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#include "apue.h"
static void sig_usr(int); /* one handler for both signals */
int
main(void)
{
if (signal(SIGUSR1, sig_usr) == SIG_ERR)
err_sys("can't catch SIGUSR1");
if (signal(SIGUSR2, sig_usr) == SIG_ERR)
err_sys("can't catch SIGUSR2");
for ( ; ; )
pause();
}
static void
sig_usr(int signo) /* argument is signal number */
{
if (signo == SIGUSR1)
printf("received SIGUSR1\n");
else if (signo == SIGUSR2)
printf("received SIGUSR2\n");
else
err_dump("received signal %d\n", signo);
}
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