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e8d8bef961
This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp to llvmorg-12-init-17869-g8e464dd76bef, the last commit before the upstream release/12.x branch was created. PR: 255570 MFC after: 6 weeks
55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
//===-- memprof_posix.cpp ------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of MemProfiler, a memory profiler.
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//
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// Posix-specific details.
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//===----------------------------------------------------------------------===//
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#include "sanitizer_common/sanitizer_platform.h"
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#if !SANITIZER_POSIX
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#error Only Posix supported
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#endif
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#include "memprof_thread.h"
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#include "sanitizer_common/sanitizer_internal_defs.h"
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#include <pthread.h>
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namespace __memprof {
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// ---------------------- TSD ---------------- {{{1
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static pthread_key_t tsd_key;
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static bool tsd_key_inited = false;
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void TSDInit(void (*destructor)(void *tsd)) {
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CHECK(!tsd_key_inited);
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tsd_key_inited = true;
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CHECK_EQ(0, pthread_key_create(&tsd_key, destructor));
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}
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void *TSDGet() {
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CHECK(tsd_key_inited);
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return pthread_getspecific(tsd_key);
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}
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void TSDSet(void *tsd) {
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CHECK(tsd_key_inited);
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pthread_setspecific(tsd_key, tsd);
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}
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void PlatformTSDDtor(void *tsd) {
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MemprofThreadContext *context = (MemprofThreadContext *)tsd;
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if (context->destructor_iterations > 1) {
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context->destructor_iterations--;
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CHECK_EQ(0, pthread_setspecific(tsd_key, tsd));
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return;
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}
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MemprofThread::TSDDtor(tsd);
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}
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} // namespace __memprof
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