Merge pull request #317227 from rhelmot/freebsd-nix-boehmgc

     GC_bool found_me = FALSE;

     size_t nthreads = 0;

     int i;

@@ -868,6 +870,31 @@ GC_INNER void GC_push_all_stacks(void)

@@ -868,6 +870,40 @@ GC_INNER void GC_push_all_stacks(void)

             hi = p->altstack + p->altstack_size;

 #         endif

           /* FIXME: Need to scan the normal stack too, but how ? */

+        } else {

+          #ifdef HAVE_PTHREAD_ATTR_GET_NP

+          if (pthread_attr_init(&pattr) != 0) {

+            ABORT("GC_push_all_stacks: pthread_attr_init failed!");

+          }

+          if (pthread_attr_get_np(p->id, &pattr) != 0) {

+            ABORT("GC_push_all_stacks: pthread_attr_get_np failed!");

+          }

+          #else

+          if (pthread_getattr_np(p->id, &pattr)) {

+            ABORT("GC_push_all_stacks: pthread_getattr_np failed!");

+          }

+          #endif

+          if (pthread_attr_getstacksize(&pattr, &stack_limit)) {

+            ABORT("GC_push_all_stacks: pthread_attr_getstacksize failed!");

+          }