fluencelabs/redis
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Module API for Forking

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* create module API for forking child processes.
* refactor duplicate code around creating and tracking forks by AOF and RDB.
* child processes listen to SIGUSR1 and dies exitFromChild in order to
  eliminate a valgrind warning of unhandled signal.
* note that BGSAVE error reply has changed.

valgrind error is:
  Process terminating with default action of signal 10 (SIGUSR1)
This commit is contained in:
Oran Agra
2019-07-17 08:51:02 +03:00
parent 4b2579a064
commit 56258c6b7d
15 changed files with 342 additions and 91 deletions

3
src/scripting.c

@ -1693,7 +1693,7 @@ void ldbSendLogs(void) {
int ldbStartSession(client *c) {
ldb.forked = (c->flags & CLIENT_LUA_DEBUG_SYNC) == 0;
if (ldb.forked) {
pid_t cp = fork();
pid_t cp = redisFork();
if (cp == -1) {
addReplyError(c,"Fork() failed: can't run EVAL in debugging mode.");
return 0;
@ -1710,7 +1710,6 @@ int ldbStartSession(client *c) {
* socket to make sure if the parent crashes a reset is sent
* to the clients. */
serverLog(LL_WARNING,"Redis forked for debugging eval");
closeListeningSockets(0);
} else {
/* Parent */
listAddNodeTail(ldb.children,(void*)(unsigned long)cp);