| //===-- Implementation file for setitimer ---------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| #include "src/sys/time/setitimer.h" |
| #include "hdr/types/struct_itimerval.h" |
| #include "src/__support/OSUtil/syscall.h" |
| #include "src/__support/common.h" |
| #include "src/errno/libc_errno.h" |
| #include <sys/syscall.h> |
| |
| namespace LIBC_NAMESPACE_DECL { |
| |
| LLVM_LIBC_FUNCTION(int, setitimer, |
| (int which, const struct itimerval *new_value, |
| struct itimerval *old_value)) { |
| long ret = LIBC_NAMESPACE::syscall_impl<long>(SYS_setitimer, which, new_value, |
| old_value); |
| // On failure, return -1 and set errno. |
| if (ret < 0) { |
| libc_errno = static_cast<int>(-ret); |
| return -1; |
| } |
| return 0; |
| } |
| |
| } // namespace LIBC_NAMESPACE_DECL |