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GNU C Library master sources branch master updated. glibc-2.26.9000-1189-g660b7bf

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=660b7bff81676aef6a7b068eb137efd74b30c628

commit 660b7bff81676aef6a7b068eb137efd74b30c628
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sat Jan 27 23:49:18 2018 +0100

    hurd: fix warning
    
    	* sysdeps/mach/hurd/getresgid.c (__getresgid): Set result from
    	critical section to make code simpler and avoid warning.
    	* sysdeps/mach/hurd/getresuid.c (__getresuid): Set result from
    	critical section to make code simpler and avoid warning.

diff --git a/ChangeLog b/ChangeLog
index 95e2c07..5eebc64 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -33,6 +33,10 @@
 	to global scope.
 	* sysdeps/mach/pagecopy.h (PAGE_THRESHOLD): Rename to
 	PAGE_COPY_THRESHOLD and set to benchmarked 16384.
+	* sysdeps/mach/hurd/getresgid.c (__getresgid): Set result from
+	critical section to make code simpler and avoid warning.
+	* sysdeps/mach/hurd/getresuid.c (__getresuid): Set result from
+	critical section to make code simpler and avoid warning.
 
 2018-01-27  James Clarke  <jrtc27@jrtc27.com>
 
diff --git a/sysdeps/mach/hurd/getresgid.c b/sysdeps/mach/hurd/getresgid.c
index 41823ff..e5eeba8 100644
--- a/sysdeps/mach/hurd/getresgid.c
+++ b/sysdeps/mach/hurd/getresgid.c
@@ -27,7 +27,6 @@ int
 __getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid)
 {
   error_t err;
-  gid_t real, eff, saved;
 
   HURD_CRITICAL_BEGIN;
   __mutex_lock (&_hurd_id.lock);
@@ -40,22 +39,18 @@ __getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid)
 	err = EGRATUITOUS;
       else
 	{
-	  real = _hurd_id.aux.gids[0];
-	  eff = _hurd_id.gen.ngids < 1 ? real : _hurd_id.gen.gids[0];
-	  saved = _hurd_id.aux.ngids < 2 ? real : _hurd_id.aux.gids[1];
+	  gid_t real = _hurd_id.aux.gids[0];
+
+	  *rgid = real;
+	  *egid = _hurd_id.gen.ngids < 1 ? real : _hurd_id.gen.gids[0];
+	  *sgid = _hurd_id.aux.ngids < 2 ? real : _hurd_id.aux.gids[1];
 	}
     }
 
   __mutex_unlock (&_hurd_id.lock);
   HURD_CRITICAL_END;
 
-  if (err)
-    return __hurd_fail (err);
-
-  *rgid = real;
-  *egid = eff;
-  *sgid = saved;
-  return 0;
+  return __hurd_fail (err);
 }
 libc_hidden_def (__getresgid)
 weak_alias (__getresgid, getresgid)
diff --git a/sysdeps/mach/hurd/getresuid.c b/sysdeps/mach/hurd/getresuid.c
index 1f23403..4af4786 100644
--- a/sysdeps/mach/hurd/getresuid.c
+++ b/sysdeps/mach/hurd/getresuid.c
@@ -27,7 +27,6 @@ int
 __getresuid (uid_t *ruid, uid_t *euid, uid_t *suid)
 {
   error_t err;
-  uid_t real, eff, saved;
 
   HURD_CRITICAL_BEGIN;
   __mutex_lock (&_hurd_id.lock);
@@ -40,22 +39,18 @@ __getresuid (uid_t *ruid, uid_t *euid, uid_t *suid)
 	err = EGRATUITOUS;
       else
 	{
-	  real = _hurd_id.aux.uids[0];
-	  eff = _hurd_id.gen.nuids < 1 ? real : _hurd_id.gen.uids[0];
-	  saved = _hurd_id.aux.nuids < 2 ? real : _hurd_id.aux.uids[1];
+	  uid_t real = _hurd_id.aux.uids[0];
+
+	  *ruid = real;
+	  *euid = _hurd_id.gen.nuids < 1 ? real : _hurd_id.gen.uids[0];
+	  *suid = _hurd_id.aux.nuids < 2 ? real : _hurd_id.aux.uids[1];
 	}
     }
 
   __mutex_unlock (&_hurd_id.lock);
   HURD_CRITICAL_END;
 
-  if (err)
-    return __hurd_fail (err);
-
-  *ruid = real;
-  *euid = eff;
-  *suid = saved;
-  return 0;
+  return __hurd_fail (err);
 }
 libc_hidden_def (__getresuid)
 weak_alias (__getresuid, getresuid)

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=41cdb1eb5a3627c3b6b6c4f74503233d9689a397

commit 41cdb1eb5a3627c3b6b6c4f74503233d9689a397
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sat Jan 27 22:09:30 2018 +0100

    hurd: Fix enabling vm_copy
    
    Benchmarked on
    http://lists.gnu.org/archive/html/bug-hurd/2014-12/msg00081.html
    
    	* sysdeps/mach/pagecopy.h (PAGE_THRESHOLD): Rename to
    	PAGE_COPY_THRESHOLD and set to benchmarked 16384.

diff --git a/ChangeLog b/ChangeLog
index 5e62415..95e2c07 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -31,6 +31,8 @@
 	__task_terminate would ever return successfully.
 	* sysdeps/mach/hurd/profil.c (special_profil_failure): Move variable
 	to global scope.
+	* sysdeps/mach/pagecopy.h (PAGE_THRESHOLD): Rename to
+	PAGE_COPY_THRESHOLD and set to benchmarked 16384.
 
 2018-01-27  James Clarke  <jrtc27@jrtc27.com>
 
diff --git a/sysdeps/mach/pagecopy.h b/sysdeps/mach/pagecopy.h
index 6285ffb..8583df4 100644
--- a/sysdeps/mach/pagecopy.h
+++ b/sysdeps/mach/pagecopy.h
@@ -19,8 +19,8 @@
 #include <mach.h>
 
 /* Threshold at which vm_copy is more efficient than well-optimized copying
-   by words.  This parameter should be tuned as necessary.  */
-#define PAGE_THRESHOLD		(2 * PAGE_SIZE)	/* XXX ? */
+   by words.  */
+#define PAGE_COPY_THRESHOLD		(16384)
 
 #define PAGE_SIZE		__vm_page_size
 #define PAGE_COPY_FWD(dstp, srcp, nbytes_left, nbytes)			      \

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=f817775364018856379b9475efd7b4345db66dc6

commit f817775364018856379b9475efd7b4345db66dc6
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sat Jan 27 22:01:34 2018 +0100

    hurd: fix warning
    
    Making `special_profil_failure' both avoids warning "variable
    'special_profil_failure' set but not used", and makes it easier to
    access with gdb.
    
    	* sysdeps/mach/hurd/profil.c (special_profil_failure): Move variable
    	to global scope.

diff --git a/ChangeLog b/ChangeLog
index 5dd9e9f..5e62415 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -29,6 +29,8 @@
 	MACH_IPC_COMPAT.
 	* sysdeps/mach/hurd/dl-sysdep.c (_exit): Call LOSE and abort() if
 	__task_terminate would ever return successfully.
+	* sysdeps/mach/hurd/profil.c (special_profil_failure): Move variable
+	to global scope.
 
 2018-01-27  James Clarke  <jrtc27@jrtc27.com>
 
diff --git a/sysdeps/mach/hurd/profil.c b/sysdeps/mach/hurd/profil.c
index 2fe8f9d..b3f201b 100644
--- a/sysdeps/mach/hurd/profil.c
+++ b/sysdeps/mach/hurd/profil.c
@@ -138,6 +138,8 @@ __profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
 }
 weak_alias (__profil, profil)
 
+static volatile error_t special_profil_failure;
+
 /* Fetch PC samples.  This function must be very careful not to depend
    on Hurd threadvar variables.  We arrange that by using a special
    stub arranged for at the end of this file. */
@@ -154,7 +156,6 @@ fetch_samples (void)
 				     pc_samples, &nsamples);
   if (err)
     {
-      static volatile error_t special_profil_failure;
       static volatile int a, b;
 
       special_profil_failure = err;

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=06fac9f50335a5669672c4ac9ca93e5f43288822

commit 06fac9f50335a5669672c4ac9ca93e5f43288822
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sat Jan 27 22:00:23 2018 +0100

    hurd: fix warning
    
    	* sysdeps/mach/hurd/dl-sysdep.c (_exit): Call LOSE and abort() if
    	__task_terminate would ever return successfully.

diff --git a/ChangeLog b/ChangeLog
index 9582d8c..5dd9e9f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -27,6 +27,8 @@
 	* mach/mach/mach_traps.h: Drop comment about MACH_IPC_COMPAT.
 	* sysdeps/mach/hurd/fork.c (__fork): Drop special casing
 	MACH_IPC_COMPAT.
+	* sysdeps/mach/hurd/dl-sysdep.c (_exit): Call LOSE and abort() if
+	__task_terminate would ever return successfully.
 
 2018-01-27  James Clarke  <jrtc27@jrtc27.com>
 
diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c
index 2cd63bb..ef96df0 100644
--- a/sysdeps/mach/hurd/dl-sysdep.c
+++ b/sysdeps/mach/hurd/dl-sysdep.c
@@ -643,6 +643,9 @@ _exit (int status)
 		    W_EXITCODE (status, 0), 0);
   while (__task_terminate (__mach_task_self ()))
     __mach_task_self_ = (__mach_task_self) ();
+
+  LOSE;
+  abort ();
 }
 /* We need this alias to satisfy references from libc_pic.a objects
    that were affected by the libc_hidden_proto declaration for _exit.  */

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=f4d3cee3a00211b346620f88abc5cb81c318cabe

commit f4d3cee3a00211b346620f88abc5cb81c318cabe
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sat Jan 27 21:44:57 2018 +0100

    hurd: make build-many-glibcs.py use mainline mig
    
    Some warnings come from code generated by mig, so we need a very recent
    version for now.
    
            * scripts/build-many-glibcs.py (checkout_vcs): Add mig repository
            URL, and run autoreconf, make it the default for now.

diff --git a/ChangeLog b/ChangeLog
index 7d7800d..9582d8c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -19,6 +19,8 @@
 	timer_ptr2id to cast struct timer_node * to void *.
 	* scripts/build-many-glibcs.py [os == gnu] (build_gcc): Pass
 	--disable-libcilkrts to gcc configure.
+	(checkout_vcs): Add mig repository URL, and run autoreconf, make it the
+	default for now.
 	* sysdeps/mach/hurd/Makefile [$(subdir)==nis]: Add
 	-DUSE_BINDINGDIR=1 to CFLAGS-ypclnt.c.
 	* mach/Machrules (MIGFLAGS): Do not set -DMACH_IPC_COMPAT=0.
diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
index fbb701e..d7adcc8 100755
--- a/scripts/build-many-glibcs.py
+++ b/scripts/build-many-glibcs.py
@@ -704,7 +704,7 @@ class Context(object):
                             'linux': '4.14',
                             'mpc': '1.1.0',
                             'mpfr': '4.0.0',
-                            'mig': '1.8',
+                            'mig': 'vcs-mainline',
                             'gnumach': '1.8',
                             'hurd': 'vcs-mainline'}
         use_versions = {}
@@ -786,6 +786,13 @@ class Context(object):
             r = self.git_checkout(component, git_url, git_branch, update)
             self.fix_glibc_timestamps()
             return r
+        elif component == 'mig':
+            git_url = 'git://git.savannah.gnu.org/hurd/mig.git'
+            git_branch = 'master'
+            r = self.git_checkout(component, git_url, git_branch, update)
+            subprocess.run(['autoreconf', '-i'],
+                           cwd=self.component_srcdir(component), check=True)
+            return r
         elif component == 'hurd':
             git_url = 'git://git.savannah.gnu.org/hurd/hurd.git'
             git_branch = 'master'

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=7dab2d00ee6098e6a771a3a566c71a614ef18bb2

commit 7dab2d00ee6098e6a771a3a566c71a614ef18bb2
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sat Jan 27 21:40:08 2018 +0100

    hurd: drop elder MACH_IPC_COMPAT handling
    
    This was dropped from GNU Mach in 2006.
    
    	* mach/Machrules (MIGFLAGS): Do not set -DMACH_IPC_COMPAT=0.
    	* mach/mach/mach_traps.h: Drop comment about MACH_IPC_COMPAT.
    	* sysdeps/mach/hurd/fork.c (__fork): Drop special casing
    	MACH_IPC_COMPAT.

diff --git a/ChangeLog b/ChangeLog
index 4e1e4bf..7d7800d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -21,6 +21,10 @@
 	--disable-libcilkrts to gcc configure.
 	* sysdeps/mach/hurd/Makefile [$(subdir)==nis]: Add
 	-DUSE_BINDINGDIR=1 to CFLAGS-ypclnt.c.
+	* mach/Machrules (MIGFLAGS): Do not set -DMACH_IPC_COMPAT=0.
+	* mach/mach/mach_traps.h: Drop comment about MACH_IPC_COMPAT.
+	* sysdeps/mach/hurd/fork.c (__fork): Drop special casing
+	MACH_IPC_COMPAT.
 
 2018-01-27  James Clarke  <jrtc27@jrtc27.com>
 
diff --git a/mach/Machrules b/mach/Machrules
index 49e6399..4f9ec42 100644
--- a/mach/Machrules
+++ b/mach/Machrules
@@ -51,7 +51,7 @@ $(objpfx)dummy.mk:
 	$(make-target-directory)
 	echo '# Empty' > $@
 
-MIGFLAGS = -DMACH_IPC_COMPAT=0 -DSTANDALONE -DTypeCheck=0 \
+MIGFLAGS = -DSTANDALONE -DTypeCheck=0 \
 	   $(+includes) $(migdefines) -subrprefix __
 # Putting CC in the enivronment makes the mig wrapper script
 # use the same compiler setup we are using to run cpp.
diff --git a/mach/mach/mach_traps.h b/mach/mach/mach_traps.h
index 5e09a95..cefbd2d 100644
--- a/mach/mach/mach_traps.h
+++ b/mach/mach/mach_traps.h
@@ -17,8 +17,7 @@
 
 /* Declare the few Mach system calls (except mach_msg, in <mach/message.h>).
    This does not include the kernel RPC shortcut calls (in <mach-shortcuts.h>).
-
-   This file omits the MACH_IPC_COMPAT functions.  */
+   */
 
 #ifndef	_MACH_MACH_TRAPS_H
 
diff --git a/sysdeps/mach/hurd/fork.c b/sysdeps/mach/hurd/fork.c
index fe3f544..b55eecf 100644
--- a/sysdeps/mach/hurd/fork.c
+++ b/sysdeps/mach/hurd/fork.c
@@ -213,38 +213,9 @@ __fork (void)
 	    {
 	      /* This is a receive right.  We want to give the child task
 		 its own new receive right under the same name.  */
-	      err = __mach_port_allocate_name (newtask,
-					       MACH_PORT_RIGHT_RECEIVE,
-					       portnames[i]);
-	      if (err == KERN_NAME_EXISTS)
-		{
-		  /* It already has a right under this name (?!).  Well,
-		     there is this bizarre old Mach IPC feature (in #ifdef
-		     MACH_IPC_COMPAT in the ukernel) which results in new
-		     tasks getting a new receive right for task special
-		     port number 2.  What else might be going on I'm not
-		     sure.  So let's check.  */
-#if !MACH_IPC_COMPAT
-#define TASK_NOTIFY_PORT 2
-#endif
-		  assert (({ mach_port_t thisport, notify_port;
-			     mach_msg_type_name_t poly;
-			     (__task_get_special_port (newtask,
-						       TASK_NOTIFY_PORT,
-						       &notify_port) == 0 &&
-			      __mach_port_extract_right
-			      (newtask,
-			       portnames[i],
-			       MACH_MSG_TYPE_MAKE_SEND,
-			       &thisport, &poly) == 0 &&
-			      (thisport == notify_port) &&
-			      __mach_port_deallocate (__mach_task_self (),
-						      thisport) == 0 &&
-			      __mach_port_deallocate (__mach_task_self (),
-						      notify_port) == 0);
-			   }));
-		}
-	      else if (err)
+	      if (err = __mach_port_allocate_name (newtask,
+						   MACH_PORT_RIGHT_RECEIVE,
+						   portnames[i]))
 		LOSE;
 	      if (porttypes[i] & MACH_PORT_TYPE_SEND)
 		{

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=903d3633ec9e9ffe699611351200bebaf2152bd8

commit 903d3633ec9e9ffe699611351200bebaf2152bd8
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sat Jan 27 21:37:29 2018 +0100

    hurd: fix warning
    
    	* sysdeps/mach/hurd/Makefile [$(subdir)==nis]: Add
    	-DUSE_BINDINGDIR=1 to CFLAGS-ypclnt.c.

diff --git a/ChangeLog b/ChangeLog
index 88f6d93..4e1e4bf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -19,6 +19,8 @@
 	timer_ptr2id to cast struct timer_node * to void *.
 	* scripts/build-many-glibcs.py [os == gnu] (build_gcc): Pass
 	--disable-libcilkrts to gcc configure.
+	* sysdeps/mach/hurd/Makefile [$(subdir)==nis]: Add
+	-DUSE_BINDINGDIR=1 to CFLAGS-ypclnt.c.
 
 2018-01-27  James Clarke  <jrtc27@jrtc27.com>
 
diff --git a/sysdeps/mach/hurd/Makefile b/sysdeps/mach/hurd/Makefile
index f0d3373..492ace0 100644
--- a/sysdeps/mach/hurd/Makefile
+++ b/sysdeps/mach/hurd/Makefile
@@ -203,4 +203,8 @@ sysdep_headers += net/ethernet.h net/if_arp.h net/if_ether.h net/if_ppp.h \
 		  net/route.h
 endif
 
+ifeq ($(subdir),nis)
+CFLAGS-ypclnt.c += -DUSE_BINDINGDIR=1
+endif
+
 endif	# in-Makerules

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                     |   18 ++++++++++++++++++
 mach/Machrules                |    2 +-
 mach/mach/mach_traps.h        |    3 +--
 scripts/build-many-glibcs.py  |    9 ++++++++-
 sysdeps/mach/hurd/Makefile    |    4 ++++
 sysdeps/mach/hurd/dl-sysdep.c |    3 +++
 sysdeps/mach/hurd/fork.c      |   35 +++--------------------------------
 sysdeps/mach/hurd/getresgid.c |   17 ++++++-----------
 sysdeps/mach/hurd/getresuid.c |   17 ++++++-----------
 sysdeps/mach/hurd/profil.c    |    3 ++-
 sysdeps/mach/pagecopy.h       |    4 ++--
 11 files changed, 54 insertions(+), 61 deletions(-)


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