ack/util/int/test/set.c
1988-06-24 15:40:41 +00:00

30 lines
514 B
C

/* $Header$ */
/*
Test combination of signal and setjmp/longjmp
*/
#include <setjmp.h>
#include <signal.h>
jmp_buf jb;
void a(), b();
main()
{
char c;
signal( SIGINT, a );
signal( SIGQUIT, b );
switch( setjmp( jb ) ) {
case 0: write( 1, "start\n", 6 ); break;
case 1: write( 1, "int\n", 4 ); break;
case 2: write( 1, "quit\n", 5 ); break;
}
while(read(0, &c, 1));
}
void a(){ signal( SIGINT, a ); longjmp( jb, 1 ); }
void b(){ signal( SIGQUIT, b ); longjmp( jb, 2 ); }