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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <pthread.h>
#include "zdtmtst.h"
#define gettid() pthread_self()
const char *test_doc = "Create a few pthreads and test TLS + blocked signals\n";
const char *test_author = "Cyrill Gorcunov <gorcunov@openvz.org";
static __thread struct tls_data_s {
char *rand_string[10];
sigset_t blk_sigset;
} tls_data;
static task_waiter_t t1;
static task_waiter_t t2;
#ifdef CONFIG_MIPS
#ifndef SIGSTKFLT
#define SIGSTKFLT 16
#endif
#endif
static char *decode_signal(const sigset_t *s, char *buf)
{
buf[0] = '\0';
#define COLLECT(sig) \
do { \
if (sigismember(s, sig)) \
strcat(buf, #sig " "); \
} while (0)
COLLECT(SIGHUP);
COLLECT(SIGINT);
COLLECT(SIGQUIT);
COLLECT(SIGILL);
COLLECT(SIGTRAP);
COLLECT(SIGABRT);
COLLECT(SIGIOT);
COLLECT(SIGBUS);
COLLECT(SIGFPE);
COLLECT(SIGKILL);
COLLECT(SIGUSR1);
COLLECT(SIGSEGV);
COLLECT(SIGUSR2);
COLLECT(SIGPIPE);
COLLECT(SIGALRM);
COLLECT(SIGTERM);
COLLECT(SIGSTKFLT);
COLLECT(SIGCHLD);
COLLECT(SIGCONT);
COLLECT(SIGSTOP);
COLLECT(SIGTSTP);
COLLECT(SIGTTIN);
COLLECT(SIGTTOU);
COLLECT(SIGURG);
COLLECT(SIGXCPU);
COLLECT(SIGXFSZ);
COLLECT(SIGVTALRM);
COLLECT(SIGPROF);
COLLECT(SIGWINCH);
COLLECT(SIGIO);
COLLECT(SIGPOLL);
COLLECT(SIGPWR);
COLLECT(SIGSYS);
#undef COLLECT
return buf;
}
static void __show_sigset(int line, const sigset_t *s)
{
char buf[sizeof(sigset_t) * 2 + 1] = {};
decode_signal(s, buf);
test_msg("sigset at %4d: %s\n", line, buf);
}
#define show_sigset(set) __show_sigset(__LINE__, set)
static void *ch_thread_2(void *arg)
{
char __tls_data[sizeof(tls_data.rand_string)] = "XM5o:?B*[a";
int *results_map = arg;
sigset_t blk_sigset = {};
sigset_t new = {};
memcpy(tls_data.rand_string, __tls_data, sizeof(tls_data.rand_string));
sigemptyset(&blk_sigset);
pthread_sigmask(SIG_SETMASK, NULL, &blk_sigset);
sigaddset(&blk_sigset, SIGFPE);
pthread_sigmask(SIG_SETMASK, &blk_sigset, NULL);
memcpy(&tls_data.blk_sigset, &blk_sigset, sizeof(tls_data.blk_sigset));
show_sigset(&blk_sigset);
show_sigset(&tls_data.blk_sigset);
task_waiter_complete(&t2, 1);
task_waiter_wait4(&t2, 2);
if (memcmp(tls_data.rand_string, __tls_data, sizeof(tls_data.rand_string))) {
pr_perror("Failed to restore tls_data.rand_string in thread 2");
results_map[2] = -1;
} else
results_map[2] = 1;
if (memcmp(&tls_data.blk_sigset, &blk_sigset, sizeof(tls_data.blk_sigset))) {
pr_perror("Failed to restore tls_data.blk_sigset in thread 2");
results_map[4] = -1;
} else
results_map[4] = 1;
pthread_sigmask(SIG_SETMASK, NULL, &new);
if (memcmp(&tls_data.blk_sigset, &new, sizeof(tls_data.blk_sigset))) {
pr_perror("Failed to restore blk_sigset in thread 2");
results_map[6] = -1;
show_sigset(&tls_data.blk_sigset);
show_sigset(&new);
} else
results_map[6] = 1;
return NULL;
}
static void *ch_thread_1(void *arg)
{
char __tls_data[sizeof(tls_data.rand_string)] = "pffYQSBo?6";
int *results_map = arg;
sigset_t blk_sigset = {};
sigset_t new = {};
memcpy(tls_data.rand_string, __tls_data, sizeof(tls_data.rand_string));
sigemptyset(&blk_sigset);
pthread_sigmask(SIG_SETMASK, NULL, &blk_sigset);
sigaddset(&blk_sigset, SIGWINCH);
sigaddset(&blk_sigset, SIGALRM);
pthread_sigmask(SIG_SETMASK, &blk_sigset, NULL);
memcpy(&tls_data.blk_sigset, &blk_sigset, sizeof(tls_data.blk_sigset));
show_sigset(&blk_sigset);
show_sigset(&tls_data.blk_sigset);
task_waiter_complete(&t1, 1);
task_waiter_wait4(&t1, 2);
if (memcmp(tls_data.rand_string, __tls_data, sizeof(tls_data.rand_string))) {
pr_perror("Failed to restore tls_data.rand_string in thread 1");
results_map[1] = -1;
} else
results_map[1] = 1;
if (memcmp(&tls_data.blk_sigset, &blk_sigset, sizeof(tls_data.blk_sigset))) {
pr_perror("Failed to restore tls_data.blk_sigset in thread 1");
results_map[3] = -1;
} else
results_map[3] = 1;
sigemptyset(&new);
pthread_sigmask(SIG_SETMASK, NULL, &new);
if (memcmp(&tls_data.blk_sigset, &new, sizeof(tls_data.blk_sigset))) {
pr_perror("Failed to restore blk_sigset in thread 1");
results_map[5] = -1;
show_sigset(&tls_data.blk_sigset);
show_sigset(&new);
} else
results_map[5] = 1;
return NULL;
}
int main(int argc, char *argv[])
{
pthread_t thread_1, thread_2;
int *results_map;
int rc1, rc2;
test_init(argc, argv);
task_waiter_init(&t1);
task_waiter_init(&t2);
test_msg("%s pid %d\n", argv[0], getpid());
results_map = mmap(NULL, 1024, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
if ((void *)results_map == MAP_FAILED) {
fail("Can't map");
exit(1);
}
rc1 = pthread_create(&thread_1, NULL, &ch_thread_1, results_map);
rc2 = pthread_create(&thread_2, NULL, &ch_thread_2, results_map);
if (rc1 | rc2) {
fail("Can't pthread_create");
exit(1);
}
test_msg("Waiting until all threads are created\n");
task_waiter_wait4(&t1, 1);
task_waiter_wait4(&t2, 1);
test_daemon();
test_waitsig();
task_waiter_complete(&t1, 2);
task_waiter_complete(&t2, 2);
test_msg("Waiting while all threads are joined\n");
pthread_join(thread_1, NULL);
pthread_join(thread_2, NULL);
if (results_map[1] == 1 && results_map[2] == 1 && results_map[3] == 1 && results_map[4] == 1 &&
results_map[5] == 1 && results_map[6] == 1)
pass();
else
fail();
return 0;
}
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