60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
//===-- tsan_rtl_proc.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 ThreadSanitizer (TSan), a race detector.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "sanitizer_common/sanitizer_placement_new.h"
|
|
#include "tsan_rtl.h"
|
|
#include "tsan_mman.h"
|
|
#include "tsan_flags.h"
|
|
|
|
namespace __tsan {
|
|
|
|
Processor *ProcCreate() {
|
|
void *mem = InternalAlloc(sizeof(Processor));
|
|
internal_memset(mem, 0, sizeof(Processor));
|
|
Processor *proc = new(mem) Processor;
|
|
proc->thr = nullptr;
|
|
#if !SANITIZER_GO
|
|
AllocatorProcStart(proc);
|
|
#endif
|
|
if (common_flags()->detect_deadlocks)
|
|
proc->dd_pt = ctx->dd->CreatePhysicalThread();
|
|
return proc;
|
|
}
|
|
|
|
void ProcDestroy(Processor *proc) {
|
|
CHECK_EQ(proc->thr, nullptr);
|
|
#if !SANITIZER_GO
|
|
AllocatorProcFinish(proc);
|
|
#endif
|
|
ctx->clock_alloc.FlushCache(&proc->clock_cache);
|
|
ctx->metamap.OnProcIdle(proc);
|
|
if (common_flags()->detect_deadlocks)
|
|
ctx->dd->DestroyPhysicalThread(proc->dd_pt);
|
|
proc->~Processor();
|
|
InternalFree(proc);
|
|
}
|
|
|
|
void ProcWire(Processor *proc, ThreadState *thr) {
|
|
CHECK_EQ(thr->proc1, nullptr);
|
|
CHECK_EQ(proc->thr, nullptr);
|
|
thr->proc1 = proc;
|
|
proc->thr = thr;
|
|
}
|
|
|
|
void ProcUnwire(Processor *proc, ThreadState *thr) {
|
|
CHECK_EQ(thr->proc1, proc);
|
|
CHECK_EQ(proc->thr, thr);
|
|
thr->proc1 = nullptr;
|
|
proc->thr = nullptr;
|
|
}
|
|
|
|
} // namespace __tsan
|