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Diffstat (limited to 'nptl/ChangeLog')
| -rw-r--r-- | nptl/ChangeLog | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 071e7048cc..1ff058e21b 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,95 @@ +2004-05-21 Jakub Jelinek <jakub@redhat.com> + + * Makefile (tests): Add tst-cond16. + * sysdeps/unix/sysv/linux/lowlevelcond.sym (cond_futex): Add. + * pthread_cond_init.c (__pthread_cond_init): Clear __data.__futex. + * sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h (pthread_cond_t): + Add __data.__futex field, reshuffle __data.__clock. + * sysdeps/unix/sysv/linux/i386/pthread_cond_signal.S + (__pthread_cond_signal): Increment __futex at the same time as + __wakeup_seq or __total_seq. Pass address of __futex instead of + address of low 32-bits of __wakeup_seq to futex syscall. + * sysdeps/unix/sysv/linux/i386/pthread_cond_wait.S + (__pthread_cond_wait): Likewise. Pass __futex value from before + releasing internal lock to FUTEX_WAIT. + * sysdeps/unix/sysv/linux/i386/pthread_cond_timedwait.S + (__pthread_cond_timedwait): Likewise. + * sysdeps/unix/sysv/linux/i386/pthread_cond_broadcast.S + (FUTEX_CMP_REQUEUE): Define. + (__pthread_cond_broadcast): Set __futex to 2 * __total_seq. + Use FUTEX_CMP_REQUEUE operation instead of FUTEX_REQUEUE. + Pass __futex value from before the unlock and __futex address instead + of address of low 32-bits of __wakeup_seq to futex syscall. + Fallback to FUTEX_WAKE all on any errors. + * sysdeps/unix/sysv/linux/alpha/lowlevellock.h (FUTEX_CMP_REQUEUE): + Define. + (lll_futex_requeue): Add val argument, use FUTEX_CMP_REQUEUE + internally. Return non-zero if error, zero if success. + * sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h (pthread_cond_t): + Add __data.__futex field, reshuffle __data.__clock. + * sysdeps/unix/sysv/linux/s390/lowlevellock.h (FUTEX_CMP_REQUEUE): + Define. + (lll_futex_requeue): Add val argument, return 1 unconditionally + for the time being. + * sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h (pthread_cond_t): + Add __data.__futex field, reshuffle __data.__clock. + * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h (FUTEX_CMP_REQUEUE): + Define. + (lll_futex_requeue): Add val argument, use FUTEX_CMP_REQUEUE + internally. Return non-zero if error, zero if success. + * sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h + (pthread_cond_t): Add __data.__futex field, reshuffle __data.__clock. + * sysdeps/unix/sysv/linux/sparc/lowlevellock.h (FUTEX_CMP_REQUEUE): + Define. + (lll_futex_requeue): Add val argument, use FUTEX_CMP_REQUEUE + internally. Return non-zero if error, zero if success. + * sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h (pthread_cond_t): + Add __data.__futex field, reshuffle __data.__clock. + * sysdeps/unix/sysv/linux/ia64/lowlevellock.h (FUTEX_CMP_REQUEUE): + Define. + (lll_futex_requeue): Add val argument, use FUTEX_CMP_REQUEUE + internally. Return non-zero if error, zero if success. + * sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h (pthread_cond_t): + Add __data.__futex field, reshuffle __data.__clock. + * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h (pthread_cond_t): + Add __data.__futex field, reshuffle __data.__clock. + * sysdeps/pthread/pthread_cond_signal.c (__pthread_cond_signal): + Increment __futex at the same time as __wakeup_seq or __total_seq. + Pass address of __futex instead of address of low 32-bits of + __wakeup_seq to futex syscall. + * sysdeps/pthread/pthread_cond_wait.c (__pthread_cond_wait): Likewise. + Pass __futex value from before releasing internal lock + to FUTEX_WAIT. + * sysdeps/pthread/pthread_cond_timedwait.c (__pthread_cond_timedwait): + Likewise. Avoid unnecessary shadowing of variables. + * sysdeps/pthread/pthread_cond_broadcast.c (__pthread_cond_broadcast): + Set __futex to 2 * __total_seq. Pass __futex value from before the + unlock and __futex address instead of address of low 32-bits of + __wakeup_seq to futex_requeue macro, adjust for new return value + meaning. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S + (__pthread_cond_signal): Increment __futex at the same time as + __wakeup_seq or __total_seq. Pass address of __futex instead of + address of low 32-bits of __wakeup_seq to futex syscall. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S + (__pthread_cond_wait): Likewise. Pass __futex value from before + releasing internal lock to FUTEX_WAIT. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S + (__pthread_cond_timedwait): Likewise. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S + (FUTEX_CMP_REQUEUE): Define. + (__pthread_cond_broadcast): Set __futex to 2 * __total_seq. + Use FUTEX_CMP_REQUEUE operation instead of FUTEX_REQUEUE. + Pass __futex value from before the unlock and __futex address instead + of address of low 32-bits of __wakeup_seq to futex syscall. + Fallback to FUTEX_WAKE all on any errors. + +2004-06-03 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sysdeps/unix/sysv/linux/sh/lowlevellock.h (lll_mutex_lock): + Add nop to align the end of critical section. + (lll_mutex_cond_lock, lll_mutex_timedlock): Likewise. + 2004-06-01 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h (pthread_cond_t): |