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authornkozlovskiy <nmk@ydb.tech>2023-12-04 19:26:35 +0300
committernkozlovskiy <nmk@ydb.tech>2023-12-05 05:25:43 +0300
commite62474f851635573f9f6631039e113a02fd50179 (patch)
tree597d4bc8aad74ef42c55fd062398e93eceebfee3 /contrib/libs/clang16-rt/lib/memprof/memprof_posix.cpp
parente7eddec34be4f360877b46ffa2b70fde8a3a5b8f (diff)
downloadydb-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.cpp55
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