372046933 commented on code in PR #2252:
URL: https://github.com/apache/brpc/pull/2252#discussion_r1197293761
##########
src/brpc/rdma/rdma_helper.cpp:
##########
@@ -399,36 +399,39 @@ static void GlobalRdmaInitializeOrDieImpl() {
// Find the first active port
int available_devices = 0;
g_port_num = FLAGS_rdma_port;
+ auto context_deleter = [](ibv_context* p) { IbvCloseDevice(p); };
for (int i = 0; i < num; ++i) {
- ibv_context* context = IbvOpenDevice(g_devices[i]);
+ std::unique_ptr<ibv_context, decltype(context_deleter)> context(
+ IbvOpenDevice(g_devices[i]), context_deleter);
if (!context) {
PLOG(ERROR) << "Fail to open rdma device " <<
IbvGetDeviceName(g_devices[i]);
ExitWithError();
}
ibv_port_attr attr;
- if (IbvQueryPort(context, g_port_num, &attr) < 0) {
+ if (IbvQueryPort(context.get(), g_port_num, &attr) < 0) {
PLOG(WARNING) << "Fail to query port " << g_port_num
<< " on " << IbvGetDeviceName(g_devices[i]);
if (FLAGS_rdma_device.size() > 0) {
ExitWithError();
}
- IbvCloseDevice(context);
continue;
}
if (attr.state != IBV_PORT_ACTIVE) {
- IbvCloseDevice(context);
continue;
}
if (FLAGS_rdma_device.size() > 0) {
if (strcmp(context->device->name, FLAGS_rdma_device.c_str()) == 0)
{
++available_devices;
- g_context = context;
+ g_context = context.release();
g_gid_tbl_len = attr.gid_tbl_len;
g_lid = attr.lid;
break;
}
} else {
- g_context = context;
+ if (g_context) {
Review Comment:
Agree. I'll push a commit that use the first HCA.
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