderr, "time: %" PRIdtime_t ":%02" PRIdtime_t ":%02" PRIdtime_t ".%03li\n",
period.tv_sec / 3600,
period.tv_sec / 60, period.tv_sec % 60,
period.tv_nsec / 1000000);
return errorlevel;
}
rtems_shell_cmd_t rtems_shell_TIME_Command = {
.name = "time",
.usage = "time command [arguments...]",
.topic = "misc",
.command = rtems_shell_main_time,
.mode = S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH
};
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