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#define _REENTRANT
// @(#)signal_thread.c 1.1 10/18/96
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <thread.h>
#include <synch.h>
#include <unistd.h>
void *handle (v)
void *v;
{
sigset_t set;
sigemptyset (&set);
sigaddset (&set, SIGINT);
for (;;)
if (sigwait (&set) != SIGINT)
perror ("sigwait"), exit (1);
else
fprintf (stderr, "got sigint!\n");
}
int
main (void)
{
int retval;
sigset_t set;
thread_t t_id;
sigemptyset (&set);
sigaddset (&set, SIGINT);
if (sigprocmask (SIG_BLOCK, &set, 0) == -1)
perror ("sigprocmask"), exit (1);
if (thr_sigsetmask (SIG_BLOCK, &set, 0) == -1)
perror ("sigprocmask"), exit (1);
if (thr_create (0, 0, handle, 0, THR_DETACHED, &t_id) != 0)
perror ("thr_create"), exit (1);
for (;;)
{
fprintf (stderr, "blocking for read in thread\n");
if (read (0, &retval, sizeof retval) != sizeof retval)
perror ("read");
}
fprintf (stderr, "I'm exiting!\n");
return 0;
}
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