mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-24 07:20:37 +00:00
51 lines
840 B
C
51 lines
840 B
C
/* Program to produce output at regular intervals. */
|
|
|
|
#include <config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
|
|
#ifdef TIME_WITH_SYS_TIME
|
|
#include <sys/time.h>
|
|
#include <time.h>
|
|
#else
|
|
#ifdef HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#else
|
|
#include <time.h>
|
|
#endif
|
|
#endif
|
|
|
|
struct tm *localtime ();
|
|
|
|
main (argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int period = 60;
|
|
time_t when;
|
|
struct tm *tp;
|
|
|
|
if (argc > 1)
|
|
period = atoi (argv[1]);
|
|
|
|
while (1)
|
|
{
|
|
/* Make sure wakeup stops when Emacs goes away. */
|
|
if (getppid () == 1)
|
|
exit (0);
|
|
printf ("Wake up!\n");
|
|
fflush (stdout);
|
|
/* If using a period of 60, produce the output when the minute
|
|
changes. */
|
|
if (period == 60)
|
|
{
|
|
time (&when);
|
|
tp = localtime (&when);
|
|
sleep (60 - tp->tm_sec);
|
|
}
|
|
else
|
|
sleep (period);
|
|
}
|
|
}
|