Fix threads on NS (bug#25265)

src/nsterm.h (ns_select): Compiler doesn't like sigmask being const.
(ns_run_loop_break) [HAVE_PTHREAD]: New function.
src/nsterm.m (ns_select): Call thread_select from within ns_select.
(ns_run_loop_break) [HAVE_PTHREAD]: New function.
(ns_send_appdefined): Don't wait for main thread when sending app
defined event.
src/process.c (wait_reading_process_output): Call thread_select from
within ns_select.
src/systhread.c (sys_cond_broadcast) [HAVE_NS]: Break ns_select out of
its event loop using ns_run_loop_break.

1 files changed, 6 insertions, 7 deletions

diff --git a/src/process.c b/src/process.c
index 2a1c2eecde3..abd017bb907 100644
--- a/src/process.c
+++ b/src/process.c
@@ -5371,14 +5371,13 @@ wait_reading_process_output (intmax_t time_limit, int nsecs, int read_kbd,
           nfds = xg_select (max_desc + 1,
                             &Available, (check_write ? &Writeok : 0),
                             NULL, &timeout, NULL);
+#elif defined HAVE_NS
+          /* And NS builds call thread_select in ns_select. */
+          nfds = ns_select (max_desc + 1,
+                            &Available, (check_write ? &Writeok : 0),
+                            NULL, &timeout, NULL);
 #else  /* !HAVE_GLIB */
-          nfds = thread_select (
-# ifdef HAVE_NS
-                                ns_select
-# else
-                                pselect
-# endif
-                                , max_desc + 1,
+          nfds = thread_select (pselect, max_desc + 1,
                                 &Available,
                                 (check_write ? &Writeok : 0),
                                 NULL, &timeout, NULL);