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//===-- 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
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