diff options
Diffstat (limited to 'lib/libc_r/uthread/uthread_suspend_np.c')
| -rw-r--r-- | lib/libc_r/uthread/uthread_suspend_np.c | 38 |
1 files changed, 15 insertions, 23 deletions
diff --git a/lib/libc_r/uthread/uthread_suspend_np.c b/lib/libc_r/uthread/uthread_suspend_np.c index d065b73..871683a 100644 --- a/lib/libc_r/uthread/uthread_suspend_np.c +++ b/lib/libc_r/uthread/uthread_suspend_np.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. + * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -35,32 +35,24 @@ #include <pthread.h> #include "pthread_private.h" +/* Suspend a thread: */ int pthread_suspend_np(pthread_t thread) { - int ret = -1; - pthread_t pthread; - /* - * Search for the thread in the linked list. - */ - for (pthread = _thread_link_list; pthread != NULL && ret == -1; pthread = pthread->nxt) { - /* Is this the thread? */ - if (pthread == thread) { - /* Found the thread. Is it running? */ - if (pthread->state != PS_RUNNING && - pthread->state != PS_SUSPENDED) { - /* The thread operation has been interrupted */ - _thread_seterrno(pthread,EINTR); - } - /* Suspend the thread. */ - PTHREAD_NEW_STATE(pthread,PS_SUSPENDED); - ret = 0; + int ret; + + /* Find the thread in the list of active threads: */ + if ((ret = _find_thread(thread)) == 0) { + /* The thread exists. Is it running? */ + if (thread->state != PS_RUNNING && + thread->state != PS_SUSPENDED) { + /* The thread operation has been interrupted */ + _thread_seterrno(thread,EINTR); + thread->interrupted = 1; } - } - /* Check if thread was not found. */ - if (ret == -1) { - /* No such thread */ - errno = ESRCH; + + /* Suspend the thread. */ + PTHREAD_NEW_STATE(thread,PS_SUSPENDED); } return(ret); } |
