| //===---------- Linux implementation of a quick exit function ---*- C++ -*-===// |
| // |
| // 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/__support/common.h" |
| #include "syscall.h" // For internal syscall function. |
| #include <sys/syscall.h> // For syscall numbers. |
| |
| namespace LIBC_NAMESPACE { |
| |
| // mark as no_stack_protector for x86 since TLS can be torn down before calling |
| // quick_exit so that the stack protector canary cannot be loaded. |
| #ifdef LIBC_TARGET_ARCH_IS_X86 |
| __attribute__((no_stack_protector)) |
| #endif |
| __attribute__((noreturn)) void |
| quick_exit(int status) { |
| for (;;) { |
| LIBC_NAMESPACE::syscall_impl<long>(SYS_exit_group, status); |
| LIBC_NAMESPACE::syscall_impl<long>(SYS_exit, status); |
| } |
| } |
| |
| } // namespace LIBC_NAMESPACE |
