Never used function stringObjectEqualsMs() removed.

[redis.git] / src / redis.c

diff --git a/src/redis.c b/src/redis.c
index e8d89a986073487d772bd93c2351170a338f8a1d..bdbec7a39b263a7f85d2665d5885eaad8a0e5a20 100644 (file)
--- a/src/redis.c
+++ b/src/redis.c
@@ -48,6 +48,7 @@
 #include <float.h>
 #include <math.h>
 #include <sys/resource.h>
+#include <sys/utsname.h>
 
 /* Our shared "common" objects */
 
@@ -61,6 +62,9 @@ double R_Zero, R_PosInf, R_NegInf, R_Nan;
 
 /*================================= Globals ================================= */
 
+/* Alternate stack for SIGSEGV/etc handlers */
+char altstack[SIGSTKSZ];
+
 /* Global vars */
 struct redisServer server; /* server global state */
 struct redisCommand *commandTable;
@@ -1083,7 +1087,7 @@ void initServerConfig() {
     server.repl_syncio_timeout = REDIS_REPL_SYNCIO_TIMEOUT;
     server.repl_serve_stale_data = 1;
     server.repl_slave_ro = 1;
-    server.repl_down_since = -1;
+    server.repl_down_since = time(NULL);
 
     /* Client output buffer limits */
     server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_NORMAL].hard_limit_bytes = 0;
@@ -1739,12 +1743,16 @@ sds genRedisInfoString(char *section) {
 
     /* Server */
     if (allsections || defsections || !strcasecmp(section,"server")) {
+        struct utsname name;
+
         if (sections++) info = sdscat(info,"\r\n");
+        uname(&name);
         info = sdscatprintf(info,
             "# Server\r\n"
             "redis_version:%s\r\n"
             "redis_git_sha1:%s\r\n"
             "redis_git_dirty:%d\r\n"
+            "os:%s %s %s\r\n"
             "arch_bits:%d\r\n"
             "multiplexing_api:%s\r\n"
             "gcc_version:%d.%d.%d\r\n"
@@ -1757,6 +1765,7 @@ sds genRedisInfoString(char *section) {
             REDIS_VERSION,
             redisGitSHA1(),
             strtol(redisGitDirty(),NULL,10) > 0,
+            name.sysname, name.release, name.machine,
             server.arch_bits,
             aeGetApiName(),
 #ifdef __GNUC__
@@ -1826,14 +1835,16 @@ sds genRedisInfoString(char *section) {
             "bgsave_in_progress:%d\r\n"
             "last_save_time:%ld\r\n"
             "last_bgsave_status:%s\r\n"
-            "bgrewriteaof_in_progress:%d\r\n",
+            "bgrewriteaof_in_progress:%d\r\n"
+            "bgrewriteaof_scheduled:%d\r\n",
             server.loading,
             server.aof_state != REDIS_AOF_OFF,
             server.dirty,
             server.rdb_child_pid != -1,
             server.lastsave,
             server.lastbgsave_status == REDIS_OK ? "ok" : "err",
-            server.aof_child_pid != -1);
+            server.aof_child_pid != -1,
+            server.aof_rewrite_scheduled);
 
         if (server.aof_state != REDIS_AOF_OFF) {
             info = sdscatprintf(info,
@@ -2323,15 +2334,24 @@ static void sigtermHandler(int sig) {
 
 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. */
     sigemptyset(&act.sa_mask);
-    act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND;
+    act.sa_flags = 0;
     act.sa_handler = sigtermHandler;
     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_sigaction = sigsegvHandler;