forked from Imagelibrary/rtems
7eada71e1b
Use this information to determine if a command is visible to the current user and if the current user is allowed to execute this command.
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/*
|
|
* 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 "internal.h"
|
|
|
|
/* Helper macro to print "time_t" */
|
|
#if SIZEOF_TIME_T == 8
|
|
#define PRIdtime_t PRId64
|
|
#elif SIZEOF_TIME_T == 4
|
|
#define PRIdtime_t PRId32
|
|
#else
|
|
#error "PRIdtime_t: unsupported size of time_t"
|
|
#endif
|
|
|
|
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
|
|
};
|