Avoid exposing internals of structures

* sysdeps/generic/bits/barrier-attr.h (__pthread_barrierattr): Rename
`pshared' field to `__pshared'.
* sysdeps/generic/bits/barrier.h (__pthread_barrier): Rename `lock',
`'queue', `pending', `count', `attr', and `data' fields to `__lock',
`__queue', `__pending', `__count', `__attr', and `__data'.
* sysdeps/generic/bits/cancelation.h (__pthread_cancelation_handler): Rename
`handler', `arg', and `next' fields to `__handler', `__arg', and `__next'.
* sysdeps/generic/bits/condition-attr.h (__pthread_condattr): Rename
`pshared' and `clock' fields to `__pshared', and `__clock'.
* sysdeps/generic/bits/mutex-attr.h (__pthread_mutexattr): Rename
`prioceiling', `protocol', `pshared', and `mutex_type' fields to
`__prioceiling', `__protocol', `__pshared', and `__mutex_type'.
* sysdeps/generic/bits/mutex.h (__pthread_mutex): Rename `cthreadscompat1',
`attr', `data', `owner', and `locks' fields to `__cthreadscompat1',
`__attr', `__data', `__owner', and `__locks'.
* sysdeps/generic/bits/once.h (__pthread_once): Rename `run' and `lock'
fields to `__run' and `__lock'.
* sysdeps/generic/bits/rwlock-attr.h (__pthread_rwlockattr): Rename
`psharead' field to `__pshared'.
* sysdeps/generic/bits/rwlock.h (__pthread_rwlock): Rename `readers',
`readerqueue', and `writerqueue' fields to `__readers', `__readerqueue', and
`__writerqueue'.
* sysdeps/generic/bits/thread-attr.h (__pthread_contentionscope): Rename
`schedparam', `stackaddr', `stacksize', `guardsize', `detachstate',
`inheritsched', `contentionscope', and `schedpolicy' fields to
`__schedparam', `__stackaddr', `__stacksize', `__guardsize',
`__detachstate', `__inheritsched', `__contentionscope', and
`__schedpolicy''.
* sysdeps/generic/bits/cancelation.h: Update code accordingly.
* pthread/pt-create.c: Likewise.
* pthread/pt-exit.c: Likewise.
* pthread/pt-getattr.c: Likewise.
* sysdeps/generic/pt-attr-getdetachstate.c: Likewise.
* sysdeps/generic/pt-attr-getguardsize.c: Likewise.
* sysdeps/generic/pt-attr-getinheritsched.c: Likewise.
* sysdeps/generic/pt-attr-getschedparam.c: Likewise.
* sysdeps/generic/pt-attr-getschedpolicy.c: Likewise.
* sysdeps/generic/pt-attr-getscope.c: Likewise.
* sysdeps/generic/pt-attr-getstackaddr.c: Likewise.
* sysdeps/generic/pt-attr-getstacksize.c: Likewise.
* sysdeps/generic/pt-attr-setdetachstate.c: Likewise.
* sysdeps/generic/pt-attr-setguardsize.c: Likewise.
* sysdeps/generic/pt-attr-setinheritsched.c: Likewise.
* sysdeps/generic/pt-attr-setschedparam.c: Likewise.
* sysdeps/generic/pt-attr-setschedpolicy.c: Likewise.
* sysdeps/generic/pt-attr-setscope.c: Likewise.
* sysdeps/generic/pt-attr-setstackaddr.c: Likewise.
* sysdeps/generic/pt-attr-setstacksize.c: Likewise.
* sysdeps/generic/pt-attr.c: Likewise.
* sysdeps/generic/pt-barrier-init.c: Likewise.
* sysdeps/generic/pt-barrier-wait.c: Likewise.
* sysdeps/generic/pt-barrier.c: Likewise.
* sysdeps/generic/pt-barrierattr-getpshared.c: Likewise.
* sysdeps/generic/pt-barrierattr-setpshared.c: Likewise.
* sysdeps/generic/pt-cond-timedwait.c: Likewise.
* sysdeps/generic/pt-cond.c: Likewise.
* sysdeps/generic/pt-condattr-getclock.c: Likewise.
* sysdeps/generic/pt-condattr-getpshared.c: Likewise.
* sysdeps/generic/pt-condattr-setclock.c: Likewise.
* sysdeps/generic/pt-condattr-setpshared.c: Likewise.
* sysdeps/generic/pt-mutex-destroy.c: Likewise.
* sysdeps/generic/pt-mutex-init.c: Likewise.
* sysdeps/generic/pt-mutex-timedlock.c: Likewise.
* sysdeps/generic/pt-mutex-transfer-np.c: Likewise.
* sysdeps/generic/pt-mutex-trylock.c: Likewise.
* sysdeps/generic/pt-mutex-unlock.c: Likewise.
* sysdeps/generic/pt-mutexattr-getprotocol.c: Likewise.
* sysdeps/generic/pt-mutexattr-getpshared.c: Likewise.
* sysdeps/generic/pt-mutexattr-gettype.c: Likewise.
* sysdeps/generic/pt-mutexattr-setprotocol.c: Likewise.
* sysdeps/generic/pt-mutexattr-setpshared.c: Likewise.
* sysdeps/generic/pt-mutexattr-settype.c: Likewise.
* sysdeps/generic/pt-mutexattr.c: Likewise.
* sysdeps/generic/pt-once.c: Likewise.
* sysdeps/generic/pt-rwlock-attr.c: Likewise.
* sysdeps/generic/pt-rwlock-timedrdlock.c: Likewise.
* sysdeps/generic/pt-rwlock-timedwrlock.c: Likewise.
* sysdeps/generic/pt-rwlock-tryrdlock.c: Likewise.
* sysdeps/generic/pt-rwlock-trywrlock.c: Likewise.
* sysdeps/generic/pt-rwlock-unlock.c: Likewise.
* sysdeps/generic/pt-rwlockattr-getpshared.c: Likewise.
* sysdeps/generic/pt-rwlockattr-setpshared.c: Likewise.
* sysdeps/mach/hurd/pt-attr-setstackaddr.c: Likewise.
* sysdeps/mach/hurd/pt-attr-setstacksize.c: Likewise.
* sysdeps/mach/hurd/pt-hurd-cond-timedwait.c: Likewise.

3 files changed, 4 insertions, 4 deletions

diff --git a/sysdeps/mach/hurd/pt-attr-setstackaddr.c b/sysdeps/mach/hurd/pt-attr-setstackaddr.c
index a0fe536..864835f 100644
--- a/sysdeps/mach/hurd/pt-attr-setstackaddr.c
+++ b/sysdeps/mach/hurd/pt-attr-setstackaddr.c
@@ -24,6 +24,6 @@ int
 pthread_attr_setstackaddr (pthread_attr_t *attr,
 			   void *stackaddr)
 {
-  attr->stackaddr = stackaddr;
+  attr->__stackaddr = stackaddr;
   return 0;
 }
diff --git a/sysdeps/mach/hurd/pt-attr-setstacksize.c b/sysdeps/mach/hurd/pt-attr-setstacksize.c
index 8b90bbd..7757bac 100644
--- a/sysdeps/mach/hurd/pt-attr-setstacksize.c
+++ b/sysdeps/mach/hurd/pt-attr-setstacksize.c
@@ -24,6 +24,6 @@ int
 pthread_attr_setstacksize (pthread_attr_t *attr,
 			   size_t stacksize)
 {
-  attr->stacksize = stacksize;
+  attr->__stacksize = stacksize;
   return 0;
 }
diff --git a/sysdeps/mach/hurd/pt-hurd-cond-timedwait.c b/sysdeps/mach/hurd/pt-hurd-cond-timedwait.c
index 0e11d56..3d1fe53 100644
--- a/sysdeps/mach/hurd/pt-hurd-cond-timedwait.c
+++ b/sysdeps/mach/hurd/pt-hurd-cond-timedwait.c
@@ -46,7 +46,7 @@ __pthread_hurd_cond_timedwait_internal (pthread_cond_t *cond,
   struct __pthread *self = _pthread_self ();
   error_t err = 0;
   int cancel, drain;
-  clockid_t clock_id = __pthread_default_condattr.clock;
+  clockid_t clock_id = __pthread_default_condattr.__clock;
 
   /* This function will be called by hurd_thread_cancel while we are blocked
      We wake up our thread if it's still blocking or about to block, so it will
@@ -91,7 +91,7 @@ __pthread_hurd_cond_timedwait_internal (pthread_cond_t *cond,
          us up.  */
       __pthread_enqueue (&cond->__queue, self);
       if (cond->__attr)
-	clock_id = cond->__attr->clock;
+	clock_id = cond->__attr->__clock;
       /* Tell hurd_thread_cancel how to unblock us.  */
       ss->cancel_hook = &cancel_me;
     }