time_cmd.c File Reference

Time commands. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ipxe/command.h>
#include <ipxe/parseopt.h>
#include <ipxe/timer.h>

Go to the source code of this file.

Data Structures
struct	time_options
	"time" options More...

Functions
	FILE_LICENCE (GPL2_OR_LATER)
static int	time_exec (int argc, char **argv)
	"time" command More...

Variables
static struct option_descriptor	time_opts [] = {}
	"time" option list More...
static struct command_descriptor	time_cmd
	"time" command descriptor More...
struct command time_command	__command
	"time" command More...

Detailed Description

Time commands.

Definition in file time_cmd.c.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER

)

time_exec()

static int time_exec ( int  argc, char **  argv  )

static

"time" command

Parameters

argc	Argument count
argv	Argument list

Return values

rc	Return status code

Definition at line 57 of file time_cmd.c.

                                               {
        struct time_options opts;
        unsigned long start;
        unsigned long elapsed;
        int decisecs;
        int rc;

        /* Parse options */
        if ( ( rc = parse_options ( argc, argv, &time_cmd, &opts ) ) != 0 )
                return rc;

        start = currticks();
        rc = execv ( argv[1], argv + 1 );
        elapsed = ( currticks() - start );
        decisecs = ( 10 * elapsed / TICKS_PER_SEC );

        printf ( "%s: %d.%ds\n", argv[0],
                 ( decisecs / 10 ), ( decisecs % 10 ) );

        return rc;
}

References currticks(), execv(), opts, parse_options(), printf(), rc, start, TICKS_PER_SEC, and time_cmd.

Variable Documentation

time_opts

struct option_descriptor time_opts[] = {}

static

"time" option list

Definition at line 43 of file time_cmd.c.

time_cmd

struct command_descriptor time_cmd

static

Initial value:

=
        COMMAND_DESC ( struct time_options, time_opts, 1, MAX_ARGUMENTS,
                       "<command>" )

"time" command descriptor

Definition at line 46 of file time_cmd.c.

Referenced by time_exec().

__command

struct command time_command __command

Initial value:

= {
        .name = "time",
        .exec = time_exec,
}

"time" command

Definition at line 80 of file time_cmd.c.