From 883dc5476bde5b34cd4c2086a80a56db0c88e44f Mon Sep 17 00:00:00 2001
From: kim <89579420+NyaaaWhatsUpDoc@users.noreply.github.com>
Date: Fri, 24 Mar 2023 23:07:50 +0000
Subject: [PATCH] bump go-runners version to fix possible race in
 Processing{Media,Emoji} (#1646)

Signed-off-by: kim <grufwub@gmail.com>
---
 go.mod                                        |  2 +-
 go.sum                                        |  4 +--
 .../codeberg.org/gruf/go-runners/process.go   | 36 +++++++++++--------
 vendor/modules.txt                            |  2 +-
 4 files changed, 25 insertions(+), 19 deletions(-)

diff --git a/go.mod b/go.mod
index be2f8223..60343c27 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	codeberg.org/gruf/go-kv v1.6.1
 	codeberg.org/gruf/go-logger/v2 v2.2.1
 	codeberg.org/gruf/go-mutexes v1.1.5
-	codeberg.org/gruf/go-runners v1.6.0
+	codeberg.org/gruf/go-runners v1.6.1
 	codeberg.org/gruf/go-sched v1.2.3
 	codeberg.org/gruf/go-store/v2 v2.2.1
 	github.com/KimMachineGun/automemlimit v0.2.4
diff --git a/go.sum b/go.sum
index 8ae0942b..f559eb72 100644
--- a/go.sum
+++ b/go.sum
@@ -79,8 +79,8 @@ codeberg.org/gruf/go-mutexes v1.1.5 h1:8Y8DwCGf24MyzOSaPvLrtk/B4ecVx4z+fppL6dY+P
 codeberg.org/gruf/go-mutexes v1.1.5/go.mod h1:1j/6/MBeBQUedAtAtysLLnBKogfOZAxdym0E3wlaBD8=
 codeberg.org/gruf/go-pools v1.1.0 h1:LbYP24eQLl/YI1fSU2pafiwhGol1Z1zPjRrMsXpF88s=
 codeberg.org/gruf/go-pools v1.1.0/go.mod h1:ZMYpt/DjQWYC3zFD3T97QWSFKs62zAUGJ/tzvgB9D68=
-codeberg.org/gruf/go-runners v1.6.0 h1:cAHKxMgtkb3v6it4qZZs4fo+yYgICNCrYvFlayuvSdk=
-codeberg.org/gruf/go-runners v1.6.0/go.mod h1:QRcSExqXX8DM0rm8Xs6qX7baOzyvw0JIe4mu3TsQT+Y=
+codeberg.org/gruf/go-runners v1.6.1 h1:0KNiEfGnmNUs9intqxEAWqIKUyxVOmYTtn3kPVOHsjQ=
+codeberg.org/gruf/go-runners v1.6.1/go.mod h1:QRcSExqXX8DM0rm8Xs6qX7baOzyvw0JIe4mu3TsQT+Y=
 codeberg.org/gruf/go-sched v1.2.3 h1:H5ViDxxzOBR3uIyGBCf0eH8b1L8wMybOXcdtUUTXZHk=
 codeberg.org/gruf/go-sched v1.2.3/go.mod h1:vT9uB6KWFIIwnG9vcPY2a0alYNoqdL1mSzRM8I+PK7A=
 codeberg.org/gruf/go-store/v2 v2.2.1 h1:lbvMjhMLebefiaPNLtWvPySKSYM5xN1aztSxxz+vCzU=
diff --git a/vendor/codeberg.org/gruf/go-runners/process.go b/vendor/codeberg.org/gruf/go-runners/process.go
index 908e6edc..ca39ac0d 100644
--- a/vendor/codeberg.org/gruf/go-runners/process.go
+++ b/vendor/codeberg.org/gruf/go-runners/process.go
@@ -15,8 +15,7 @@ type Processable func() error
 // that only a single instance of it is ever running at any one time.
 type Processor struct {
 	mutex sync.Mutex
-	state uint32
-	wait  sync.WaitGroup
+	wait  *sync.WaitGroup
 	err   *error
 }
 
@@ -26,24 +25,34 @@ func (p *Processor) Process(proc Processable) (err error) {
 	// Acquire state lock.
 	p.mutex.Lock()
 
-	if p.state != 0 {
+	if p.wait != nil {
 		// Already running.
 		//
-		// Get current err ptr.
+		// Get current ptrs.
+		waitPtr := p.wait
 		errPtr := p.err
 
-		// Wait until finish.
+		// Free state lock.
 		p.mutex.Unlock()
-		p.wait.Wait()
+
+		// Wait for finish.
+		waitPtr.Wait()
 		return *errPtr
 	}
 
-	// Reset error ptr.
-	p.err = new(error)
+	// Alloc waiter for new process.
+	var wait sync.WaitGroup
+
+	// No need to alloc new error as
+	// we use the alloc'd named error
+	// return required for panic handling.
+
+	// Reset ptrs.
+	p.wait = &wait
+	p.err = &err
 
 	// Set started.
-	p.wait.Add(1)
-	p.state = 1
+	wait.Add(1)
 	p.mutex.Unlock()
 
 	defer func() {
@@ -57,15 +66,12 @@ func (p *Processor) Process(proc Processable) (err error) {
 			err = fmt.Errorf("caught panic: %v", r)
 		}
 
-		// Store error.
-		*p.err = err
-
 		// Mark done.
-		p.wait.Done()
+		wait.Done()
 
 		// Set stopped.
 		p.mutex.Lock()
-		p.state = 0
+		p.wait = nil
 		p.mutex.Unlock()
 	}()
 
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 883b1fa9..9ba01b01 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -58,7 +58,7 @@ codeberg.org/gruf/go-mutexes
 # codeberg.org/gruf/go-pools v1.1.0
 ## explicit; go 1.16
 codeberg.org/gruf/go-pools
-# codeberg.org/gruf/go-runners v1.6.0
+# codeberg.org/gruf/go-runners v1.6.1
 ## explicit; go 1.19
 codeberg.org/gruf/go-runners
 # codeberg.org/gruf/go-sched v1.2.3