mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-13 00:30:07 +00:00
116 lines
2.3 KiB
C
116 lines
2.3 KiB
C
#include <sched.h>
|
|
#include <signal.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
|
|
#ifndef TEST_CLONE_FLAGS
|
|
#define TEST_CLONE_FLAGS 0
|
|
#endif
|
|
|
|
static int sig;
|
|
|
|
static int
|
|
f (void *a)
|
|
{
|
|
puts ("in f");
|
|
union sigval sival;
|
|
sival.sival_int = getpid ();
|
|
printf ("pid = %d\n", sival.sival_int);
|
|
if (sigqueue (getppid (), sig, sival) != 0)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
int mypid = getpid ();
|
|
|
|
sig = SIGRTMIN;
|
|
sigset_t ss;
|
|
sigemptyset (&ss);
|
|
sigaddset (&ss, sig);
|
|
if (sigprocmask (SIG_BLOCK, &ss, NULL) != 0)
|
|
{
|
|
printf ("sigprocmask failed: %m\n");
|
|
return 1;
|
|
}
|
|
|
|
#ifdef __ia64__
|
|
extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base,
|
|
size_t __child_stack_size, int __flags,
|
|
void *__arg, ...);
|
|
char st[256 * 1024] __attribute__ ((aligned));
|
|
pid_t p = __clone2 (f, st, sizeof (st), TEST_CLONE_FLAGS, 0);
|
|
#else
|
|
char st[128 * 1024] __attribute__ ((aligned));
|
|
pid_t p = clone (f, st + sizeof (st), TEST_CLONE_FLAGS, 0);
|
|
#endif
|
|
if (p == -1)
|
|
{
|
|
printf("clone failed: %m\n");
|
|
return 1;
|
|
}
|
|
printf ("new thread: %d\n", (int) p);
|
|
|
|
siginfo_t si;
|
|
do
|
|
if (sigwaitinfo (&ss, &si) < 0)
|
|
{
|
|
printf("sigwaitinfo failed: %m\n");
|
|
kill (p, SIGKILL);
|
|
return 1;
|
|
}
|
|
while (si.si_signo != sig || si.si_code != SI_QUEUE);
|
|
|
|
int e;
|
|
if (waitpid (p, &e, __WCLONE) != p)
|
|
{
|
|
puts ("waitpid failed");
|
|
kill (p, SIGKILL);
|
|
return 1;
|
|
}
|
|
if (!WIFEXITED (e))
|
|
{
|
|
if (WIFSIGNALED (e))
|
|
printf ("died from signal %s\n", strsignal (WTERMSIG (e)));
|
|
else
|
|
puts ("did not terminate correctly");
|
|
return 1;
|
|
}
|
|
if (WEXITSTATUS (e) != 0)
|
|
{
|
|
printf ("exit code %d\n", WEXITSTATUS (e));
|
|
return 1;
|
|
}
|
|
|
|
if (si.si_int != (int) p)
|
|
{
|
|
printf ("expected PID %d, got si_int %d\n", (int) p, si.si_int);
|
|
kill (p, SIGKILL);
|
|
return 1;
|
|
}
|
|
|
|
if (si.si_pid != p)
|
|
{
|
|
printf ("expected PID %d, got si_pid %d\n", (int) p, (int) si.si_pid);
|
|
kill (p, SIGKILL);
|
|
return 1;
|
|
}
|
|
|
|
if (getpid () != mypid)
|
|
{
|
|
puts ("my PID changed");
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|