1 files changed, 72 insertions, 0 deletions
diff --git a/cpukit/posix/src/pthreadsigmask.c b/cpukit/posix/src/pthreadsigmask.c
new file mode 100644
index 0000000000..c97e75a89e
--- /dev/null
+++ b/cpukit/posix/src/pthreadsigmask.c
@@ -0,0 +1,72 @@
+/*
+ *  3.3.5 Examine and Change Blocked Signals, P1003.1b-1993, p. 73
+ *
+ *  NOTE: P1003.1c/D10, p. 37 adds pthread_sigmask().
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <pthread.h>
+#include <signal.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/posix/pthread.h>
+#include <rtems/posix/psignal.h>
+#include <rtems/seterr.h>
+
+int pthread_sigmask(
+  int               how,
+  const sigset_t   *set,
+  sigset_t         *oset
+)
+{
+  POSIX_API_Control  *api;
+
+  if ( !set && !oset )
+    rtems_set_errno_and_return_minus_one( EINVAL );
+
+  api = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ];
+
+  if ( oset )
+    *oset = api->signals_blocked;
+
+  if ( !set )
+    return 0;
+
+  switch ( how ) {
+    case SIG_BLOCK:
+      api->signals_blocked |= *set;
+      break;
+    case SIG_UNBLOCK:
+      api->signals_blocked &= ~*set;
+      break;
+    case SIG_SETMASK:
+      api->signals_blocked = *set;
+      break;
+    default:
+      rtems_set_errno_and_return_minus_one( EINVAL );
+  }
+
+  /* XXX are there critical section problems here? */
+
+  /* XXX evaluate the new set */
+
+  if ( ~api->signals_blocked &
+       (api->signals_pending | _POSIX_signals_Pending) ) {
+    _Thread_Dispatch();
+  }
+
+  return 0;
+}