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#include "common/config.h"
#include "common/signal.h"
#include "global/signal_handler.h"
#include "common/debug.h"
#include "include/coredumpctl.h"
#include "gtest/gtest.h"
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include "include/ceph_assert.h"
#define dout_context g_ceph_context
static volatile sig_atomic_t got_sigusr1 = 0;
static void handle_sigusr1(int signo)
{
got_sigusr1 = 1;
}
TEST(SignalApi, SimpleInstall)
{
install_sighandler(SIGPIPE, handle_sigusr1, 0);
}
TEST(SignalApi, SimpleInstallAndTest)
{
install_sighandler(SIGPIPE, handle_sigusr1, 0);
// SIGPIPE starts out blocked
int ret = kill(getpid(), SIGPIPE);
ASSERT_EQ(ret, 0);
ASSERT_EQ(got_sigusr1, 0);
// handle SIGPIPE
sigset_t mask;
sigemptyset(&mask);
ret = sigsuspend(&mask);
if (ret == -1)
ret = errno;
// we should have gotten it
ASSERT_EQ(ret, EINTR);
ASSERT_EQ(got_sigusr1, 1);
}
TEST(SignalEffects, ErrnoTest1)
{
}
bool usr1 = false;
bool usr2 = false;
void reset()
{
usr1 = false;
usr2 = false;
}
void testhandler(int signal)
{
switch (signal) {
case SIGUSR1:
usr1 = true;
break;
case SIGUSR2:
usr2 = true;
break;
default:
ceph_abort_msg("unexpected signal");
}
}
TEST(SignalHandler, Single)
{
reset();
init_async_signal_handler();
register_async_signal_handler(SIGUSR1, testhandler);
ASSERT_TRUE(usr1 == false);
int ret = kill(getpid(), SIGUSR1);
ASSERT_EQ(ret, 0);
sleep(1);
ASSERT_TRUE(usr1 == true);
unregister_async_signal_handler(SIGUSR1, testhandler);
shutdown_async_signal_handler();
}
TEST(SignalHandler, Multiple)
{
int ret;
reset();
init_async_signal_handler();
register_async_signal_handler(SIGUSR1, testhandler);
register_async_signal_handler(SIGUSR2, testhandler);
ASSERT_TRUE(usr1 == false);
ASSERT_TRUE(usr2 == false);
ret = kill(getpid(), SIGUSR1);
ASSERT_EQ(ret, 0);
ret = kill(getpid(), SIGUSR2);
ASSERT_EQ(ret, 0);
sleep(1);
ASSERT_TRUE(usr1 == true);
ASSERT_TRUE(usr2 == true);
unregister_async_signal_handler(SIGUSR1, testhandler);
unregister_async_signal_handler(SIGUSR2, testhandler);
shutdown_async_signal_handler();
}
TEST(SignalHandler, LogInternal)
{
g_ceph_context->_log->inject_segv();
{
PrCtl unset_dumpable;
ASSERT_DEATH(derr << "foo" << dendl, ".*");
}
g_ceph_context->_log->reset_segv();
}
/*
TEST(SignalHandler, MultipleBigFd)
{
int ret;
for (int i = 0; i < 1500; i++)
::open(".", O_RDONLY);
reset();
init_async_signal_handler();
register_async_signal_handler(SIGUSR1, testhandler);
register_async_signal_handler(SIGUSR2, testhandler);
ASSERT_TRUE(usr1 == false);
ASSERT_TRUE(usr2 == false);
ret = kill(getpid(), SIGUSR1);
ASSERT_EQ(ret, 0);
ret = kill(getpid(), SIGUSR2);
ASSERT_EQ(ret, 0);
sleep(1);
ASSERT_TRUE(usr1 == true);
ASSERT_TRUE(usr2 == true);
unregister_async_signal_handler(SIGUSR1, testhandler);
unregister_async_signal_handler(SIGUSR2, testhandler);
shutdown_async_signal_handler();
}
*/
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