diff options
Diffstat (limited to 'nptl/pthread_getschedparam.c')
| -rw-r--r-- | nptl/pthread_getschedparam.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/nptl/pthread_getschedparam.c b/nptl/pthread_getschedparam.c index 72b366d8cf..d9d6cb43b0 100644 --- a/nptl/pthread_getschedparam.c +++ b/nptl/pthread_getschedparam.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -17,33 +17,39 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <errno.h> #include <string.h> #include "pthreadP.h" #include <lowlevellock.h> int -__pthread_getschedparam (thread_id, policy, param) - pthread_t thread_id; +__pthread_getschedparam (threadid, policy, param) + pthread_t threadid; int *policy; struct sched_param *param; { - struct pthread *thread = (struct pthread *) thread_id; + struct pthread *pd = (struct pthread *) threadid; + + /* Make sure the descriptor is valid. */ + if (INVALID_TD_P (pd)) + /* Not a valid thread handle. */ + return ESRCH; /* We have to handle cancellation in the following code since we are locking another threads desriptor. */ - pthread_cleanup_push ((void (*) (void *)) lll_unlock_wake_cb, &thread->lock); + pthread_cleanup_push ((void (*) (void *)) lll_unlock_wake_cb, &pd->lock); - lll_lock (thread->lock); + lll_lock (pd->lock); /* The library is responsible for maintaining the values at all times. If the user uses a interface other than pthread_setschedparam to modify the scheduler setting it is not the library's problem. */ - *policy = thread->schedpolicy; - memcpy (param, &thread->schedparam, sizeof (struct sched_param)); + *policy = pd->schedpolicy; + memcpy (param, &pd->schedparam, sizeof (struct sched_param)); - lll_unlock (thread->lock); + lll_unlock (pd->lock); pthread_cleanup_pop (0); |