62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
//===-- tsan_rtl_proc.cc ------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of ThreadSanitizer (TSan), a race detector.
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//
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//===----------------------------------------------------------------------===//
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#include "sanitizer_common/sanitizer_placement_new.h"
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#include "tsan_rtl.h"
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#include "tsan_mman.h"
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#include "tsan_flags.h"
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namespace __tsan {
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Processor *ProcCreate() {
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void *mem = InternalAlloc(sizeof(Processor));
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internal_memset(mem, 0, sizeof(Processor));
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Processor *proc = new(mem) Processor;
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proc->thr = nullptr;
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#ifndef SANITIZER_GO
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AllocatorProcStart(proc);
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#endif
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if (common_flags()->detect_deadlocks)
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proc->dd_pt = ctx->dd->CreatePhysicalThread();
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return proc;
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}
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void ProcDestroy(Processor *proc) {
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CHECK_EQ(proc->thr, nullptr);
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#ifndef SANITIZER_GO
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AllocatorProcFinish(proc);
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#endif
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ctx->clock_alloc.FlushCache(&proc->clock_cache);
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ctx->metamap.OnProcIdle(proc);
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if (common_flags()->detect_deadlocks)
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ctx->dd->DestroyPhysicalThread(proc->dd_pt);
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proc->~Processor();
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InternalFree(proc);
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}
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void ProcWire(Processor *proc, ThreadState *thr) {
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CHECK_EQ(thr->proc1, nullptr);
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CHECK_EQ(proc->thr, nullptr);
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thr->proc1 = proc;
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proc->thr = thr;
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}
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void ProcUnwire(Processor *proc, ThreadState *thr) {
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CHECK_EQ(thr->proc1, proc);
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CHECK_EQ(proc->thr, thr);
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thr->proc1 = nullptr;
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proc->thr = nullptr;
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}
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} // namespace __tsan
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