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Unclean shutdown on SIGINT / SIGTERM (#3308)

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* libs/common: TrapSignal accepts logger as a first parameter

 and does not block anymore
* previously it was dumping "captured ..." msg to os.Stdout
* TrapSignal should not be responsible for blocking thread of execution

Refs #3238

* exit with zero (0) code upon receiving SIGTERM/SIGINT

Refs #3238

* fix formatting in docs/app-dev/abci-cli.md

Co-Authored-By: melekes <anton.kalyaev@gmail.com>

* fix formatting in docs/app-dev/abci-cli.md

Co-Authored-By: melekes <anton.kalyaev@gmail.com>
This commit is contained in:
Anton Kaliaev
2019-02-23 19:48:28 +04:00
committed by Ethan Buchman
parent 41f91318e9
commit cdf3a74f48
12 changed files with 103 additions and 86 deletions
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19
tools/tm-bench/main.go
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@ -4,14 +4,13 @@ import (
"flag"
"fmt"
"os"
"os/signal"
"strings"
"sync"
"syscall"
"time"
"github.com/go-kit/kit/log/term"
cmn "github.com/tendermint/tendermint/libs/common"
"github.com/tendermint/tendermint/libs/log"
tmrpc "github.com/tendermint/tendermint/rpc/client"
)
@ -94,18 +93,12 @@ Examples:
"broadcast_tx_"+broadcastTxMethod,
)
// Quit when interrupted or received SIGTERM.
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
go func() {
for sig := range c {
fmt.Printf("captured %v, exiting...\n", sig)
for _, t := range transacters {
t.Stop()
}
os.Exit(1)
// Stop upon receiving SIGTERM or CTRL-C.
cmn.TrapSignal(logger, func() {
for _, t := range transacters {
t.Stop()
}
}()
})
// Wait until transacters have begun until we get the start time.
timeStart := time.Now()