glibc/sysdeps/unix/sysv/linux/riscv/kernel-features.h
Andreas Schwab 295132ff05 RISC-V: don't assume PI mutexes and robust futexes before 4.20 (bug 23864)
Support for futex_cmpxchg as only been added to 4.20-rc1.
2018-11-07 09:37:48 +01:00

29 lines
1.1 KiB
C

/* Set flags signalling availability of kernel features based on given
kernel version number. RISC-V version.
Copyright (C) 2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include_next <kernel-features.h>
#undef __ASSUME_CLONE_DEFAULT
#define __ASSUME_CLONE_BACKWARDS 1
/* No support for PI mutexes or robust futexes before 4.20. */
#if __LINUX_KERNEL_VERSION < 0x041400
# undef __ASSUME_SET_ROBUST_LIST
#endif