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Report the actual error when read() or write() a network device failed.

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This enable to actually detect and handle device removal (USB...).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37897 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Philippe Houdoin
2010-08-04 11:11:56 +00:00
parent 2b4154458a
commit cc8eceb0af
2 changed files with 4 additions and 2 deletions
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src/add-ons/kernel/network/devices/ethernet/ethernet.cpp
+2 -2
View File
@@ -278,7 +278,7 @@ ethernet_send_data(net_device *_device, net_buffer *buffer)
device->stats.send.errors++; device->stats.send.errors++;
if (allocated) if (allocated)
gBufferModule->free(allocated); gBufferModule->free(allocated);
return bytesWritten; return errno;
} }
device->stats.send.packets++; device->stats.send.packets++;
@@ -323,7 +323,7 @@ ethernet_receive_data(net_device *_device, net_buffer **_buffer)
bytesRead = read(device->fd, data, device->frame_size); bytesRead = read(device->fd, data, device->frame_size);
if (bytesRead < 0) { if (bytesRead < 0) {
device->stats.receive.errors++; device->stats.receive.errors++;
status = bytesRead; status = errno;
goto err; goto err;
} }
//dump_block((const char *)data, bytesRead, "rcv: "); //dump_block((const char *)data, bytesRead, "rcv: ");
src/add-ons/kernel/network/stack/device_interfaces.cpp
+2
View File
@@ -66,6 +66,8 @@ device_reader_thread(void* _interface)
} }
fifo_enqueue_buffer(&interface->receive_queue, buffer); fifo_enqueue_buffer(&interface->receive_queue, buffer);
} else if (status == B_DEVICE_NOT_FOUND) {
device_removed(device);
} else { } else {
// In case of error, give the other threads some // In case of error, give the other threads some
// time to run since this is a high priority time thread. // time to run since this is a high priority time thread.