void sigsegvHandler(int sig, siginfo_t *info, void *secret) {
ucontext_t *uc = (ucontext_t*) secret;
struct sigaction act;
PREZ_NOTUSED(info);
bugReportStart();
prezLog(PREZ_WARNING,
" prez %s crashed by signal: %d", PREZ_VERSION, sig);
prezLog(PREZ_WARNING,
" Failed assertion: %s (%s:%d)", server.assert_failed,
server.assert_file, server.assert_line);
/* Log the stack trace */
prezLog(PREZ_WARNING, "--- STACK TRACE");
logStackTrace(uc);
/* Log dump of processor registers */
logRegisters(uc);
prezLog(PREZ_WARNING,
"\n=== PREZ BUG REPORT END. Make sure to include from START to END. ===\n\n"
);
/* free(messages); Don't call free() with possibly corrupted memory. */
if (server.daemonize) unlink(server.pidfile);
/* Make sure we exit with the right signal at the end. So for instance
* the core will be dumped if enabled. */
sigemptyset (&act.sa_mask);
act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND;
act.sa_handler = SIG_DFL;
sigaction (sig, &act, NULL);
kill(getpid(),sig);
}
void _ugAssert(char *estr, char *file, int line) {
bugReportStart();
LOG_WARNING("=== ASSERTION FAILED ===");
LOG_WARNING("==> %s:%d '%s' is not true",file,line,estr);
#ifdef HAVE_BACKTRACE
LOG_WARNING("(forcing SIGSEGV in order to print the stack trace)");
#endif
*((char *)-1) = 'x';
}
void _ugPanic(char *msg, char *file, int line) {
bugReportStart();
LOG_WARNING("------------------------------------------------");
LOG_WARNING("!!! Software Failure. Press left mouse button to continue");
LOG_WARNING("Guru Meditation: %s #%s:%d",msg,file,line);
#ifdef HAVE_BACKTRACE
LOG_WARNING("(forcing SIGSEGV in order to print the stack trace)");
#endif
LOG_WARNING("------------------------------------------------");
*((char *)-1) = 'x';
}
void _prezAssert(char *estr, char *file, int line) {
bugReportStart();
prezLog(PREZ_WARNING,"=== ASSERTION FAILED ===");
prezLog(PREZ_WARNING,"==> %s:%d '%s' is not true",file,line,estr);
#ifdef HAVE_BACKTRACE
server.assert_failed = estr;
server.assert_file = file;
server.assert_line = line;
prezLog(PREZ_WARNING,"(forcing SIGSEGV to print the bug report.)");
#endif
*((char*)-1) = 'x';
}
void _prezAssertPrintClientInfo(prezClient *c) {
int j;
bugReportStart();
prezLog(PREZ_WARNING,"=== ASSERTION FAILED CLIENT CONTEXT ===");
//prezLog(PREZ_WARNING,"client->flags = %d", c->flags);
prezLog(PREZ_WARNING,"client->fd = %d", c->fd);
prezLog(PREZ_WARNING,"client->argc = %d", c->argc);
for (j=0; j < c->argc; j++) {
char buf[128];
char *arg;
if (c->argv[j]->type == PREZ_STRING && sdsEncodedObject(c->argv[j])) {
arg = (char*) c->argv[j]->ptr;
} else {
snprintf(buf,sizeof(buf),"Object type: %d, encoding: %d",
c->argv[j]->type, c->argv[j]->encoding);
arg = buf;
}
prezLog(PREZ_WARNING,"client->argv[%d] = \"%s\" (refcount: %d)",
j, arg, c->argv[j]->refcount);
}
}
void _prezAssertPrintObject(robj *o) {
bugReportStart();
prezLog(PREZ_WARNING,"=== ASSERTION FAILED OBJECT CONTEXT ===");
prezLogObjectDebugInfo(o);
}
void sigsegvHandler(int sig, siginfo_t *info, void *secret) {
ucontext_t *uc = (ucontext_t*) secret;
sds infostring, clients;
struct sigaction act;
UNUSED(info);
bugReportStart();
serverLog(LL_WARNING,
" Disque %s crashed by signal: %d", DISQUE_VERSION, sig);
serverLog(LL_WARNING,
" Failed assertion: %s (%s:%d)", server.assert_failed,
server.assert_file, server.assert_line);
/* Log the stack trace */
serverLog(LL_WARNING, "--- STACK TRACE");
logStackTrace(uc);
/* Log INFO and CLIENT LIST */
serverLog(LL_WARNING, "--- INFO OUTPUT");
infostring = genDisqueInfoString("all");
infostring = sdscatprintf(infostring, "hash_init_value: %u\n",
dictGetHashFunctionSeed());
serverLogRaw(LL_WARNING, infostring);
serverLog(LL_WARNING, "--- CLIENT LIST OUTPUT");
clients = getAllClientsInfoString();
serverLogRaw(LL_WARNING, clients);
sdsfree(infostring);
sdsfree(clients);
/* Log the current client */
logCurrentClient();
/* Log dump of processor registers */
logRegisters(uc);
#if defined(HAVE_PROC_MAPS)
/* Test memory */
serverLog(LL_WARNING, "--- FAST MEMORY TEST");
bioKillThreads();
if (memtest_test_linux_anonymous_maps()) {
serverLog(LL_WARNING,
"!!! MEMORY ERROR DETECTED! Check your memory ASAP !!!");
} else {
serverLog(LL_WARNING,
"Fast memory test PASSED, however your memory can still be broken. Please run a memory test for several hours if possible.");
}
#endif
serverLog(LL_WARNING,
"\n=== DISQUE BUG REPORT END. Make sure to include from START to END. ===\n\n"
" Please report the crash by opening an issue on github:\n\n"
" http://github.com/antirez/disque/issues\n\n"
" Suspect RAM error? Use disque-server --test-memory to verify it.\n\n"
);
/* free(messages); Don't call free() with possibly corrupted memory. */
if (server.daemonize) unlink(server.pidfile);
/* Make sure we exit with the right signal at the end. So for instance
* the core will be dumped if enabled. */
sigemptyset (&act.sa_mask);
act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND;
act.sa_handler = SIG_DFL;
sigaction (sig, &act, NULL);
kill(getpid(),sig);
}
void _serverAssertPrintObject(robj *o) {
bugReportStart();
serverLog(LL_WARNING,"=== ASSERTION FAILED OBJECT CONTEXT ===");
serverLogObjectDebugInfo(o);
}