diff options
Diffstat (limited to 'linuxthreads')
| -rw-r--r-- | linuxthreads/ChangeLog | 5 | ||||
| -rw-r--r-- | linuxthreads/manager.c | 27 |
2 files changed, 12 insertions, 20 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index 27dff1e384..b058c7f95c 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,8 @@ +1999-04-28 Ulrich Drepper <drepper@cygnus.com> + + * manager.c (pthread_allocate_stack): Optimize initialization of new + thread descriptor. + 1999-04-16 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/arm/Implies: Removed since cmpxchg/no-cmpxchg diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c index 9657cc5731..6bafc868c1 100644 --- a/linuxthreads/manager.c +++ b/linuxthreads/manager.c @@ -274,6 +274,8 @@ static int pthread_allocate_stack(const pthread_attr_t *attr, } } } + /* Clear the thread data structure. */ + memset (new_thread, '\0', sizeof (*new_thread)); *out_new_thread = new_thread; *out_new_thread_bottom = new_thread_bottom; *out_guardaddr = guardaddr; @@ -316,34 +318,16 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr, /* Allocate new thread identifier */ pthread_threads_counter += PTHREAD_THREADS_MAX; new_thread_id = sseg + pthread_threads_counter; - /* Initialize the thread descriptor */ - new_thread->p_nextwaiting = NULL; + /* Initialize the thread descriptor. Elements which have to be + initialized to zero already have this value. */ new_thread->p_tid = new_thread_id; - new_thread->p_priority = 0; new_thread->p_lock = &(__pthread_handles[sseg].h_lock); - new_thread->p_signal = 0; - new_thread->p_signal_jmp = NULL; - new_thread->p_cancel_jmp = NULL; - new_thread->p_terminated = 0; - new_thread->p_detached = attr == NULL ? 0 : attr->__detachstate; - new_thread->p_exited = 0; - new_thread->p_retval = NULL; - new_thread->p_joining = NULL; - new_thread->p_cleanup = NULL; new_thread->p_cancelstate = PTHREAD_CANCEL_ENABLE; new_thread->p_canceltype = PTHREAD_CANCEL_DEFERRED; - new_thread->p_canceled = 0; new_thread->p_errnop = &new_thread->p_errno; - new_thread->p_errno = 0; new_thread->p_h_errnop = &new_thread->p_h_errno; - new_thread->p_h_errno = 0; - new_thread->p_in_sighandler = NULL; - new_thread->p_sigwaiting = 0; new_thread->p_guardaddr = guardaddr; new_thread->p_guardsize = guardsize; - new_thread->p_userstack = attr != NULL && attr->__stackaddr_set; - memset (new_thread->p_specific, '\0', - PTHREAD_KEY_1STLEVEL_SIZE * sizeof (new_thread->p_specific[0])); new_thread->p_self = new_thread; new_thread->p_nr = sseg; /* Initialize the thread handle */ @@ -353,6 +337,9 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr, /* Determine scheduling parameters for the thread */ new_thread->p_start_args.schedpolicy = -1; if (attr != NULL) { + new_thread->p_detached = attr->__detachstate; + new_thread->p_userstack = attr->__stackaddr_set; + switch(attr->__inheritsched) { case PTHREAD_EXPLICIT_SCHED: new_thread->p_start_args.schedpolicy = attr->__schedpolicy; |