/*================================= Globals ================================= */
-/* Alternate stack for SIGSEGV/etc handlers */
-char altstack[SIGSTKSZ];
-
/* Global vars */
struct redisServer server; /* server global state */
struct redisCommand *commandTable;
/* Lua script too slow? Only allow SHUTDOWN NOSAVE and SCRIPT KILL. */
if (server.lua_timedout &&
- !(c->cmd->proc != shutdownCommand &&
+ !(c->cmd->proc == shutdownCommand &&
c->argc == 2 &&
tolower(((char*)c->argv[1]->ptr)[0]) == 'n') &&
!(c->cmd->proc == scriptCommand &&
void setupSignalHandlers(void) {
struct sigaction act;
- stack_t stack;
-
- stack.ss_sp = altstack;
- stack.ss_flags = 0;
- stack.ss_size = SIGSTKSZ;
-
- sigaltstack(&stack, NULL);
/* When the SA_SIGINFO flag is set in sa_flags then sa_sigaction is used.
* Otherwise, sa_handler is used. */
sigaction(SIGTERM, &act, NULL);
#ifdef HAVE_BACKTRACE
- /* Use alternate stack so we don't clobber stack in case of segv, or when we run out of stack ..
- * also resethand & nodefer so we can get interrupted (and killed) if we cause SEGV during SEGV handler */
sigemptyset(&act.sa_mask);
- act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND | SA_SIGINFO;
+ act.sa_flags = SA_NODEFER | SA_RESETHAND | SA_SIGINFO;
act.sa_sigaction = sigsegvHandler;
sigaction(SIGSEGV, &act, NULL);
sigaction(SIGBUS, &act, NULL);