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[src/netbsd-9]: src/lib/libpthread Pull up following revision(s) (requested b...



details:   https://anonhg.NetBSD.org/src/rev/e4190c98da33
branches:  netbsd-9
changeset: 454280:e4190c98da33
user:      martin <martin%NetBSD.org@localhost>
date:      Fri Sep 13 06:54:09 2019 +0000

description:
Pull up following revision(s) (requested by kamil in ticket #198):

        lib/libpthread/thrd.c: revision 1.4
        lib/libpthread/threads.h: revision 1.3

Switch back _Noreturn to __dead in C11 threads

There is an ongoing discussion to unify unreturn attribute between C and
C++, making a compatible version, shared between languages. Instead of
picking C11-only approach here, switch back to __dead that wraps the
compiler extension for the same purpose.

This change makes this header more compatible with C++ and pre-C11.
Reference:

<a  rel="nofollow" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2410.pdf";>http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2410.pdf</a>

diffstat:

 lib/libpthread/thrd.c    |  6 +++---
 lib/libpthread/threads.h |  4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diffs (45 lines):

diff -r 940e2ce88857 -r e4190c98da33 lib/libpthread/thrd.c
--- a/lib/libpthread/thrd.c     Fri Sep 13 06:51:58 2019 +0000
+++ b/lib/libpthread/thrd.c     Fri Sep 13 06:54:09 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: thrd.c,v 1.3 2019/04/29 20:11:43 kamil Exp $   */
+/*     $NetBSD: thrd.c,v 1.3.4.1 2019/09/13 06:54:09 martin Exp $      */
 
 /*-
  * Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: thrd.c,v 1.3 2019/04/29 20:11:43 kamil Exp $");
+__RCSID("$NetBSD: thrd.c,v 1.3.4.1 2019/09/13 06:54:09 martin Exp $");
 
 #include <assert.h>
 #include <errno.h>
@@ -122,7 +122,7 @@
        return pthread_equal(t1, t2);
 }
 
-_Noreturn void
+__dead void
 thrd_exit(int res)
 {
 
diff -r 940e2ce88857 -r e4190c98da33 lib/libpthread/threads.h
--- a/lib/libpthread/threads.h  Fri Sep 13 06:51:58 2019 +0000
+++ b/lib/libpthread/threads.h  Fri Sep 13 06:54:09 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: threads.h,v 1.2 2019/04/24 18:47:54 kamil Exp $        */
+/*     $NetBSD: threads.h,v 1.2.4.1 2019/09/13 06:54:09 martin Exp $   */
 
 /*-
  * Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -106,7 +106,7 @@
 thrd_t thrd_current(void);
 int    thrd_detach(thrd_t);
 int    thrd_equal(thrd_t, thrd_t);
-_Noreturn void thrd_exit(int);
+__dead void    thrd_exit(int);
 int    thrd_join(thrd_t, int *);
 int    thrd_sleep(const struct timespec *, struct timespec *);
 void   thrd_yield(void);



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