Refs #10260 OpenBSD support #25327

runtime/vm/os_thread_openbsd.cc

Index: runtime/vm/os_thread_openbsd.cc
diff --git a/runtime/vm/os_thread_android.cc b/runtime/vm/os_thread_openbsd.cc
similarity index 98%
copy from runtime/vm/os_thread_android.cc
copy to runtime/vm/os_thread_openbsd.cc
index c02fd9ab4a81b6f281a06b0b3721b7a8a82ccdc6..51b0100c9be3b3e3a4948de30c5365156abb923b 100644
--- a/runtime/vm/os_thread_android.cc
+++ b/runtime/vm/os_thread_openbsd.cc
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"  // NOLINT
-#if defined(TARGET_OS_ANDROID)
+#if defined(TARGET_OS_OPENBSD)
 
 #include "vm/os_thread.h"
 
@@ -135,7 +135,6 @@ const ThreadId OSThread::kInvalidThreadId = static_cast<ThreadId>(0);
 const ThreadJoinId OSThread::kInvalidThreadJoinId =
     static_cast<ThreadJoinId>(0);
 
-
 ThreadLocalKey OSThread::CreateThreadLocal(ThreadDestructor destructor) {
   pthread_key_t key = kUnsetThreadLocalKey;
   int result = pthread_key_create(&key, destructor);
@@ -166,7 +165,7 @@ intptr_t OSThread::GetMaxStackSize() {
 
 
 ThreadId OSThread::GetCurrentThreadId() {
-  return gettid();
+  return pthread_self();
 }
 
 
@@ -188,17 +187,17 @@ void OSThread::Join(ThreadJoinId id) {
 
 intptr_t OSThread::ThreadIdToIntPtr(ThreadId id) {
   ASSERT(sizeof(id) == sizeof(intptr_t));
-  return static_cast<intptr_t>(id);
+  return reinterpret_cast<intptr_t>(id);
 }
 
 
 ThreadId OSThread::ThreadIdFromIntPtr(intptr_t id) {
-  return static_cast<ThreadId>(id);
+  return reinterpret_cast<ThreadId>(id);
 }
 
 
 bool OSThread::Compare(ThreadId a, ThreadId b) {
-  return a == b;
+  return pthread_equal(a, b) != 0;
 }
 
 
@@ -230,8 +229,8 @@ Mutex::Mutex() {
   result = pthread_mutexattr_destroy(&attr);
   VALIDATE_PTHREAD_RESULT(result);
 
-#if defined(DEBUG)
   // When running with assertions enabled we do track the owner.
+#if defined(DEBUG)
   owner_ = OSThread::kInvalidThreadId;
 #endif  // defined(DEBUG)
 }
@@ -242,8 +241,8 @@ Mutex::~Mutex() {
   // Verify that the pthread_mutex was destroyed.
   VALIDATE_PTHREAD_RESULT(result);
 
-#if defined(DEBUG)
   // When running with assertions enabled we do track the owner.
+#if defined(DEBUG)
   ASSERT(owner_ == OSThread::kInvalidThreadId);
 #endif  // defined(DEBUG)
 }
@@ -254,8 +253,8 @@ void Mutex::Lock() {
   // Specifically check for dead lock to help debugging.
   ASSERT(result != EDEADLK);
   ASSERT_PTHREAD_SUCCESS(result);  // Verify no other errors.
-#if defined(DEBUG)
   // When running with assertions enabled we do track the owner.
+#if defined(DEBUG)
   owner_ = OSThread::GetCurrentThreadId();
 #endif  // defined(DEBUG)
 }
@@ -268,8 +267,8 @@ bool Mutex::TryLock() {
     return false;
   }
   ASSERT_PTHREAD_SUCCESS(result);  // Verify no other errors.
-#if defined(DEBUG)
   // When running with assertions enabled we do track the owner.
+#if defined(DEBUG)
   owner_ = OSThread::GetCurrentThreadId();
 #endif  // defined(DEBUG)
   return true;
@@ -277,8 +276,8 @@ bool Mutex::TryLock() {
 
 
 void Mutex::Unlock() {
-#if defined(DEBUG)
   // When running with assertions enabled we do track the owner.
+#if defined(DEBUG)
   ASSERT(IsOwnedByCurrentThread());
   owner_ = OSThread::kInvalidThreadId;
 #endif  // defined(DEBUG)
@@ -415,4 +414,4 @@ void Monitor::NotifyAll() {
 
 }  // namespace dart
 
-#endif  // defined(TARGET_OS_ANDROID)
+#endif  // defined(TARGET_OS_OPENBSD)