static void setup(void)
{
struct sigaction sigptr;
page_sz = getpagesize();
/*
* Used as hint for mmap thread, so it doesn't interfere
* with other potential (temporary) mappings from libc
*/
distant_area = SAFE_MMAP(0, DISTANT_MMAP_SIZE, PROT_WRITE | PROT_READ,
MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
SAFE_MUNMAP(distant_area, (size_t)DISTANT_MMAP_SIZE);
distant_area += DISTANT_MMAP_SIZE / 2;
if (tst_parse_float(str_exec_time, &exec_time, 0, FLT_MAX)) {
tst_brk(TBROK, "Invalid number for exec_time '%s'",
str_exec_time);
}
sigptr.sa_sigaction = sig_handler;
sigemptyset(&sigptr.sa_mask);
sigptr.sa_flags = SA_SIGINFO | SA_NODEFER;
SAFE_SIGACTION(SIGSEGV, &sigptr, NULL);
tst_set_timeout((int)(exec_time * 3600));
}
static int fork_testrun(void)
{
int status;
if (tst_test->timeout)
tst_set_timeout(tst_test->timeout);
else
tst_set_timeout(300);
SAFE_SIGNAL(SIGINT, sigint_handler);
test_pid = fork();
if (test_pid < 0)
tst_brk(TBROK | TERRNO, "fork()");
if (!test_pid) {
SAFE_SIGNAL(SIGALRM, SIG_DFL);
SAFE_SIGNAL(SIGUSR1, SIG_DFL);
SAFE_SIGNAL(SIGINT, SIG_DFL);
SAFE_SETPGID(0, 0);
testrun();
}
SAFE_WAITPID(test_pid, &status, 0);
alarm(0);
SAFE_SIGNAL(SIGINT, SIG_DFL);
if (WIFEXITED(status) && WEXITSTATUS(status))
return WEXITSTATUS(status);
if (WIFSIGNALED(status) && WTERMSIG(status) == SIGKILL) {
tst_res(TINFO, "If you are running on slow machine, "
"try exporting LTP_TIMEOUT_MUL > 1");
tst_brk(TBROK, "Test killed! (timeout?)");
}
if (WIFSIGNALED(status))
tst_brk(TBROK, "Test killed by %s!", tst_strsig(WTERMSIG(status)));
return 0;
}
