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Fixed child process signal behaviours. (#128)

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* Restored signal handlers upon fork().
* Improved error handling of hpfs process kill scenario.
* Set pgid for forked processes for graceful sending of SIGINT.
This commit is contained in:
Ravin Perera
2020-09-26 21:39:26 +05:30
committed by GitHub
parent 05f356f6e0
commit 4d920a9219
9 changed files with 36 additions and 23 deletions
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11
src/main.cpp
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@@ -67,12 +67,12 @@ int parse_cmd(int argc, char **argv)
*/
void deinit()
{
usr::deinit();
p2p::deinit();
cons::deinit();
state_sync::deinit();
state_serve::deinit();
read_req::deinit();
usr::deinit();
p2p::deinit();
hpfs::deinit();
}
@@ -190,8 +190,9 @@ int main(int argc, char **argv)
<< (conf::cfg.startup_mode == conf::OPERATING_MODE::OBSERVER ? "Observer" : "Proposer");
LOG_INFO << "Public key: " << conf::cfg.pubkeyhex.substr(2); // Public key without 'ed' prefix.
if (hpfs::init() != 0 || p2p::init() != 0 || usr::init() != 0 || read_req::init() != 0 ||
state_serve::init() != 0 || state_sync::init() != 0 || cons::init() != 0)
if (hpfs::init() != 0 || read_req::init() != 0 ||
state_serve::init() != 0 || state_sync::init() != 0 || cons::init() != 0 ||
p2p::init() != 0 || usr::init() != 0)
{
deinit();
return -1;
@@ -203,7 +204,7 @@ int main(int argc, char **argv)
// Wait until consensus thread finishes.
cons::wait();
// deinit() here only gets called when there is an error in consensus.
// deinit() here only gets called when there is an error in consensus.
// If not deinit in the sigint handler is called when a SIGINT is received.
deinit();
}