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ipc-win32: add trace2 debugging

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Create "ipc-debug" category events to log unexpected errors
when creating Simple-IPC connections.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
This commit is contained in:
Jeff Hostetler
2021-07-28 14:04:58 -04:00
committed by Johannes Schindelin
parent 751d7c39dd
commit ddab099c55
1 changed files with 22 additions and 0 deletions
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22
compat/simple-ipc/ipc-win32.c
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@@ -49,6 +49,9 @@ static enum ipc_active_state get_active_state(wchar_t *pipe_path)
if (GetLastError() == ERROR_FILE_NOT_FOUND)
return IPC_STATE__PATH_NOT_FOUND;
trace2_data_intmax("ipc-debug", NULL, "getstate/waitpipe/gle",
(intmax_t)GetLastError());
return IPC_STATE__OTHER_ERROR;
}
@@ -112,6 +115,11 @@ static enum ipc_active_state connect_to_server(
if (GetLastError() == ERROR_SEM_TIMEOUT)
return IPC_STATE__NOT_LISTENING;
gle = GetLastError();
trace2_data_intmax("ipc-debug", NULL,
"connect/waitpipe/gle",
(intmax_t)gle);
return IPC_STATE__OTHER_ERROR;
}
@@ -133,17 +141,31 @@ static enum ipc_active_state connect_to_server(
break; /* try again */
default:
trace2_data_intmax("ipc-debug", NULL,
"connect/createfile/gle",
(intmax_t)gle);
return IPC_STATE__OTHER_ERROR;
}
}
if (!SetNamedPipeHandleState(hPipe, &mode, NULL, NULL)) {
gle = GetLastError();
trace2_data_intmax("ipc-debug", NULL,
"connect/setpipestate/gle",
(intmax_t)gle);
CloseHandle(hPipe);
return IPC_STATE__OTHER_ERROR;
}
*pfd = _open_osfhandle((intptr_t)hPipe, O_RDWR|O_BINARY);
if (*pfd < 0) {
gle = GetLastError();
trace2_data_intmax("ipc-debug", NULL,
"connect/openosfhandle/gle",
(intmax_t)gle);
CloseHandle(hPipe);
return IPC_STATE__OTHER_ERROR;
}