+2016-06-13 Adhemerval Zanella <adhemerval.zanella@linaro.org>
+
+ * nptl/pthread_mutex_init.c [__ASSUME_FUTEX_LOCK_PI]
+ (prio_inherit_missing): Remove define.
+ * sysdeps/unix/sysv/linux/arm/kernel-features.h
+ (__ASSUME_FUTEX_LOCK_PI): Likewise.
+ * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_FUTEX_LOCK_PI):
+ Likewise.
+ * sysdeps/unix/sysv/linux/m68k/kernel-features.h
+ (__ASSUME_FUTEX_LOCK_PI): Likewise.
+ * sysdeps/unix/sysv/linux/mips/kernel-features.h
+ (__ASSUME_FUTEX_LOCK_PI): Likewise.
+ * sysdeps/unix/sysv/linux/sparc/kernel-features.h
+ (__ASSUME_FUTEX_LOCK_PI): Likewise.
+
2016-06-11 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #19670]
prio_inherit_missing (void)
{
#ifdef __NR_futex
-# ifndef __ASSUME_FUTEX_LOCK_PI
static int tpi_supported;
if (__glibc_unlikely (tpi_supported == 0))
{
tpi_supported = INTERNAL_SYSCALL_ERRNO (ret, err) == ENOSYS ? -1 : 1;
}
return __glibc_unlikely (tpi_supported < 0);
-# endif
- return false;
#endif
return true;
}
futex_atomic_cmpxchg_inatomic, depending on kernel
configuration. */
#if __LINUX_KERNEL_VERSION < 0x030E03
-# undef __ASSUME_FUTEX_LOCK_PI
# undef __ASSUME_REQUEUE_PI
# undef __ASSUME_SET_ROBUST_LIST
#endif
configurations). */
#define __ASSUME_SET_ROBUST_LIST 1
-/* Support for PI futexes was added in 2.6.18 (but some architectures
- lack futex_atomic_cmpxchg_inatomic in some configurations). */
-#define __ASSUME_FUTEX_LOCK_PI 1
-
/* Support for private futexes was added in 2.6.22. */
#define __ASSUME_PRIVATE_FUTEX 1
/* No support for PI futexes or robust mutexes before 3.10 for m68k. */
#if __LINUX_KERNEL_VERSION < 0x030a00
-# undef __ASSUME_FUTEX_LOCK_PI
# undef __ASSUME_REQUEUE_PI
# undef __ASSUME_SET_ROBUST_LIST
#endif
/* The MIPS kernel does not support futex_atomic_cmpxchg_inatomic if
emulating LL/SC. */
#if __mips == 1 || defined _MIPS_ARCH_R5900
-# undef __ASSUME_FUTEX_LOCK_PI
# undef __ASSUME_REQUEUE_PI
# undef __ASSUME_SET_ROBUST_LIST
#endif
/* 32-bit SPARC kernels do not support
futex_atomic_cmpxchg_inatomic. */
#if !defined __arch64__ && !defined __sparc_v9__
-# undef __ASSUME_FUTEX_LOCK_PI
# undef __ASSUME_REQUEUE_PI
# undef __ASSUME_SET_ROBUST_LIST
#endif