diff options
Diffstat (limited to 'lib/libc_r/uthread/uthread_file.c')
| -rw-r--r-- | lib/libc_r/uthread/uthread_file.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/libc_r/uthread/uthread_file.c b/lib/libc_r/uthread/uthread_file.c index 0fb52a9..d755bc8 100644 --- a/lib/libc_r/uthread/uthread_file.c +++ b/lib/libc_r/uthread/uthread_file.c @@ -29,7 +29,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: uthread_file.c,v 1.5 1998/09/07 21:55:01 alex Exp $ + * $Id: uthread_file.c,v 1.6 1998/09/09 16:50:33 dt Exp $ * * POSIX stdio FILE locking functions. These assume that the locking * is only required at FILE structure level, not at file descriptor @@ -310,6 +310,12 @@ _funlockfile(FILE * fp) /* Check if this is a real file: */ if (fp->_file >= 0) { + /* + * Defer signals to protect the scheduling queues from + * access by the signal handler: + */ + _thread_kern_sig_defer(); + /* Lock the hash table: */ _SPINLOCK(&hash_lock); @@ -356,6 +362,12 @@ _funlockfile(FILE * fp) /* Unlock the hash table: */ _SPINUNLOCK(&hash_lock); + + /* + * Undefer and handle pending signals, yielding if + * necessary: + */ + _thread_kern_sig_undefer(); } return; } |
