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simple-ipc/ipc-win32: add trace2 debugging
Create "ipc-debug" category events to log unexpected errors when creating Simple-IPC connections. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -49,6 +49,9 @@ static enum ipc_active_state get_active_state(wchar_t *pipe_path)
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if (GetLastError() == ERROR_FILE_NOT_FOUND)
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return IPC_STATE__PATH_NOT_FOUND;
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trace2_data_intmax("ipc-debug", NULL, "getstate/waitpipe/gle",
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(intmax_t)GetLastError());
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return IPC_STATE__OTHER_ERROR;
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}
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@ -109,9 +112,15 @@ static enum ipc_active_state connect_to_server(
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t_start_ms = (DWORD)(getnanotime() / 1000000);
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if (!WaitNamedPipeW(wpath, timeout_ms)) {
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if (GetLastError() == ERROR_SEM_TIMEOUT)
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DWORD gleWait = GetLastError();
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if (gleWait == ERROR_SEM_TIMEOUT)
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return IPC_STATE__NOT_LISTENING;
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trace2_data_intmax("ipc-debug", NULL,
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"connect/waitpipe/gle",
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(intmax_t)gleWait);
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return IPC_STATE__OTHER_ERROR;
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}
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@ -133,17 +142,31 @@ static enum ipc_active_state connect_to_server(
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break; /* try again */
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default:
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trace2_data_intmax("ipc-debug", NULL,
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"connect/createfile/gle",
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(intmax_t)gle);
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return IPC_STATE__OTHER_ERROR;
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}
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}
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if (!SetNamedPipeHandleState(hPipe, &mode, NULL, NULL)) {
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gle = GetLastError();
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trace2_data_intmax("ipc-debug", NULL,
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"connect/setpipestate/gle",
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(intmax_t)gle);
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CloseHandle(hPipe);
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return IPC_STATE__OTHER_ERROR;
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}
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*pfd = _open_osfhandle((intptr_t)hPipe, O_RDWR|O_BINARY);
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if (*pfd < 0) {
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gle = GetLastError();
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trace2_data_intmax("ipc-debug", NULL,
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"connect/openosfhandle/gle",
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(intmax_t)gle);
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CloseHandle(hPipe);
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return IPC_STATE__OTHER_ERROR;
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}
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