From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Thu, 19 Jul 2018 23:12:08 +0000 (+0200)
Subject: hurd: Enable thread-safe i386 atomic instructions
X-Git-Tag: glibc-2.28~67
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46f2474e9340f71e1cbe0a246142c688a7d1ad0b;p=thirdparty%2Fglibc.git

hurd: Enable thread-safe i386 atomic instructions

	* sysdeps/mach/hurd/i386/tls.h (_hurd_tls_init): Set multiple_threads
	to 1.
---

diff --git a/ChangeLog b/ChangeLog
index 5f98abc075e..a0cd18db4d1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-07-20  Samuel Thibault  <samuel.thibault@ens-lyon.org>
+
+	* sysdeps/mach/hurd/i386/tls.h (_hurd_tls_init): Set multiple_threads
+	to 1.
+
 2018-07-19  Leonardo Sandoval  <leonardo.sandoval.gonzalez@intel.com>
 
 	* benchtests/scripts/compare_bench.py (__main__): use the argparse
diff --git a/sysdeps/mach/hurd/i386/tls.h b/sysdeps/mach/hurd/i386/tls.h
index 771c94ff95e..da1f7b78da1 100644
--- a/sysdeps/mach/hurd/i386/tls.h
+++ b/sysdeps/mach/hurd/i386/tls.h
@@ -117,6 +117,8 @@ _hurd_tls_init (tcbhead_t *tcb)
   /* This field is used by TLS accesses to get our "thread pointer"
      from the TLS point of view.  */
   tcb->tcb = tcb;
+  /* We always at least start the sigthread anyway.  */
+  tcb->multiple_threads = 1;
 
   /* Get the first available selector.  */
   int sel = -1;