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author | nkozlovskiy <nmk@ydb.tech> | 2023-12-04 19:26:35 +0300 |
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committer | nkozlovskiy <nmk@ydb.tech> | 2023-12-05 05:25:43 +0300 |
commit | e62474f851635573f9f6631039e113a02fd50179 (patch) | |
tree | 597d4bc8aad74ef42c55fd062398e93eceebfee3 /contrib/libs/clang16-rt/lib/memprof/memprof_posix.cpp | |
parent | e7eddec34be4f360877b46ffa2b70fde8a3a5b8f (diff) | |
download | ydb-e62474f851635573f9f6631039e113a02fd50179.tar.gz |
ydb-oss sync: add clang16-rt/ to additionalPathsToCopy
Diffstat (limited to 'contrib/libs/clang16-rt/lib/memprof/memprof_posix.cpp')
-rw-r--r-- | contrib/libs/clang16-rt/lib/memprof/memprof_posix.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/contrib/libs/clang16-rt/lib/memprof/memprof_posix.cpp b/contrib/libs/clang16-rt/lib/memprof/memprof_posix.cpp new file mode 100644 index 0000000000..ee0821b851 --- /dev/null +++ b/contrib/libs/clang16-rt/lib/memprof/memprof_posix.cpp @@ -0,0 +1,55 @@ +//===-- memprof_posix.cpp ------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file is a part of MemProfiler, a memory profiler. +// +// Posix-specific details. +//===----------------------------------------------------------------------===// + +#include "sanitizer_common/sanitizer_platform.h" +#if !SANITIZER_POSIX +#error Only Posix supported +#endif + +#include "memprof_thread.h" +#include "sanitizer_common/sanitizer_internal_defs.h" + +#include <pthread.h> + +namespace __memprof { + +// ---------------------- TSD ---------------- {{{1 + +static pthread_key_t tsd_key; +static bool tsd_key_inited = false; +void TSDInit(void (*destructor)(void *tsd)) { + CHECK(!tsd_key_inited); + tsd_key_inited = true; + CHECK_EQ(0, pthread_key_create(&tsd_key, destructor)); +} + +void *TSDGet() { + CHECK(tsd_key_inited); + return pthread_getspecific(tsd_key); +} + +void TSDSet(void *tsd) { + CHECK(tsd_key_inited); + pthread_setspecific(tsd_key, tsd); +} + +void PlatformTSDDtor(void *tsd) { + MemprofThreadContext *context = (MemprofThreadContext *)tsd; + if (context->destructor_iterations > 1) { + context->destructor_iterations--; + CHECK_EQ(0, pthread_setspecific(tsd_key, tsd)); + return; + } + MemprofThread::TSDDtor(tsd); +} +} // namespace __memprof |