Mercurial > hg > CbC > CbC_gcc
view libsanitizer/tsan/tsan_rtl_proc.cpp @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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//===-- 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