1*8dc42802SSiva Chandra Reddy //===-- Implementation of the thrd_equal function -------------------------===//
2*8dc42802SSiva Chandra Reddy //
3*8dc42802SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*8dc42802SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information.
5*8dc42802SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*8dc42802SSiva Chandra Reddy //
7*8dc42802SSiva Chandra Reddy //===----------------------------------------------------------------------===//
8*8dc42802SSiva Chandra Reddy 
9*8dc42802SSiva Chandra Reddy #include "src/threads/thrd_equal.h"
10*8dc42802SSiva Chandra Reddy #include "src/__support/common.h"
11*8dc42802SSiva Chandra Reddy #include "src/__support/threads/thread.h"
12*8dc42802SSiva Chandra Reddy 
13*8dc42802SSiva Chandra Reddy #include <threads.h> // For thrd_* type definitions.
14*8dc42802SSiva Chandra Reddy 
15*8dc42802SSiva Chandra Reddy namespace __llvm_libc {
16*8dc42802SSiva Chandra Reddy 
17*8dc42802SSiva Chandra Reddy static_assert(sizeof(thrd_t) == sizeof(__llvm_libc::Thread),
18*8dc42802SSiva Chandra Reddy               "Mismatch between thrd_t and internal Thread.");
19*8dc42802SSiva Chandra Reddy 
20*8dc42802SSiva Chandra Reddy LLVM_LIBC_FUNCTION(int, thrd_equal, (thrd_t lhs, thrd_t rhs)) {
21*8dc42802SSiva Chandra Reddy   auto *lhs_internal = reinterpret_cast<Thread *>(&lhs);
22*8dc42802SSiva Chandra Reddy   auto *rhs_internal = reinterpret_cast<Thread *>(&rhs);
23*8dc42802SSiva Chandra Reddy   return *lhs_internal == *rhs_internal;
24*8dc42802SSiva Chandra Reddy }
25*8dc42802SSiva Chandra Reddy 
26*8dc42802SSiva Chandra Reddy } // namespace __llvm_libc
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