@@ -5,6 +5,7 @@
(thread_attr_compare): Move function to...
[!defined DELAYTIMER_MAX] (DELAYTIMER_MAX): Define to INT_MAX.
* sysdeps/nptl/timer_routines.h: ... new header.
+ * sysdeps/mach/hurd/gai_misc.h: New file.
2018-02-26 Joseph Myers <joseph@codesourcery.com>
new file mode 100644
@@ -0,0 +1,67 @@
+/* Copyright (C) 2006-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <assert.h>
+#include <signal.h>
+#include <pthread.h>
+
+#define gai_start_notify_thread __gai_start_notify_thread
+#define gai_create_helper_thread __gai_create_helper_thread
+
+extern inline void
+__gai_start_notify_thread (void)
+{
+ sigset_t ss;
+ sigemptyset (&ss);
+ int sigerr __attribute__ ((unused));
+ sigerr = pthread_sigmask (SIG_SETMASK, &ss, NULL);
+ assert_perror (sigerr);
+}
+
+extern inline int
+__gai_create_helper_thread (pthread_t *threadp, void *(*tf) (void *),
+ void *arg)
+{
+ pthread_attr_t attr;
+
+ /* Make sure the thread is created detached. */
+ pthread_attr_init (&attr);
+ pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
+
+ /* The helper thread needs only very little resources. */
+ (void) pthread_attr_setstacksize (&attr, 0x10000);
+
+ /* Block all signals in the helper thread. To do this thoroughly we
+ temporarily have to block all signals here. */
+ sigset_t ss;
+ sigset_t oss;
+ sigfillset (&ss);
+ int sigerr __attribute__ ((unused));
+ sigerr = pthread_sigmask (SIG_SETMASK, &ss, &oss);
+ assert_perror (sigerr);
+
+ int ret = pthread_create (threadp, &attr, tf, arg);
+
+ /* Restore the signal mask. */
+ sigerr = pthread_sigmask (SIG_SETMASK, &oss, NULL);
+ assert_perror (sigerr);
+
+ (void) pthread_attr_destroy (&attr);
+ return ret;
+}
+
+#include_next <gai_misc.h>