FreeBSD porting fixes, patch by maho@openoffice.org

--- python3.orig/Lib/test/test_threading.py	2015-07-05 18:50:07.000000000 +0200
+++ python3/Lib/test/test_threading.py	2015-07-26 17:03:55.935367820 +0200
@@ -24,8 +24,8 @@
 # #12316 and #11870), and fork() from a worker thread is known to trigger
 # problems with some operating systems (issue #3863): skip problematic tests
 # on platforms known to behave badly.
-platforms_to_skip = ('freebsd4', 'freebsd5', 'freebsd6', 'netbsd5',
-                     'hp-ux11')
+platforms_to_skip = ('freebsd4', 'freebsd5', 'freebsd6', 'freebsd7', 'netbsd5',
+                     'os2emx', 'hp-ux11')
 
 
 # A trivial mutable counter.
--- Python-3.3.0/Python/thread_pthread.h	2012-11-28 09:00:41.097955124 +0000
+++ Python-3.3.0/Python/thread_pthread.h	2012-11-28 09:01:13.018329351 +0000
@@ -42,6 +42,10 @@
 #endif
 #endif
 
+#ifdef __FreeBSD__
+#include <osreldate.h>
+#endif
+
 /* The POSIX spec says that implementations supporting the sem_*
    family of functions must indicate this by defining
    _POSIX_SEMAPHORES. */
@@ -60,7 +64,6 @@
    in default setting.  So the process scope is preferred to get
    enough number of threads to work. */
 #ifdef __FreeBSD__
-#include <osreldate.h>
 #if __FreeBSD_version >= 500000 && __FreeBSD_version < 504101
 #undef PTHREAD_SYSTEM_SCHED_SUPPORTED
 #endif
@@ -186,6 +189,9 @@
 {
     pthread_t th;
     int status;
+#ifdef __FreeBSD__
+	sigset_t set, oset;
+#endif
 #if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
     pthread_attr_t attrs;
 #endif
@@ -214,7 +220,10 @@
 #if defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
     pthread_attr_setscope(&attrs, PTHREAD_SCOPE_SYSTEM);
 #endif
-
+#ifdef __FreeBSD__
+	sigfillset(&set);
+	SET_THREAD_SIGMASK(SIG_BLOCK, &set, &oset);
+#endif
     status = pthread_create(&th,
 #if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
                              &attrs,
@@ -225,6 +234,9 @@
                              (void *)arg
                              );
 
+#ifdef __FreeBSD__
+	SET_THREAD_SIGMASK(SIG_SETMASK, &oset, NULL);
+#endif
 #if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
     pthread_attr_destroy(&attrs);
 #endif