1 //===-- Implementation of feholdexcept function ---------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "src/fenv/feholdexcept.h"
10 #include "src/__support/FPUtil/FEnvUtils.h"
11 #include "src/__support/common.h"
12 
13 #include <fenv.h>
14 
15 namespace __llvm_libc {
16 
17 LLVM_LIBC_FUNCTION(int, feholdexcept, (fenv_t * envp)) {
18   if (fputil::getEnv(envp) != 0)
19     return -1;
20   fputil::clearExcept(FE_ALL_EXCEPT);
21   fputil::disableExcept(FE_ALL_EXCEPT);
22   return 0;
23 }
24 
25 } // namespace __llvm_libc
26