30 lines
514 B
C
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 ); }
|