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Code Issues Releases Activity

os: improve thread name codegen

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This commit is contained in:
Michael Scire 2021-10-01 00:41:35 -07:00
parent 82f3416799
commit 3eac814268
1 changed files with 7 additions and 2 deletions
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9
libraries/libstratosphere/source/os/impl/os_thread_manager.cpp
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@ -213,14 +213,19 @@ namespace ams::os::impl {
/* TODO void ThreadManager::GetThreadContext(ThreadContextInfo *out_context, const ThreadType *thread); */ /* TODO void ThreadManager::GetThreadContext(ThreadContextInfo *out_context, const ThreadType *thread); */
namespace {
constexpr inline const char MainThreadName[] = "MainThread";
constexpr inline const char ThreadNamePrefix[] = "Thread_0x";
}
void ThreadManager::SetInitialThreadNameUnsafe(ThreadType *thread) { void ThreadManager::SetInitialThreadNameUnsafe(ThreadType *thread) {
if (thread == std::addressof(this->main_thread)) { if (thread == std::addressof(this->main_thread)) {
constexpr const char MainThreadName[] = "MainThread";
static_assert(sizeof(thread->name_buffer) >= sizeof(MainThreadName)); static_assert(sizeof(thread->name_buffer) >= sizeof(MainThreadName));
static_assert(MainThreadName[sizeof(MainThreadName) - 1] == '\x00'); static_assert(MainThreadName[sizeof(MainThreadName) - 1] == '\x00');
std::memcpy(thread->name_buffer, MainThreadName, sizeof(MainThreadName)); std::memcpy(thread->name_buffer, MainThreadName, sizeof(MainThreadName));
} else { } else {
constexpr const char ThreadNamePrefix[] = "Thread_0x";
constexpr size_t ThreadNamePrefixSize = sizeof(ThreadNamePrefix) - 1; constexpr size_t ThreadNamePrefixSize = sizeof(ThreadNamePrefix) - 1;
const u64 func = reinterpret_cast<u64>(thread->function); const u64 func = reinterpret_cast<u64>(thread->function);
static_assert(ThreadNamePrefixSize + sizeof(func) * 2 + 1 <= sizeof(thread->name_buffer)); static_assert(ThreadNamePrefixSize + sizeof(func) * 2 + 1 <= sizeof(thread->name_buffer));