folly/test/ThreadNameTest.cpp

   1 /*
   2  * Copyright 2017 Facebook, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <thread>
  18
  19 #include <folly/Baton.h>
  20 #include <folly/ScopeGuard.h>
  21 #include <folly/ThreadName.h>
  22 #include <folly/portability/GTest.h>
  23
  24 using namespace std;
  25 using namespace folly;
  26
  27 static bool expectedSetOtherThreadNameResult = folly::canSetOtherThreadName();
  28 static bool expectedSetSelfThreadNameResult = folly::canSetCurrentThreadName();
  29
  30 TEST(ThreadName, setThreadName_self) {
  31   thread th([] {
  32     EXPECT_EQ(expectedSetSelfThreadNameResult, setThreadName("rockin-thread"));
  33   });
  34   SCOPE_EXIT { th.join(); };
  35 }
  36
  37 TEST(ThreadName, setThreadName_other_pthread) {
  38   Baton<> handle_set;
  39   Baton<> let_thread_end;
  40   pthread_t handle;
  41   thread th([&] {
  42       handle = pthread_self();
  43       handle_set.post();
  44       let_thread_end.wait();
  45   });
  46   SCOPE_EXIT { th.join(); };
  47   handle_set.wait();
  48   SCOPE_EXIT { let_thread_end.post(); };
  49   EXPECT_EQ(
  50       expectedSetOtherThreadNameResult, setThreadName(handle, "rockin-thread"));
  51 }
  52
  53 TEST(ThreadName, setThreadName_other_native) {
  54   Baton<> let_thread_end;
  55   thread th([&] {
  56       let_thread_end.wait();
  57   });
  58   SCOPE_EXIT { th.join(); };
  59   SCOPE_EXIT { let_thread_end.post(); };
  60   EXPECT_EQ(
  61       expectedSetOtherThreadNameResult,
  62       setThreadName(th.native_handle(), "rockin-thread"));
  63 }
  64
  65 TEST(ThreadName, setThreadName_other_id) {
  66   Baton<> let_thread_end;
  67   thread th([&] {
  68       let_thread_end.wait();
  69   });
  70   SCOPE_EXIT { th.join(); };
  71   SCOPE_EXIT { let_thread_end.post(); };
  72   EXPECT_EQ(
  73       expectedSetOtherThreadNameResult,
  74       setThreadName(th.get_id(), "rockin-thread"));
  75 }