virtual void execProgram() const {
if (hasEnvOption("PASSENGER_RUN_HELPER_AGENT_IN_VALGRIND", false)) {
execlp("valgrind", "valgrind", "--dsymutil=yes",
helperAgentFilename.c_str(), (char *) 0);
} else {
execl(helperAgentFilename.c_str(), "PassengerHelperAgent", (char *) 0);
}
}
virtual void execProgram() const {
if (hasEnvOption("PASSENGER_RUN_CORE_IN_VALGRIND", false)) {
execlp("valgrind", "valgrind", "--dsymutil=yes", "--track-origins=yes", "--leak-check=full",
agentFilename.c_str(), "core",
// Some extra space to allow the child process to change its process title.
" ", (char *) 0);
} else {
execl(agentFilename.c_str(), AGENT_EXE, "core",
// Some extra space to allow the child process to change its process title.
" ", (char *) 0);
}
}
VariantMap
initializeAgent(int argc, char *argv[], const char *processName) {
VariantMap options;
const char *seedStr;
seedStr = getenv("PASSENGER_RANDOM_SEED");
if (seedStr == NULL || *seedStr == '\0') {
randomSeed = (unsigned int) time(NULL);
} else {
randomSeed = (unsigned int) atoll(seedStr);
}
srand(randomSeed);
srandom(randomSeed);
ignoreSigpipe();
if (hasEnvOption("PASSENGER_ABORT_HANDLER", true)) {
shouldDumpWithCrashWatch = hasEnvOption("PASSENGER_DUMP_WITH_CRASH_WATCH", true);
beepOnAbort = hasEnvOption("PASSENGER_BEEP_ON_ABORT", false);
stopOnAbort = hasEnvOption("PASSENGER_STOP_ON_ABORT", false);
IGNORE_SYSCALL_RESULT(pipe(emergencyPipe1));
IGNORE_SYSCALL_RESULT(pipe(emergencyPipe2));
installAbortHandler();
}
oxt::initialize();
setup_syscall_interruption_support();
if (getenv("PASSENGER_SIMULATE_SYSCALL_FAILURES")) {
initializeSyscallFailureSimulation(processName);
}
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
TRACE_POINT();
try {
if (argc == 1) {
int e;
switch (fdIsSocket(FEEDBACK_FD)) {
case FISR_YES:
_feedbackFdAvailable = true;
options.readFrom(FEEDBACK_FD);
if (options.getBool("fire_and_forget", false)) {
_feedbackFdAvailable = false;
close(FEEDBACK_FD);
}
break;
case FISR_NO:
fprintf(stderr,
"You're not supposed to start this program from the command line. "
"It's used internally by Phusion Passenger.\n");
exit(1);
break;
case FISR_ERROR:
e = errno;
fprintf(stderr,
"Encountered an error in feedback file descriptor 3: %s (%d)\n",
strerror(e), e);
exit(1);
break;
}
} else {
options.readFrom((const char **) argv + 1, argc - 1);
}
#ifdef __linux__
if (options.has("passenger_root")) {
ResourceLocator locator(options.get("passenger_root", true));
string ruby = options.get("default_ruby", false, DEFAULT_RUBY);
string path = ruby + " \"" + locator.getHelperScriptsDir() +
"/backtrace-sanitizer.rb\"";
backtraceSanitizerCommand = strdup(path.c_str());
}
#endif
if (backtraceSanitizerCommand == NULL) {
backtraceSanitizerCommand = "c++filt -n";
backtraceSanitizerPassProgramInfo = false;
}
options.setDefaultInt("log_level", DEFAULT_LOG_LEVEL);
setLogLevel(options.getInt("log_level"));
if (!options.get("debug_log_file", false).empty()) {
if (strcmp(processName, "PassengerWatchdog") == 0) {
/* Have the watchdog set STDOUT and STDERR to the debug
* log file so that system abort() calls that stuff
* are properly logged.
*/
string filename = options.get("debug_log_file");
options.erase("debug_log_file");
int fd = open(filename.c_str(), O_CREAT | O_WRONLY | O_APPEND, 0644);
if (fd == -1) {
int e = errno;
throw FileSystemException("Cannot open debug log file " +
filename, e, filename);
}
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
close(fd);
} else {
setDebugFile(options.get("debug_log_file").c_str());
}
}
} catch (const tracable_exception &e) {
P_ERROR("*** ERROR: " << e.what() << "\n" << e.backtrace());
exit(1);
}
// Change process title.
argv0 = strdup(argv[0]);
strncpy(argv[0], processName, strlen(argv[0]));
for (int i = 1; i < argc; i++) {
memset(argv[i], '\0', strlen(argv[i]));
}
P_DEBUG("Random seed: " << randomSeed);
return options;
}
VariantMap
initializeAgent(int argc, char *argv[], const char *processName) {
TRACE_POINT();
VariantMap options;
ignoreSigpipe();
if (hasEnvOption("PASSENGER_ABORT_HANDLER", true)) {
installAbortHandler();
}
setup_syscall_interruption_support();
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
try {
if (argc == 1) {
int ret = fcntl(FEEDBACK_FD, F_GETFL);
if (ret == -1) {
if (errno == EBADF) {
fprintf(stderr,
"You're not supposed to start this program from the command line. "
"It's used internally by Phusion Passenger.\n");
exit(1);
} else {
int e = errno;
fprintf(stderr,
"Encountered an error in feedback file descriptor 3: %s (%d)\n",
strerror(e), e);
exit(1);
}
} else {
_feedbackFdAvailable = true;
options.readFrom(FEEDBACK_FD);
if (options.getBool("fire_and_forget", false)) {
_feedbackFdAvailable = false;
close(FEEDBACK_FD);
}
}
} else {
options.readFrom((const char **) argv + 1, argc - 1);
}
setLogLevel(options.getInt("log_level", false, 0));
if (!options.get("debug_log_file", false).empty()) {
if (strcmp(processName, "PassengerWatchdog") == 0) {
/* Have the watchdog set STDOUT and STDERR to the debug
* log file so that system abort() calls that stuff
* are properly logged.
*/
string filename = options.get("debug_log_file");
options.erase("debug_log_file");
int fd = open(filename.c_str(), O_CREAT | O_WRONLY | O_APPEND, 0644);
if (fd == -1) {
int e = errno;
throw FileSystemException("Cannot open debug log file " +
filename, e, filename);
}
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
close(fd);
} else {
setDebugFile(options.get("debug_log_file").c_str());
}
}
} catch (const tracable_exception &e) {
P_ERROR("*** ERROR: " << e.what() << "\n" << e.backtrace());
exit(1);
}
// Change process title.
strncpy(argv[0], processName, strlen(argv[0]));
for (int i = 1; i < argc; i++) {
memset(argv[i], '\0', strlen(argv[i]));
}
return options;
}
