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Diffstat (limited to 'nptl/ChangeLog')
| -rw-r--r-- | nptl/ChangeLog | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 2aa77d9133..6306a7b0c6 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,62 @@ +2004-09-02 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h (pthread_cond_t): + Rename __data.__clock to __data.__nwaiters, make it unsigned int. + * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h (pthread_cond_t): + Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: + Decrement __nwaiters. If pthread_cond_destroy has been called and + this is the last waiter, signal pthread_cond_destroy caller and + avoid using the pthread_cond_t structure after unlock. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise. + Read clock type from the least significant bits of __nwaiters instead + of __clock. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise. + * sysdeps/unix/sysv/linux/internaltypes.h: Define COND_CLOCK_BITS. + +2004-08-31 Jakub Jelinek <jakub@redhat.com> + + [BZ #342] + * Makefile (tests): Add tst-cond20 and tst-cond21. + * tst-cond20.c: New test. + * tst-cond21.c: New test. + * sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h + (pthread_cond_t): Rename __data.__clock to __data.__nwaiters, make + it unsigned int. + * sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h (pthread_cond_t): + Likewise. + * sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h + (pthread_cond_t): Likewise. + * sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h (pthread_cond_t): + Likewise. + * sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h (pthread_cond_t): + Likewise. + * sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h (pthread_cond_t): + Likewise. + * sysdeps/unix/sysv/linux/lowlevelcond.sym (cond_clock): Remove. + (cond_nwaiters): New. + (clock_bits): New. + * pthread_cond_destroy.c (__pthread_cond_destroy): Return EBUSY + if there are waiters not signalled yet. + Wait until all already signalled waiters wake up. + * sysdeps/pthread/pthread_cond_wait.c (__condvar_cleanup): Decrement + __nwaiters. If pthread_cond_destroy has been called and this is the + last waiter, signal pthread_cond_destroy caller and avoid using + the pthread_cond_t structure after unlock. + (__pthread_cond_wait): Increment __nwaiters in the beginning, + decrement it when leaving. If pthread_cond_destroy has been called + and this is the last waiter, signal pthread_cond_destroy caller. + * sysdeps/pthread/pthread_cond_timedwait.c (__pthread_cond_timedwait): + Likewise. Read clock type from the least significant bits of + __nwaiters instead of __clock. + * pthread_condattr_setclock.c (pthread_condattr_setclock): Check + whether clock ID can be encoded in COND_CLOCK_BITS bits. + * pthread_condattr_getclock.c (pthread_condattr_getclock): Decode + clock type just from the last COND_CLOCK_BITS bits of value. + * pthread_cond_init.c (__pthread_cond_init): Initialize __nwaiters + instead of __clock, just from second bit of condattr's value. + 2004-08-30 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Include |