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Reland "Delete NO_MAIN_THREAD_WRAPPING preprocessor define."

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This is a reland of 0f78c6b28d

Original change's description:
> Delete NO_MAIN_THREAD_WRAPPING preprocessor define.
> 
> Since many tests rely on rtc::Thread::Current(), add an
> explicit rtc::AutoThread in the main() function used by tests.
> 
> Bug: webrtc:9714
> Change-Id: Id82121967c9621fe1c2945846009c48139fa57da
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/39680
> Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
> Commit-Queue: Niels Moller <nisse@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#28000}

Bug: webrtc:9714
Change-Id: I85f8a7058387771a31c099b1080ae53f1648dce6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/137513
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35932}
This commit is contained in:
Niels Möller 2022-02-07 10:35:29 +01:00 committed by WebRTC LUCI CQ
parent 1af9022732
commit 98d26df5b7
3 changed files with 2 additions and 28 deletions
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8
rtc_base/BUILD.gn
View file

@ -14,10 +14,6 @@ if (is_android) {
import("//build/config/android/rules.gni")
}
config("threading_chromium_config") {
defines = [ "NO_MAIN_THREAD_WRAPPING" ]
}
if (!rtc_build_ssl) {
config("external_ssl_library") {
assert(rtc_ssl_root != "",
@ -768,10 +764,6 @@ rtc_source_set("socket_server") {
rtc_library("threading") {
visibility = [ "*" ]
if (build_with_chromium) {
public_configs = [ ":threading_chromium_config" ]
}
sources = [
"async_resolver.cc",
"async_resolver.h",

17
rtc_base/thread.cc
View file

@ -255,19 +255,11 @@ Thread* Thread::Current() {
ThreadManager* manager = ThreadManager::Instance();
Thread* thread = manager->CurrentThread();
#ifndef NO_MAIN_THREAD_WRAPPING
// Only autowrap the thread which instantiated the ThreadManager.
if (!thread && manager->IsMainThread()) {
thread = new Thread(CreateDefaultSocketServer());
thread->WrapCurrentWithThreadManager(manager, true);
}
#endif
return thread;
}
#if defined(WEBRTC_POSIX)
ThreadManager::ThreadManager() : main_thread_ref_(CurrentThreadRef()) {
ThreadManager::ThreadManager() {
#if defined(WEBRTC_MAC)
InitCocoaMultiThreading();
#endif
@ -284,8 +276,7 @@ void ThreadManager::SetCurrentThreadInternal(Thread* thread) {
#endif
#if defined(WEBRTC_WIN)
ThreadManager::ThreadManager()
: key_(TlsAlloc()), main_thread_ref_(CurrentThreadRef()) {}
ThreadManager::ThreadManager() : key_(TlsAlloc()) {}
Thread* ThreadManager::CurrentThread() {
return static_cast<Thread*>(TlsGetValue(key_));
@ -341,10 +332,6 @@ void ThreadManager::UnwrapCurrentThread() {
}
}
bool ThreadManager::IsMainThread() {
return IsThreadRefEqual(CurrentThreadRef(), main_thread_ref_);
}
Thread::ScopedDisallowBlockingCalls::ScopedDisallowBlockingCalls()
: thread_(Thread::Current()),
previous_state_(thread_->SetAllowBlockingCalls(false)) {}

5
rtc_base/thread.h
View file

@ -141,8 +141,6 @@ class RTC_EXPORT ThreadManager {
Thread* WrapCurrentThread();
void UnwrapCurrentThread();
bool IsMainThread();
#if RTC_DCHECK_IS_ON
// Registers that a Send operation is to be performed between `source` and
// `target`, while checking that this does not cause a send cycle that could
@ -188,9 +186,6 @@ class RTC_EXPORT ThreadManager {
#if defined(WEBRTC_WIN)
const DWORD key_;
#endif
// The thread to potentially autowrap.
const PlatformThreadRef main_thread_ref_;
};
// WARNING! SUBCLASSES MUST CALL Stop() IN THEIR DESTRUCTORS! See ~Thread().