Source file src/runtime/testdata/testgoroutineleakprofile/goker/syncthing5795.go

     1  // Copyright 2025 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a MIT
     3  // license that can be found in the LICENSE file.
     4  
     5  package main
     6  
     7  import (
     8  	"os"
     9  	"runtime"
    10  	"runtime/pprof"
    11  	"sync"
    12  )
    13  
    14  func init() {
    15  	register("Syncthing5795", Syncthing5795)
    16  }
    17  
    18  type message_syncthing5795 interface{}
    19  
    20  type ClusterConfig_syncthing5795 struct{}
    21  
    22  type Model_syncthing5795 interface {
    23  	ClusterConfig(message_syncthing5795)
    24  }
    25  
    26  type TestModel_syncthing5795 struct {
    27  	ccFn func()
    28  }
    29  
    30  func (t *TestModel_syncthing5795) ClusterConfig(msg message_syncthing5795) {
    31  	if t.ccFn != nil {
    32  		t.ccFn()
    33  	}
    34  }
    35  
    36  type Connection_syncthing5795 interface {
    37  	Start()
    38  	Close()
    39  }
    40  
    41  type rawConnection_syncthing5795 struct {
    42  	receiver Model_syncthing5795
    43  
    44  	inbox                 chan message_syncthing5795
    45  	dispatcherLoopStopped chan struct{}
    46  	closed                chan struct{}
    47  	closeOnce             sync.Once
    48  }
    49  
    50  func (c *rawConnection_syncthing5795) Start() {
    51  	go c.dispatcherLoop() // G2
    52  }
    53  
    54  func (c *rawConnection_syncthing5795) dispatcherLoop() {
    55  	defer close(c.dispatcherLoopStopped)
    56  	var msg message_syncthing5795
    57  	for {
    58  		select {
    59  		case msg = <-c.inbox:
    60  		case <-c.closed:
    61  			return
    62  		}
    63  		switch msg := msg.(type) {
    64  		case *ClusterConfig_syncthing5795:
    65  			c.receiver.ClusterConfig(msg)
    66  		default:
    67  			return
    68  		}
    69  	}
    70  }
    71  
    72  func (c *rawConnection_syncthing5795) Close() {
    73  	c.closeOnce.Do(func() {
    74  		close(c.closed)
    75  		<-c.dispatcherLoopStopped
    76  	})
    77  }
    78  
    79  func Syncthing5795() {
    80  	prof := pprof.Lookup("goroutineleak")
    81  	defer func() {
    82  		// Yield several times to allow the child goroutine to run.
    83  		for i := 0; i < yieldCount; i++ {
    84  			runtime.Gosched()
    85  		}
    86  		prof.WriteTo(os.Stdout, 2)
    87  	}()
    88  	go func() { // G1
    89  		m := &TestModel_syncthing5795{}
    90  		c := &rawConnection_syncthing5795{
    91  			dispatcherLoopStopped: make(chan struct{}),
    92  			closed:                make(chan struct{}),
    93  			inbox:                 make(chan message_syncthing5795),
    94  			receiver:              m,
    95  		}
    96  		m.ccFn = c.Close
    97  
    98  		c.Start()
    99  		c.inbox <- &ClusterConfig_syncthing5795{}
   100  
   101  		<-c.dispatcherLoopStopped
   102  	}()
   103  }
   104  

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