diff options
Diffstat (limited to 'compiler-rt/lib/tsan/rtl/tsan_rtl_proc.cpp')
-rw-r--r-- | compiler-rt/lib/tsan/rtl/tsan_rtl_proc.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl_proc.cpp b/compiler-rt/lib/tsan/rtl/tsan_rtl_proc.cpp new file mode 100644 index 000000000000..def61cca14d5 --- /dev/null +++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_proc.cpp @@ -0,0 +1,60 @@ +//===-- 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 |