| //===-- sanitizer_syscall_generic.inc ---------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Generic implementations of internal_syscall and internal_iserror. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #if SANITIZER_FREEBSD || SANITIZER_MAC |
| # define SYSCALL(name) SYS_ ## name |
| #else |
| # define SYSCALL(name) __NR_ ## name |
| #endif |
| |
| #if (SANITIZER_FREEBSD || SANITIZER_MAC) && defined(__x86_64__) |
| # define internal_syscall __syscall |
| # else |
| # define internal_syscall syscall |
| #endif |
| |
| bool internal_iserror(uptr retval, int *rverrno) { |
| if (retval == (uptr)-1) { |
| if (rverrno) |
| *rverrno = errno; |
| return true; |
| } else { |
| return false; |
| } |
| } |
