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Merge pull request #869 from mariadb-corporation/MCOL-3436

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MCOL-3436: Modify signal handling to not shutdown on non term or core signals.
This commit is contained in:
Andrew Hutchings
2019-09-25 17:45:05 +01:00
committed by GitHub
parent 32108e69e8 70f4ffe8c2
commit 64f3fc950b
2 changed files with 15 additions and 7 deletions
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3
storage-manager/CMakeLists.txt
View File

@ -1,7 +1,7 @@
cmake_minimum_required(VERSION 2.8.12)
project(storagemanager)
include_directories(include ${CMAKE_BINARY_DIR}/include)
include_directories(include ${CMAKE_BINARY_DIR}/include ${ENGINE_UTILS_COMMON_INCLUDE})
set(storagemanager_SRCS
src/AppendTask.cpp
@ -34,6 +34,7 @@ set(storagemanager_SRCS
src/Utilities.cpp
src/Ownership.cpp
src/PrefixCache.cpp
../utils/common/crashtrace.cpp
)
option(SM_TRACE "Enable some tracing output" OFF)

19
storage-manager/src/main.cpp
View File

@ -34,6 +34,7 @@ using namespace std;
#include "Cache.h"
#include "Synchronizer.h"
#include "Replicator.h"
#include "crashtrace.h"
using namespace storagemanager;
@ -58,7 +59,10 @@ void printKPIs(int sig)
void shutdownSM(int sig)
{
if (!signalCaught)
{
(SessionManager::get())->shutdownSM(sig);
fatalHandler(sig);
}
signalCaught = true;
}
@ -74,12 +78,15 @@ int main(int argc, char** argv)
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
for (int i=1; i<SIGRTMAX; i++)
{
sa.sa_handler = shutdownSM;
if (i != SIGCONT && i != SIGKILL && i != SIGSTOP)
sigaction(i, &sa, NULL);
}
std::vector<int> shutdownSignals{ SIGHUP, SIGINT, SIGQUIT, SIGILL,
SIGTRAP, SIGABRT, SIGBUS, SIGFPE,
SIGSEGV, SIGALRM, SIGTERM, SIGXCPU,
SIGXFSZ, SIGVTALRM, SIGPROF, SIGPOLL,
SIGPWR, SIGSYS};
sa.sa_handler = shutdownSM;
for (int sig : shutdownSignals)
sigaction(sig, &sa, NULL);
sa.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &sa, NULL);