refactor: using atomic.Int32

debug.go

@@ -10,7 +10,6 @@ import (
 	"runtime"
 	"strconv"
 	"strings"
-	"sync/atomic"
 )
 
 const ginSupportMinGoVer = 23
@@ -18,7 +17,7 @@ const ginSupportMinGoVer = 23
 // IsDebugging returns true if the framework is running in debug mode.
 // Use SetMode(gin.ReleaseMode) to disable debug mode.
 func IsDebugging() bool {
-	return atomic.LoadInt32(&ginMode) == debugCode
+	return ginMode.Load() == debugCode
 }
 
 // DebugPrintRouteFunc indicates debug log output format.

mode.go

@@ -45,7 +45,7 @@ var DefaultWriter io.Writer = os.Stdout
 var DefaultErrorWriter io.Writer = os.Stderr
 
 var (
-	ginMode  int32 = debugCode
+	ginMode  atomic.Int32
 	modeName atomic.Value
 )
 
@@ -66,11 +66,11 @@ func SetMode(value string) {
 
 	switch value {
 	case DebugMode:
-		atomic.StoreInt32(&ginMode, debugCode)
+		ginMode.Store(debugCode)
 	case ReleaseMode:
-		atomic.StoreInt32(&ginMode, releaseCode)
+		ginMode.Store(releaseCode)
 	case TestMode:
-		atomic.StoreInt32(&ginMode, testCode)
+		ginMode.Store(testCode)
 	default:
 		panic("gin mode unknown: " + value + " (available mode: debug release test)")
 	}

mode_test.go

@@ -6,7 +6,6 @@ package gin
 
 import (
 	"os"
-	"sync/atomic"
 	"testing"
 
 	"github.com/gin-gonic/gin/binding"
@@ -18,24 +17,24 @@ func init() {
 }
 
 func TestSetMode(t *testing.T) {
-	assert.Equal(t, int32(testCode), atomic.LoadInt32(&ginMode))
+	assert.Equal(t, int32(testCode), ginMode.Load())
 	assert.Equal(t, TestMode, Mode())
 	os.Unsetenv(EnvGinMode)
 
 	SetMode("")
-	assert.Equal(t, int32(testCode), atomic.LoadInt32(&ginMode))
+	assert.Equal(t, int32(testCode), ginMode.Load())
 	assert.Equal(t, TestMode, Mode())
 
 	SetMode(DebugMode)
-	assert.Equal(t, int32(debugCode), atomic.LoadInt32(&ginMode))
+	assert.Equal(t, int32(debugCode), ginMode.Load())
 	assert.Equal(t, DebugMode, Mode())
 
 	SetMode(ReleaseMode)
-	assert.Equal(t, int32(releaseCode), atomic.LoadInt32(&ginMode))
+	assert.Equal(t, int32(releaseCode), ginMode.Load())
 	assert.Equal(t, ReleaseMode, Mode())
 
 	SetMode(TestMode)
-	assert.Equal(t, int32(testCode), atomic.LoadInt32(&ginMode))
+	assert.Equal(t, int32(testCode), ginMode.Load())
 	assert.Equal(t, TestMode, Mode())
 
 	assert.Panics(t, func() { SetMode("unknown") })