third_party/re2/util/thread.cc

   1 // Copyright 2009 The RE2 Authors.  All Rights Reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 #include <pthread.h>
   6
   7 #include "util/util.h"
   8 #include "util/thread.h"
   9
  10 Thread::Thread() {
  11   pid_ = 0;
  12   running_ = 0;
  13   joinable_ = 0;
  14 }
  15
  16 Thread::~Thread() {
  17 }
  18
  19 void *startThread(void *v) {
  20   Thread* t = (Thread*)v;
  21   t->Run();
  22   return 0;
  23 }
  24
  25 void Thread::Start() {
  26   CHECK(!running_);
  27   pthread_create(&pid_, 0, startThread, this);
  28   running_ = true;
  29   if (!joinable_)
  30     pthread_detach(pid_);
  31 }
  32
  33 void Thread::Join() {
  34   CHECK(running_);
  35   CHECK(joinable_);
  36   void *val;
  37   pthread_join(pid_, &val);
  38   running_ = 0;
  39 }
  40
  41 void Thread::SetJoinable(bool j) {
  42   CHECK(!running_);
  43   joinable_ = j;
  44 }