From df47504c78f82b9c975b2a48a6c8b6dd73a79ce1 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 29 Jul 2006 04:42:09 +0000 Subject: 2006-07-28 Ulrich Drepper Jakub Jelinek * descr.h: Change ENQUEUE_MUTEX and DEQUEUE_MUTEX for bit 0 notification of PI mutex. Add ENQUEUE_MUTEX_PI. * pthreadP.h: Define PTHREAD_MUTEX_PI_* macros for PI mutex types. * pthread_mutex_setprioceilining.c: Adjust for mutex type name change. * pthread_mutex_init.c: Add support for priority inheritance mutex. * pthread_mutex_lock.c: Likewise. * pthread_mutex_timedlock.c: Likewise. * pthread_mutex_trylock.c: Likewise. * pthread_mutex_unlock.c: Likewise. * sysdeps/pthread/pthread_cond_broadcast.c: For PI mutexes wake all mutexes. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.c: Likewise. * sysdeps/unix/sysv/linux/pthread-pi-defines.sym: New file. * sysdeps/unix/sysv/linux/Makefile (gen-as-const-header): Add pthread-pi-defines.sym. * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Define FUTEX_LOCK_PI, FUTEX_UNLOCK_PI, and FUTEX_TRYLOCK_PI. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_THREAD_PRIO_INHERIT to 200112L. * tst-mutex1.c: Adjust to allow use in PI mutex test. * tst-mutex2.c: Likewise. * tst-mutex3.c: Likewise. * tst-mutex4.c: Likewise. * tst-mutex5.c: Likewise. * tst-mutex6.c: Likewise. * tst-mutex7.c: Likewise. * tst-mutex7a.c: Likewise. * tst-mutex8.c: Likewise. * tst-mutex9.c: Likewise. * tst-robust1.c: Likewise. * tst-robust7.c: Likewise. * tst-robust8.c: Likewise. * tst-mutexpi1.c: New file. * tst-mutexpi2.c: New file. * tst-mutexpi3.c: New file. * tst-mutexpi4.c: New file. * tst-mutexpi5.c: New file. * tst-mutexpi6.c: New file. * tst-mutexpi7.c: New file. * tst-mutexpi7a.c: New file. * tst-mutexpi8.c: New file. * tst-mutexpi9.c: New file. * tst-robust1.c: New file. * tst-robust2.c: New file. * tst-robust3.c: New file. * tst-robust4.c: New file. * tst-robust5.c: New file. * tst-robust6.c: New file. * tst-robust7.c: New file. * tst-robust8.c: New file. * Makefile (tests): Add the new tests. * pthread_create.c (start_thread): Add some casts to avoid warnings. * pthread_mutex_destroy.c: Remove unneeded label. --- nptl/pthread_create.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'nptl/pthread_create.c') diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c index 71365a17e8..c1ac199bb9 100644 --- a/nptl/pthread_create.c +++ b/nptl/pthread_create.c @@ -330,9 +330,11 @@ start_thread (void *arg) # else __pthread_slist_t *robust = pd->robust_list.__next; # endif -/* We let the kernel do the notification if it is able to do so. */ + /* We let the kernel do the notification if it is able to do so. + If we have to do it here there for sure are no PI mutexes involved + since the kernel support for them is even more recent. */ if (__set_robust_list_avail < 0 - && __builtin_expect (robust != &pd->robust_head, 0)) + && __builtin_expect (robust != (void *) &pd->robust_head, 0)) { do { @@ -348,7 +350,7 @@ start_thread (void *arg) lll_robust_mutex_dead (this->__lock); } - while (robust != &pd->robust_head); + while (robust != (void *) &pd->robust_head); } #endif -- cgit 1.4.1