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
|
/* COVERAGE: kill */
#define _GNU_SOURCE
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
#include <sys/syscall.h>
// To test for glibc support for kill:
// _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _POSIX_SOURCE
#define GLIBC_SUPPORT \
(_POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _POSIX_SOURCE)
int main()
{
sigset_t mask;
struct sigaction sa;
pid_t pid;
// Ignore SIGUSR1
signal(SIGUSR1, SIG_IGN);
pid = getpid();
// Be sure we're in our own process group.
setpgid(0, 0);
#ifdef GLIBC_SUPPORT
kill(pid, SIGUSR1);
//staptest// kill (NNNN, SIGUSR1) = 0
// Normally We couldn't call kill() with -1 for a pid, since that
// would send a signal to the make process and kill it. However,
// since we also use an invalid signal number, this shouldn't cause
// that problem.
kill(-1, -1);
//staptest// kill (-1, 0xffffffff) = -NNNN
kill(pid, -1);
//staptest// kill (NNNN, 0xffffffff) = -NNNN
#endif
return 0;
}
|
