[go: up one dir, main page]

File: s-longjmp3.c

package info (click to toggle)
uftrace 0.9.0-1
  • links: PTS
  • area: main
  • in suites: buster
  • size: 3,896 kB
  • sloc: ansic: 41,425; python: 7,369; makefile: 698; asm: 488; cpp: 461; sh: 349
file content (49 lines) | stat: -rw-r--r-- 531 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
#include <setjmp.h>
#include <unistd.h>

jmp_buf env1;
jmp_buf env2;

int foo(int i)
{
	if (i == 1)
		longjmp(env1, 1);
	else
		longjmp(env2, 3);
	return 0;
}

int baz(int i)
{
	if (i == 1)
		longjmp(env1, 2);
	else
		longjmp(env2, 4);
	return 0;
}

int bar(int i)
{
	return baz(i);
}

int main(int argc, char *argv[])
{
	int ret;

	ret = setjmp(env1);
	getpid();
	if (ret == 0)
		ret = setjmp(env2);

	if (ret == 0)
		foo(1);
	else if (ret == 1)
		bar(1);
	else if (ret == 2)
		foo(2);
	else if (ret == 3)
		bar(2);

	return 0;
}