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Feature: Faster start & stop times (#648)

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* Updates starting and stopping routines to be a bit more parallel with less waiting required

* Removes stop, removes debugging output

* linting and test fixes

* Add extra kill switch for exiting on exchange loading delay

* Fixes fun math

* breaks loop instead of switch. Moves param warns higher

* Removes unceccary gos. passes in cfg to remove data race

* Removes os signal processing. Fixes bad master merge
This commit is contained in:
Scott
2021-03-23 10:18:57 +11:00
committed by GitHub
parent 46f71952f9
commit 3c72a199f2
18 changed files with 209 additions and 200 deletions
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23
gctscript/vm/manager.go
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@@ -16,7 +16,6 @@ const gctscriptManagerName = "GCTScript"
type GctScriptManager struct {
config *Config
started int32
stopped int32
shutdown chan struct{}
// Optional values to override stored config ('nil' if not overridden)
MaxVirtualMachines *uint8
@@ -39,10 +38,9 @@ func (g *GctScriptManager) Started() bool {
// Start starts gctscript subsystem and creates shutdown channel
func (g *GctScriptManager) Start(wg *sync.WaitGroup) (err error) {
if atomic.AddInt32(&g.started, 1) != 1 {
return fmt.Errorf("%s %s", gctscriptManagerName, subsystem.ErrSubSystemAlreadyStarted)
if !atomic.CompareAndSwapInt32(&g.started, 0, 1) {
return fmt.Errorf("%s %w", gctscriptManagerName, subsystem.ErrSubSystemAlreadyStarted)
}
defer func() {
if err != nil {
atomic.CompareAndSwapInt32(&g.started, 1, 0)
@@ -59,16 +57,19 @@ func (g *GctScriptManager) Start(wg *sync.WaitGroup) (err error) {
// Stop stops gctscript subsystem along with all running Virtual Machines
func (g *GctScriptManager) Stop() error {
if atomic.LoadInt32(&g.started) == 0 {
return fmt.Errorf("%s %s", gctscriptManagerName, subsystem.ErrSubSystemNotStarted)
}
if atomic.AddInt32(&g.stopped, 1) != 1 {
return fmt.Errorf("%s %s", gctscriptManagerName, subsystem.ErrSubSystemAlreadyStopped)
return fmt.Errorf("%s %w", gctscriptManagerName, subsystem.ErrSubSystemNotStarted)
}
defer func() {
atomic.CompareAndSwapInt32(&g.started, 1, 0)
}()
log.Debugln(log.GCTScriptMgr, gctscriptManagerName, subsystem.MsgSubSystemShuttingDown)
err := g.ShutdownAll()
if err != nil {
return err
}
close(g.shutdown)
return g.ShutdownAll()
return nil
}
func (g *GctScriptManager) run(wg *sync.WaitGroup) {
@@ -77,8 +78,6 @@ func (g *GctScriptManager) run(wg *sync.WaitGroup) {
SetDefaultScriptOutput()
g.autoLoad()
defer func() {
atomic.CompareAndSwapInt32(&g.stopped, 1, 0)
atomic.CompareAndSwapInt32(&g.started, 1, 0)
wg.Done()
log.Debugln(log.GCTScriptMgr, gctscriptManagerName, subsystem.MsgSubSystemShutdown)
}()