[#862]: bug(pool, debug mode): zombie processes when the `pool.debug` mode is usedv2.6.0-beta.1

4 files changed, 13 insertions, 7 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6da2b09..95a8aa66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 
 - ✏️ New internal message bus. Available globally. Supports wildcard subscriptions (for example: `http.*` will subscribe you to the all events coming from the `http` plugin). The subscriptions can be made from any RR plugin to any RR plugin.
 
+## 🩹 Fixes:
+
+- 🐛 Fix: zombie processes in the `pool.debug` mode.
+
 # v2.5.1 (07.11.2021)
 
 ## 🩹 Fixes:
diff --git a/go.mod b/go.mod
index ac92a9f5..1c6db317 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,7 @@ require (
 	github.com/google/uuid v1.3.0
 	github.com/json-iterator/go v1.1.12
 	github.com/shirou/gopsutil v3.21.10+incompatible
+	// spiral
 	github.com/spiral/errors v1.0.12
 	github.com/spiral/goridge/v3 v3.2.3
 	github.com/spiral/tcplisten v1.0.0
@@ -26,7 +27,7 @@ require (
 	github.com/tklauser/go-sysconf v0.3.9 // indirect
 	github.com/tklauser/numcpus v0.3.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
-	golang.org/x/sys v0.0.0-20211031064116-611d5d643895 // indirect
+	golang.org/x/sys v0.0.0-20211117180635-dee7805ff2e1 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
diff --git a/go.sum b/go.sum
index f2392a5c..0ce2a71b 100644
--- a/go.sum
+++ b/go.sum
@@ -25,8 +25,6 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/shirou/gopsutil v3.21.9+incompatible h1:LTLpUnfX81MkHeCtSrwNKZwuW5Id6kCa7/P43NdcNn4=
-github.com/shirou/gopsutil v3.21.9+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/shirou/gopsutil v3.21.10+incompatible h1:AL2kpVykjkqeN+MFe1WcwSBVUjGjvdU8/ubvCuXAjrU=
 github.com/shirou/gopsutil v3.21.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/spiral/errors v1.0.12 h1:38Waf8ZL/Xvxg4HTYGmrUbvi7TCHivmuatNQZlBhQ8s=
@@ -55,10 +53,8 @@ golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cO
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210816074244-15123e1e1f71/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211015200801-69063c4bb744 h1:KzbpndAYEM+4oHRp9JmB2ewj0NHHxO3Z0g7Gus2O1kk=
-golang.org/x/sys v0.0.0-20211015200801-69063c4bb744/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211031064116-611d5d643895 h1:iaNpwpnrgL5jzWS0vCNnfa8HqzxveCFpFx3uC/X4Tps=
-golang.org/x/sys v0.0.0-20211031064116-611d5d643895/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211117180635-dee7805ff2e1 h1:kwrAHlwJ0DUBZwQ238v+Uod/3eZ8B2K5rYsUHBQvzmI=
+golang.org/x/sys v0.0.0-20211117180635-dee7805ff2e1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
diff --git a/pool/static_pool.go b/pool/static_pool.go
index 4ff57173..9897b9e7 100755
--- a/pool/static_pool.go
+++ b/pool/static_pool.go
@@ -312,6 +312,11 @@ func (sp *StaticPool) execDebug(p *payload.Payload) (*payload.Payload, error) {
 		return nil, err
 	}
 
+	go func() {
+		// read the exit status to prevent process to be a zombie
+		_ = sw.Wait()
+	}()
+
 	// destroy the worker
 	sw.State().Set(worker.StateDestroyed)
 	err = sw.Kill()