| //===-- Linux implementation of tcflow -----------------------------------===// |
| // |
| // 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/termios/tcflow.h" |
| |
| #include "src/__support/OSUtil/syscall.h" |
| #include "src/__support/common.h" |
| #include "src/errno/libc_errno.h" |
| |
| #include <asm/ioctls.h> // Safe to include without the risk of name pollution. |
| #include <sys/syscall.h> // For syscall numbers |
| #include <termios.h> |
| |
| namespace LIBC_NAMESPACE { |
| |
| LLVM_LIBC_FUNCTION(int, tcflow, (int fd, int action)) { |
| int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_ioctl, fd, TCXONC, action); |
| if (ret < 0) { |
| libc_errno = -ret; |
| return -1; |
| } |
| return 0; |
| } |
| |
| } // namespace LIBC_NAMESPACE |