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| author | Siddhesh Poyarekar <siddhesh@redhat.com> | 2013-02-18 16:07:10 +0530 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@redhat.com> | 2013-02-18 16:07:10 +0530 |
| commit | 8313cb997d2da2465c8560d3164358a68ea1e9ad (patch) | |
| tree | b48995a23e51dc148f6a493b68faa9de83c6acdd /nptl/ChangeLog | |
| parent | f78b5caa6ece23ce86f6cabac8edf3ecd6850473 (diff) | |
| download | glibc-8313cb997d2da2465c8560d3164358a68ea1e9ad.zip glibc-8313cb997d2da2465c8560d3164358a68ea1e9ad.tar.gz glibc-8313cb997d2da2465c8560d3164358a68ea1e9ad.tar.bz2 | |
FUTEX_*_REQUEUE_PI support for non-x86 code
Add FUTEX_*_REQUEUE_PI support for the default C code and also add
implementations for s-390 and ppc.
Diffstat (limited to 'nptl/ChangeLog')
| -rw-r--r-- | nptl/ChangeLog | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index bcc1660..8fedcf4 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,33 @@ +2013-02-18 Siddhesh Poyarekar <siddhesh@redhat.com> + + [BZ #14920] + * pthreadP.h (USE_REQUEUE_PI): New macro to check if mutex is + PI-aware. + * pthread_cond_broadcast.c (__pthread_cond_broadcast): Use + PI-aware futex operations if available and mutex is PI-aware. + * pthread_cond_signal.c (__pthread_cond_signal): Likewise. + * nptl/pthread_cond_timedwait.c (__pthread_cond_timedwait): + Likewise. + * pthread_cond_wait.c (__condvar_cleanup): Adjust lock if + cancellation occurred just after futex returned successfully + from a PI operation with the mutex held. + (__pthread_cond_wait): Use PI-aware futex operations if + available and mutex is PI-aware. + * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h + (FUTEX_WAIT_REQUEUE_PI): Define. + (FUTEX_CMP_REQUEUE_PI): Likewise. + (lll_futex_wait_requeue_pi): Likewise. + (lll_futex_timed_wait_requeue_pi): Likewise. + (lll_futex_cmp_requeue_pi): Likewise. + * nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h + (FUTEX_WAIT_REQUEUE_PI): Define. + (FUTEX_CMP_REQUEUE_PI): Likewise. + (lll_futex_wait_requeue_pi): Likewise. + (lll_futex_timed_wait_requeue_pi): Likewise. + (lll_futex_cmp_requeue_pi): Likewise. + * sysdeps/unix/sysv/linux/kernel-features.h: Define + __ASSUME_REQUEUE_PI for Linux version higher than 2.6.31. + 2013-02-04 Andreas Schwab <schwab@suse.de> [BZ #14142] |