4122319e5a
When running tests that fails to complete within the test timeout, the go tool sends the test program a SIGQUIT signal to print backtraces. However, for tests running with an exec wrapper, the resulting backtraces will come from the exec wrapper process and not the test program. Change the iOS exec wrapper to forward SIGQUIT signals to the lldb python driver and change the driver to forward the signals to the running test on the device. Before: $ GOARCH=arm64 go test forever_test.go lldb: running program SIGQUIT: quit PC=0x10816fe m=0 sigcode=0 goroutine 54 [syscall]: syscall.Syscall6(0x7, 0x16ab, 0xc000033dfc, 0x0, 0xc000116f30, 0x0, 0x0, 0xc000116f30, 0x0, 0x1328820) /Users/elias/go-tip/src/syscall/asm_darwin_amd64.s:41 +0x5 fp=0xc000033d48 sp=0xc000033d40 pc=0x10816d5 syscall.wait4(0x16ab, 0xc000033dfc, 0x0, 0xc000116f30, 0x90, 0x1200e00, 0x1) /Users/elias/go-tip/src/syscall/zsyscall_darwin_amd64.go:34 +0x7b fp=0xc000033dc0 sp=0xc000033d48 pc=0x107e4eb syscall.Wait4(0x16ab, 0xc000033e4c, 0x0, 0xc000116f30, 0xc0000fd518, 0x0, 0x0) /Users/elias/go-tip/src/syscall/syscall_bsd.go:129 +0x51 fp=0xc000033e10 sp=0xc000033dc0 pc=0x107b7b1 os.(*Process).wait(0xc00008d440, 0x1095e2e, 0xc0000fd518, 0x0) /Users/elias/go-tip/src/os/exec_unix.go:38 +0x7b fp=0xc000033e80 sp=0xc000033e10 pc=0x109af2b os.(*Process).Wait(0xc00008d440, 0xc000033fb0, 0x10, 0x11d1f00) /Users/elias/go-tip/src/os/exec.go:125 +0x2b fp=0xc000033eb0 sp=0xc000033e80 pc=0x109a47b os/exec.(*Cmd).Wait(0xc0000b1ce0, 0xc000033f90, 0x11394df) /Users/elias/go-tip/src/os/exec/exec.go:463 +0x5b fp=0xc000033f28 sp=0xc000033eb0 pc=0x1136f0b main.startDebugBridge.func1(0xc0000b1ce0, 0xc0000b8ae0, 0xc0000e2a80) /Users/elias/go-tip/misc/ios/go_darwin_arm_exec.go:314 +0x40 fp=0xc000033fc8 sp=0xc000033f28 pc=0x11a1980 runtime.goexit() /Users/elias/go-tip/src/runtime/asm_amd64.s:1360 +0x1 fp=0xc000033fd0 sp=0xc000033fc8 pc=0x10565a1 created by main.startDebugBridge /Users/elias/go-tip/misc/ios/go_darwin_arm_exec.go:313 +0x15f ... After: $ GOARCH=arm64 go test forever_test.go lldb: running program === RUN TestForever SIGQUIT: quit PC=0x100144e24 m=0 sigcode=0 ... goroutine 19 [select (no cases)]: command-line-arguments.TestForever(0x1300b60f0) /Users/elias/go-tip/src/forever_test.go:6 +0x18 testing.tRunner(0x1300b60f0, 0x100211aa0) /Users/elias/go-tip/src/testing/testing.go:795 +0xa8 created by testing.(*T).Run /Users/elias/go-tip/src/testing/testing.go:840 +0x22c ... Change-Id: I6b3cf1662d07a43ade0530842733b0944bee1ace Reviewed-on: https://go-review.googlesource.com/112676 Run-TryBot: Elias Naur <elias.naur@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com> |
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