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/* Program to produce output at regular intervals. */
#include <../src/config.h>
#if __STDC__ || defined(STDC_HEADERS)
#include <stdlib.h>
#include <unistd.h>
#endif
#include <stdio.h>
#include <sys/types.h>
#ifdef WINDOWSNT
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef sleep
#define sleep(t) Sleep ((t) * 1000)
#define getppid() (0)
#undef HAVE_SYS_TIME_H
#endif /* WINDOWSNT */
#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
int
main (int argc, char *argv[])
{
int period = 60;
if (argc > 1)
period = atoi (argv[1]);
while (1)
{
/* Make sure wakeup stops when Emacs goes away. */
if (getppid () == 1)
return 0;
printf ("Wake up!\n");
/* If fflush fails, then our stdout pipe is broken. */
if (fflush (stdout) != 0)
return 0;
/* If using a period of 60, produce the output when the minute
changes. */
if (period == 60)
{
time_t when;
struct tm *tp;
time (&when);
tp = localtime (&when);
sleep (60 - tp->tm_sec);
}
else
sleep (period);
}
}
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