diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2006-07-29 04:42:09 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2006-07-29 04:42:09 +0000 |
| commit | df47504c78f82b9c975b2a48a6c8b6dd73a79ce1 (patch) | |
| tree | 6706cdb46e20a69b3a4b4bffa9a29db9eeaff9c2 /nptl/sysdeps/unix/sysv | |
| parent | 6822f05652c50c63cdaacffd41b5ad2db0f027ce (diff) | |
2006-07-28 Ulrich Drepper <drepper@redhat.com>
Jakub Jelinek <jakub@redhat.com>
* 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.
Diffstat (limited to 'nptl/sysdeps/unix/sysv')
5 files changed, 24 insertions, 6 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/Makefile b/nptl/sysdeps/unix/sysv/linux/Makefile index 88dce1a886..cfcdb6d97f 100644 --- a/nptl/sysdeps/unix/sysv/linux/Makefile +++ b/nptl/sysdeps/unix/sysv/linux/Makefile @@ -25,7 +25,7 @@ libpthread-sysdep_routines += pt-fork pthread_mutex_cond_lock gen-as-const-headers += lowlevelcond.sym lowlevelrwlock.sym \ lowlevelbarrier.sym unwindbuf.sym \ - lowlevelrobustlock.sym + lowlevelrobustlock.sym pthread-pi-defines.sym endif ifeq ($(subdir),posix) diff --git a/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h b/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h index 92c2d32827..d8eced1f22 100644 --- a/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h +++ b/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h @@ -1,5 +1,5 @@ /* Define POSIX options for Linux. - Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1996-2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -79,6 +79,9 @@ /* We support user-defined stacks. */ #define _POSIX_THREAD_ATTR_STACKADDR 200112L +/* We support priority inheritence. */ +#define _POSIX_THREAD_PRIO_INHERIT 200112L + /* We support POSIX.1b semaphores. */ #define _POSIX_SEMAPHORES 200112L @@ -171,8 +174,7 @@ /* Typed memory objects are not available. */ #define _POSIX_TYPED_MEMORY_OBJECTS -1 -/* No support for priority inheritance or protection so far. */ -#define _POSIX_THREAD_PRIO_INHERIT -1 +/* No support for priority protection so far. */ #define _POSIX_THREAD_PRIO_PROTECT -1 #endif /* posix_opt.h */ diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S index 5471c1c927..56f7be8246 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -21,6 +21,7 @@ #include <shlib-compat.h> #include <lowlevelcond.h> #include <kernel-features.h> +#include <pthread-pi-defines.h> #ifdef UP # define LOCK @@ -94,6 +95,10 @@ __pthread_cond_broadcast: 8: cmpl $-1, %edi je 9f + /* XXX: The kernel so far doesn't support requeue to PI futex. */ + testl $PI_BIT, MUTEX_KIND(%edi) + jne 9f + /* Wake up all threads. */ movl $FUTEX_CMP_REQUEUE, %ecx movl $SYS_futex, %eax diff --git a/nptl/sysdeps/unix/sysv/linux/pthread-pi-defines.sym b/nptl/sysdeps/unix/sysv/linux/pthread-pi-defines.sym new file mode 100644 index 0000000000..a1b6794260 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/pthread-pi-defines.sym @@ -0,0 +1,6 @@ +#include <pthreadP.h> + +-- These PI macros are used by assembly code. + +MUTEX_KIND offsetof (pthread_mutex_t, __data.__kind) +PI_BIT PTHREAD_MUTEX_PRIO_INHERIT_NP diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S index 72e7bc5b24..006de2696e 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -21,6 +21,7 @@ #include <shlib-compat.h> #include <lowlevelcond.h> #include <kernel-features.h> +#include <pthread-pi-defines.h> #ifdef UP # define LOCK @@ -80,6 +81,10 @@ __pthread_cond_broadcast: 8: cmpq $-1, %r8 je 9f + /* XXX: The kernel so far doesn't support requeue to PI futex. */ + testl $PI_BIT, MUTEX_KIND(%r8) + jne 9f + /* Wake up all threads. */ movl $FUTEX_CMP_REQUEUE, %esi movl $SYS_futex, %eax |