1 //===-- Linux implementation of sigemptyset -------------------------------===//
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/signal/sigemptyset.h"
10 #include "include/errno.h" // For E* macros.
11 #include "src/errno/llvmlibc_errno.h"
12 #include "src/signal/linux/signal.h"
13 
14 #include "src/__support/common.h"
15 
16 namespace __llvm_libc {
17 
LLVM_LIBC_ENTRYPOINT(sigemptyset)18 int LLVM_LIBC_ENTRYPOINT(sigemptyset)(sigset_t *set) {
19   if (!set) {
20     llvmlibc_errno = EINVAL;
21     return -1;
22   }
23   *set = __llvm_libc::Sigset::emptySet();
24   return 0;
25 }
26 
27 } // namespace __llvm_libc
28