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mirror of git://sigrok.org/libserialport synced 2023-08-10 21:13:24 +03:00

Fix ERROR_SEM_TIMEOUT issue on Windows.

The sp_blocking_write() call was incorrectly returning an error upon
ERROR_SEM_TIMEOUT. It now returns 0 instead.
This commit is contained in:
Uwe Hermann 2016-01-27 08:19:38 +01:00
parent 888fb45d66
commit aee7d69195

View File

@ -764,8 +764,14 @@ SP_API enum sp_return sp_blocking_write(struct sp_port *port, const void *buf,
RETURN_INT(count);
} else if (GetLastError() == ERROR_IO_PENDING) {
DEBUG("Waiting for write to complete");
if (GetOverlappedResult(port->hdl, &port->write_ovl, &bytes_written, TRUE) == 0)
RETURN_FAIL("GetOverlappedResult() failed");
if (GetOverlappedResult(port->hdl, &port->write_ovl, &bytes_written, TRUE) == 0) {
if (GetLastError() == ERROR_SEM_TIMEOUT) {
DEBUG("Write timed out");
RETURN_INT(0);
} else {
RETURN_FAIL("GetOverlappedResult() failed");
}
}
DEBUG_FMT("Write completed, %d/%d bytes written", bytes_written, count);
RETURN_INT(bytes_written);
} else {