From ee979cdd95acb1a2bfa8b02f67d5386d3c8af5e3 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Tue, 2 Nov 1999 17:36:20 +0000
Subject: Split some more stuff out of psignal.c.

---
 cpukit/posix/src/psignalunblockthread.c | 89 +++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 cpukit/posix/src/psignalunblockthread.c

(limited to 'cpukit/posix/src/psignalunblockthread.c')

diff --git a/cpukit/posix/src/psignalunblockthread.c b/cpukit/posix/src/psignalunblockthread.c
new file mode 100644
index 0000000000..916ed4724e
--- /dev/null
+++ b/cpukit/posix/src/psignalunblockthread.c
@@ -0,0 +1,89 @@
+/*
+ *  $Id$
+ */
+
+#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_Unblock_thread
+ */
+
+/* XXX this routine could probably be cleaned up */
+boolean _POSIX_signals_Unblock_thread( 
+  Thread_Control  *the_thread,
+  int              signo,
+  siginfo_t       *info
+)
+{
+  POSIX_API_Control  *api;
+  sigset_t            mask;
+  siginfo_t          *the_info = NULL;
+
+  api = the_thread->API_Extensions[ THREAD_API_POSIX ];
+
+  mask = signo_to_mask( signo );
+
+  /*
+   *  Is the thread is specifically waiting for a signal?
+   */
+
+  if ( _States_Is_interruptible_signal( the_thread->current_state ) ) {
+
+    if ( (the_thread->Wait.option & mask) || (~api->signals_blocked & mask) ) {
+      the_thread->Wait.return_code = EINTR;
+
+      the_info = (siginfo_t *) the_thread->Wait.return_argument;
+
+      if ( !info ) {
+        the_info->si_signo = signo;
+        the_info->si_code = SI_USER;
+        the_info->si_value.sival_int = 0;
+      } else {
+        *the_info = *info;
+      }
+      
+      _Thread_queue_Extract_with_proxy( the_thread );
+      return TRUE;
+    }
+
+    /*
+     *  This should only be reached via pthread_kill().
+     */
+
+    return FALSE;
+  }
+
+  if ( ~api->signals_blocked & mask ) {
+    the_thread->do_post_task_switch_extension = TRUE;
+
+    if ( the_thread->current_state & STATES_INTERRUPTIBLE_BY_SIGNAL ) {
+      the_thread->Wait.return_code = EINTR;
+      if ( _States_Is_waiting_on_thread_queue(the_thread->current_state) )
+        _Thread_queue_Extract_with_proxy( the_thread );
+      else if ( _States_Is_delaying(the_thread->current_state)){
+        if ( _Watchdog_Is_active( &the_thread->Timer ) )
+          (void) _Watchdog_Remove( &the_thread->Timer );
+        _Thread_Unblock( the_thread );
+      }
+    }
+  }
+  return FALSE;
+
+}
-- 
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