compute-runtime/shared/test/common/os_interface/linux/signal_utils.cpp

142 lines
4.3 KiB
C++

/*
* Copyright (C) 2022-2024 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/test/common/libult/signal_utils.h"
#include "gtest/gtest.h"
#include <time.h>
#include <unistd.h>
std::string lastTest("");
namespace NEO {
extern const unsigned int ultIterationMaxTimeInS;
extern const char *executionName;
} // namespace NEO
int newStdOut = -1;
struct sigaction oldSigAbrt;
void handleSIGABRT(int signal) {
if (newStdOut != -1) {
dup2(newStdOut, 1);
}
std::cout << "SIGABRT in " << NEO::executionName << ", on: " << lastTest << std::endl;
if (sigaction(SIGABRT, &oldSigAbrt, nullptr) == -1) {
std::cout << "FATAL: cannot fatal SIGABRT handler" << std::endl;
std::cout << "FATAL: try SEGV" << std::endl;
uint8_t *ptr = nullptr;
*ptr = 0;
std::cout << "FATAL: still alive, call exit()" << std::endl;
exit(-1);
}
raise(signal);
}
struct timespec startTimeSpec = {};
struct timespec alrmTimeSpec = {};
void handleSIGALRM(int signal) {
if (newStdOut != -1) {
dup2(newStdOut, 1);
}
std::cout << "Tests timeout in " << NEO::executionName << ", ";
if (clock_gettime(CLOCK_MONOTONIC_RAW, &alrmTimeSpec) == 0) {
auto deltaSec = alrmTimeSpec.tv_sec - startTimeSpec.tv_sec;
std::cout << " after: " << deltaSec << " seconds";
}
std::cout << " on: " << lastTest << std::endl;
abort();
}
void handleSIGSEGV(int signal) {
if (newStdOut != -1) {
dup2(newStdOut, 1);
}
std::cout << "SIGSEGV in " << NEO::executionName << ", on: " << lastTest << std::endl;
abort();
}
int setAbrt(bool enableAbrt) {
std::cout << "enable SIGABRT handler: " << enableAbrt << std::endl;
struct sigaction sa;
sa.sa_handler = &handleSIGABRT;
sa.sa_flags = SA_RESTART;
sigfillset(&sa.sa_mask);
if (sigaction(SIGABRT, &sa, &oldSigAbrt) == -1) {
std::cout << "FATAL ERROR: cannot intercept SIGABRT" << std::endl;
return -2;
}
if (newStdOut == -1) {
newStdOut = dup(1);
}
return 0;
}
int setAlarm(bool enableAlarm) {
std::cout << "enable SIGALRM handler: " << enableAlarm << std::endl;
if (enableAlarm) {
std::string envVar = std::string("NEO_") + NEO::executionName + "_DISABLE_TEST_ALARM";
char *envValue = getenv(envVar.c_str());
if (envValue != nullptr) {
enableAlarm = false;
std::cout << "WARNING: SIGALRM handler disabled by environment variable: " << envVar << std::endl;
}
}
if (enableAlarm) {
if (clock_gettime(CLOCK_MONOTONIC_RAW, &startTimeSpec)) {
startTimeSpec.tv_sec = 0;
}
auto currentUltIterationMaxTimeInS = NEO::ultIterationMaxTimeInS;
std::string envVar = std::string("NEO_") + NEO::executionName + "_ITERATION_MAX_TIME";
auto ultIterationMaxTimeInSEnv = getenv(envVar.c_str());
if (ultIterationMaxTimeInSEnv != nullptr) {
currentUltIterationMaxTimeInS = atoi(ultIterationMaxTimeInSEnv);
} else {
ultIterationMaxTimeInSEnv = getenv("NEO_ULT_ITERATION_MAX_TIME");
if (ultIterationMaxTimeInSEnv != nullptr) {
currentUltIterationMaxTimeInS = atoi(ultIterationMaxTimeInSEnv);
}
}
unsigned int alarmTime = currentUltIterationMaxTimeInS * ::testing::GTEST_FLAG(repeat);
struct sigaction sa;
sa.sa_handler = &handleSIGALRM;
sa.sa_flags = SA_RESTART;
sigfillset(&sa.sa_mask);
if (sigaction(SIGALRM, &sa, NULL) == -1) {
std::cout << "FATAL ERROR: cannot intercept SIGALRM" << std::endl;
return -2;
}
if (newStdOut == -1) {
newStdOut = dup(1);
}
alarm(alarmTime);
std::cout << "set timeout to: " << alarmTime << " seconds" << std::endl;
}
return 0;
}
int setSegv(bool enableSegv) {
std::cout << "enable SIGSEGV handler: " << enableSegv << std::endl;
struct sigaction sa;
sa.sa_handler = &handleSIGSEGV;
sa.sa_flags = SA_RESTART;
sigfillset(&sa.sa_mask);
if (sigaction(SIGSEGV, &sa, NULL) == -1) {
std::cout << "FATAL ERROR: cannot intercept SIGSEGV" << std::endl;
return -2;
}
if (newStdOut == -1) {
newStdOut = dup(1);
}
return 0;
}
void cleanupSignals() {}