Split some more stuff out of psignal.c.

1 files changed, 85 insertions, 0 deletions

diff --git a/c/src/exec/posix/src/psignalclearsignals.c b/c/src/exec/posix/src/psignalclearsignals.c
new file mode 100644
index 0000000000..4dc7d9cb02
--- /dev/null
+++ b/c/src/exec/posix/src/psignalclearsignals.c
@@ -0,0 +1,85 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <pthread.h>
+#include <signal.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tqdata.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/threadsup.h>
+#include <rtems/posix/psignal.h>
+#include <rtems/posix/pthread.h>
+#include <rtems/posix/time.h>
+#include <stdio.h>
+
+/*PAGE
+ *
+ *  _POSIX_signals_Clear_signals
+ */
+ 
+boolean _POSIX_signals_Clear_signals(
+  POSIX_API_Control  *api,
+  int                 signo,
+  siginfo_t          *info,
+  boolean             is_global,
+  boolean             check_blocked
+)
+{
+  sigset_t                    mask;
+  sigset_t                    signals_blocked;
+  ISR_Level                   level;
+  boolean                     do_callout;
+  POSIX_signals_Siginfo_node *psiginfo;
+ 
+  mask = signo_to_mask( signo );
+ 
+  do_callout = FALSE;
+ 
+  /* set blocked signals based on if checking for them, SIGNAL_ALL_MASK
+   * insures that no signals are blocked and all are checked.
+   */
+
+  if ( check_blocked )
+    signals_blocked = ~api->signals_blocked;
+  else
+    signals_blocked = SIGNAL_ALL_MASK;
+
+  /* XXX this is not right for siginfo type signals yet */
+  /* XXX since they can't be cleared the same way */
+ 
+  _ISR_Disable( level );
+    if ( is_global ) {
+       if ( mask & (_POSIX_signals_Pending & signals_blocked) ) {
+         if ( _POSIX_signals_Vectors[ signo ].sa_flags == SA_SIGINFO ) {
+           psiginfo = (POSIX_signals_Siginfo_node *)
+             _Chain_Get_unprotected( &_POSIX_signals_Siginfo[ signo ] );
+           if ( _Chain_Is_empty( &_POSIX_signals_Siginfo[ signo ] ) )
+             _POSIX_signals_Clear_process_signals( mask );
+           if ( psiginfo ) {
+             *info = psiginfo->Info;
+             _Chain_Append_unprotected(
+               &_POSIX_signals_Inactive_siginfo,
+               &psiginfo->Node
+             );
+           } else
+             do_callout = FALSE;
+         } else
+           _POSIX_signals_Clear_process_signals( mask );
+         do_callout = TRUE;
+       }
+    } else {
+      if ( mask & (api->signals_pending & signals_blocked) ) {
+        api->signals_pending &= ~mask;
+        do_callout = TRUE;
+      }
+    }
+  _ISR_Enable( level );
+  return do_callout; 
+}