| 1 | //===-- HostThreadPosix.cpp -----------------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "lldb/Host/posix/HostThreadPosix.h" |
| 10 | #include "lldb/Utility/Status.h" |
| 11 | |
| 12 | #include <cerrno> |
| 13 | #include <pthread.h> |
| 14 | |
| 15 | using namespace lldb; |
| 16 | using namespace lldb_private; |
| 17 | |
| 18 | HostThreadPosix::HostThreadPosix() = default; |
| 19 | |
| 20 | HostThreadPosix::HostThreadPosix(lldb::thread_t thread) |
| 21 | : HostNativeThreadBase(thread) {} |
| 22 | |
| 23 | HostThreadPosix::~HostThreadPosix() = default; |
| 24 | |
| 25 | Status HostThreadPosix::Join(lldb::thread_result_t *result) { |
| 26 | Status error; |
| 27 | if (IsJoinable()) { |
| 28 | int err = ::pthread_join(th: m_thread, thread_return: result); |
| 29 | error = Status(err, lldb::eErrorTypePOSIX); |
| 30 | } else { |
| 31 | if (result) |
| 32 | *result = nullptr; |
| 33 | error = Status(EINVAL, eErrorTypePOSIX); |
| 34 | } |
| 35 | |
| 36 | Reset(); |
| 37 | return error; |
| 38 | } |
| 39 | |
| 40 | Status HostThreadPosix::Cancel() { |
| 41 | Status error; |
| 42 | if (IsJoinable()) { |
| 43 | #ifndef __FreeBSD__ |
| 44 | llvm_unreachable("someone is calling HostThread::Cancel()"); |
| 45 | #else |
| 46 | int err = ::pthread_cancel(m_thread); |
| 47 | error = Status(err, eErrorTypePOSIX); |
| 48 | #endif |
| 49 | } |
| 50 | return error; |
| 51 | } |
| 52 | |
| 53 | Status HostThreadPosix::Detach() { |
| 54 | Status error; |
| 55 | if (IsJoinable()) { |
| 56 | int err = ::pthread_detach(th: m_thread); |
| 57 | error = Status(err, eErrorTypePOSIX); |
| 58 | } |
| 59 | Reset(); |
| 60 | return error; |
| 61 | } |
| 62 |