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bug: concurrent map read and map write. #5

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bruce2233 opened this issue Aug 12, 2022 · 1 comment
Closed

bug: concurrent map read and map write. #5

bruce2233 opened this issue Aug 12, 2022 · 1 comment
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@bruce2233
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bug Something isn't working reactor

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@bruce2233
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bug occurs at evnet/reactor.go:184

fatal error: concurrent map read and map write.
goroutine 7 [running]:
runtime.throw({0x578192?, 0x13?})
        /usr/local/go/src/runtime/panic.go:992 +0x71 fp=0xc000214eb0 sp=0xc000214e80 pc=0x436d71
runtime.mapaccess1_fast64(0xc000214f18?, 0xc0003221e0?, 0x18)
        /usr/local/go/src/runtime/map_fast64.go:22 +0x172 fp=0xc000214ed0 sp=0xc000214eb0 pc=0x4128f2
github.com/bruce2233/evnet.(*SubReactor).Loop(0xc00007c870)
        /home/bruce/github/evnet/reactor.go:184 +0x189 fp=0xc000214fb0 sp=0xc000214ed0 pc=0x52ebc9
github.com/bruce2233/evnet.startSubReactor(0x57cc50?)
        /home/bruce/github/evnet/reactor.go:135 +0x19 fp=0xc000214fc8 sp=0xc000214fb0 pc=0x52e579
github.com/bruce2233/evnet.(*MainReactor).Init.func1()
        /home/bruce/github/evnet/reactor.go:121 +0x26 fp=0xc000214fe0 sp=0xc000214fc8 pc=0x52e526
runtime.goexit()
        /usr/local/go/src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000214fe8 sp=0xc000214fe0 pc=0x467f01
created by github.com/bruce2233/evnet.(*MainReactor).Init
        /home/bruce/github/evnet/reactor.go:121 +0x335

goroutine 1 [chan receive]:
testing.(*T).Run(0xc00009ad00, {0x572495?, 0x4c12e5?}, 0x57cc50)
        /usr/local/go/src/testing/testing.go:1487 +0x37a
testing.runTests.func1(0xc00007c840?)
        /usr/local/go/src/testing/testing.go:1839 +0x6e
testing.tRunner(0xc00009ad00, 0xc000063cd8)
        /usr/local/go/src/testing/testing.go:1439 +0x102
testing.runTests(0xc0000a0320?, {0x678a60, 0x4, 0x4}, {0x7fcf6903d108?, 0x40?, 0x67d8c0?})
        /usr/local/go/src/testing/testing.go:1837 +0x457
testing.(*M).Run(0xc0000a0320)
        /usr/local/go/src/testing/testing.go:1719 +0x5d9
main.main()
        _testmain.go:53 +0x1aa

goroutine 6 [runnable]:
github.com/bruce2233/evnet.addPollRead(0x7?, 0x3e?)
        /home/bruce/github/evnet/reactor.go:217 +0xd3
github.com/bruce2233/evnet.(*Poller).AddPollRead(...)
        /home/bruce/github/evnet/reactor.go:213
github.com/bruce2233/evnet.registerConn(0xc00007c870, {0x5a58e8, 0xc000012780})
        /home/bruce/github/evnet/reactor.go:226 +0xa6
github.com/bruce2233/evnet.(*MainReactor).Loop(0xc0000c9ed8)
        /home/bruce/github/evnet/reactor.go:170 +0x445
github.com/bruce2233/evnet.serve(...)
        /home/bruce/github/evnet/evnet.go:40
github.com/bruce2233/evnet.Run({0x5a54e0?, 0x6ac6d8}, {0xc000018120, 0x14}, {0x0, 0x0, 0x47a9f7?})
        /home/bruce/github/evnet/evnet.go:25 +0x252
github.com/bruce2233/evnet.TestMainRec(0x0?)
        /home/bruce/github/evnet/evnet_test.go:41 +0x5f
testing.tRunner(0xc00009aea0, 0x57cc50)
        /usr/local/go/src/testing/testing.go:1439 +0x102
created by testing.(*T).Run
        /usr/local/go/src/testing/testing.go:1486 +0x35f

goroutine 8 [runnable]:
sync.runtime_SemacquireMutex(0x100?, 0xa0?, 0x46dae9?)
        /usr/local/go/src/runtime/sema.go:71 +0x25
sync.(*Mutex).lockSlow(0xc00007a0a0)
        /usr/local/go/src/sync/mutex.go:162 +0x165
sync.(*Mutex).Lock(...)
        /usr/local/go/src/sync/mutex.go:81
log.(*Logger).Output(0xc00007a0a0, 0x3?, {0xc0002b62d0, 0x30})
        /usr/local/go/src/log/log.go:176 +0x9c
log.Println({0xc00005ef18?, 0xc00007c900?, 0x22?})
        /usr/local/go/src/log/log.go:360 +0x50
github.com/bruce2233/evnet.(*SubReactor).Loop(0xc00007c8d0)
        /home/bruce/github/evnet/reactor.go:185 +0x22a
github.com/bruce2233/evnet.startSubReactor(0x0?)
        /home/bruce/github/evnet/reactor.go:135 +0x19
created by github.com/bruce2233/evnet.(*MainReactor).Init
        /home/bruce/github/evnet/reactor.go:121 +0x335

goroutine 9 [syscall]:
syscall.Syscall6(0xe8, 0x9, 0xc000025200, 0x80, 0xffffffffffffffff, 0x0, 0x0)
        /usr/local/go/src/syscall/asm_linux_amd64.s:43 +0x5
golang.org/x/sys/unix.EpollWait(0x67d8c0?, {0xc000025200?, 0x0?, 0x52d5c0?}, 0xc00007a0a0?)
        /home/bruce/go/pkg/mod/golang.org/x/sys@v0.0.0-20220808155132-1c4a2a72c664/unix/zsyscall_linux_amd64.go:56 +0x58
github.com/bruce2233/evnet.polling(0xc000053718?)
        /home/bruce/github/evnet/reactor.go:267 +0x66
github.com/bruce2233/evnet.(*Poller).Polling(...)
        /home/bruce/github/evnet/reactor.go:257
github.com/bruce2233/evnet.(*SubReactor).Loop(0xc00007c930)
        /home/bruce/github/evnet/reactor.go:178 +0xbb
github.com/bruce2233/evnet.startSubReactor(0x0?)
        /home/bruce/github/evnet/reactor.go:135 +0x19
created by github.com/bruce2233/evnet.(*MainReactor).Init
        /home/bruce/github/evnet/reactor.go:121 +0x335

goroutine 10 [syscall]:
syscall.Syscall6(0xe8, 0xa, 0xc000198600, 0x80, 0xffffffffffffffff, 0x0, 0x0)
        /usr/local/go/src/syscall/asm_linux_amd64.s:43 +0x5
golang.org/x/sys/unix.EpollWait(0x67d8c0?, {0xc000198600?, 0x0?, 0x52d5c0?}, 0xc00007a0a0?)
        /home/bruce/go/pkg/mod/golang.org/x/sys@v0.0.0-20220808155132-1c4a2a72c664/unix/zsyscall_linux_amd64.go:56 +0x58
github.com/bruce2233/evnet.polling(0xc000053f18?)
        /home/bruce/github/evnet/reactor.go:267 +0x66
github.com/bruce2233/evnet.(*Poller).Polling(...)
        /home/bruce/github/evnet/reactor.go:257
github.com/bruce2233/evnet.(*SubReactor).Loop(0xc00007c990)
        /home/bruce/github/evnet/reactor.go:178 +0xbb
github.com/bruce2233/evnet.startSubReactor(0x0?)
        /home/bruce/github/evnet/reactor.go:135 +0x19
created by github.com/bruce2233/evnet.(*MainReactor).Init
        /home/bruce/github/evnet/reactor.go:121 +0x335

goroutine 11 [syscall]:
syscall.Syscall6(0xe8, 0xb, 0xc000024c00, 0x80, 0xffffffffffffffff, 0x0, 0x0)
        /usr/local/go/src/syscall/asm_linux_amd64.s:43 +0x5
golang.org/x/sys/unix.EpollWait(0x67d8c0?, {0xc000024c00?, 0x0?, 0x52d5c0?}, 0xc00007a0a0?)
        /home/bruce/go/pkg/mod/golang.org/x/sys@v0.0.0-20220808155132-1c4a2a72c664/unix/zsyscall_linux_amd64.go:56 +0x58
github.com/bruce2233/evnet.polling(0xc00004c718?)
        /home/bruce/github/evnet/reactor.go:267 +0x66
github.com/bruce2233/evnet.(*Poller).Polling(...)
        /home/bruce/github/evnet/reactor.go:257
github.com/bruce2233/evnet.(*SubReactor).Loop(0xc00007c9f0)
        /home/bruce/github/evnet/reactor.go:178 +0xbb
github.com/bruce2233/evnet.startSubReactor(0x0?)
        /home/bruce/github/evnet/reactor.go:135 +0x19
created by github.com/bruce2233/evnet.(*MainReactor).Init
        /home/bruce/github/evnet/reactor.go:121 +0x335
FAIL    github.com/bruce2233/evnet      6.914s
FAIL
@bruce2233 bruce2233 added bug Something isn't working reactor labels Aug 12, 2022
@bruce2233 bruce2233 self-assigned this Aug 12, 2022
@bruce2233
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Bug has fixed by RWMutex

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