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win_serial_passthrough: Disable intermediate buffering on serial ports

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RichardG867
2023-06-09 12:20:30 -03:00
parent 883b4c4be9
commit 8cdaaaee34
1 changed files with 1 additions and 1 deletions
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src/win/win_serial_passthrough.c
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@@ -194,7 +194,7 @@ open_host_serial_port(serial_passthrough_t *dev)
DCB *serialattr = calloc(1, sizeof(DCB));
if (!serialattr)
return 0;
dev->master_fd = (intptr_t) CreateFileA(dev->host_serial_path, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
dev->master_fd = (intptr_t) CreateFileA(dev->host_serial_path, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_FLAG_WRITE_THROUGH, NULL);
if (dev->master_fd == (intptr_t) INVALID_HANDLE_VALUE) {
free(serialattr);
return 0;