GNU C Library master sources branch master updated. glibc-2.28.9000-183-g19e62f2

jsm28@sourceware.org jsm28@sourceware.org
Wed Oct 10 00:54:00 GMT 2018


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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=19e62f26901febce98e34d81eb40323dcc835cd3

commit 19e62f26901febce98e34d81eb40323dcc835cd3
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Wed Oct 10 00:54:27 2018 +0000

    Use common bits/sem.h for more architectures.
    
    sysdeps/unix/sysv/linux/bits/sem.h has padding after time fields in
    struct semid_ds unconditionally, and thus is only suitable for 32-bit
    architectures (no 64-bit configurations use this file);
    sysdeps/unix/sysv/linux/generic/bits/sem.h is substantively the same,
    except that the padding is conditioned on __WORDSIZE == 32, and so it
    can be used for 64-bit architectures as well.
    
    This patch adds the conditionals to
    sysdeps/unix/sysv/linux/bits/sem.h.  The linux/generic/ version is
    then no longer needed and so is removed, as are the alpha, ia64 and
    s390 versions which are also no longer needed.  The other
    architecture-specific versions have different padding or types and so
    are still needed after this change.
    
    This is essentially the same change for bits/sem.h as the bits/msq.h
    patch.  However, the details of the padding variations for the
    architectures that aren't changed are not all the same between
    msqid_ds and semid_ds.
    
    Tested with build-many-glibcs.py.
    
    	* sysdeps/unix/sysv/linux/bits/sem.h: Include <bits/wordsize.h>.
    	(struct semid_ds): Condition padding after time fields on
    	[__WORDSIZE == 32].
    	* sysdeps/unix/sysv/linux/alpha/bits/sem.h: Remove file.
    	* sysdeps/unix/sysv/linux/generic/bits/sem.h: Likewise.
    	* sysdeps/unix/sysv/linux/ia64/bits/sem.h: Likewise.
    	* sysdeps/unix/sysv/linux/s390/bits/sem.h: Likewise.

diff --git a/ChangeLog b/ChangeLog
index 124f645..4d4dbe2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2018-10-10  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/unix/sysv/linux/bits/sem.h: Include <bits/wordsize.h>.
+	(struct semid_ds): Condition padding after time fields on
+	[__WORDSIZE == 32].
+	* sysdeps/unix/sysv/linux/alpha/bits/sem.h: Remove file.
+	* sysdeps/unix/sysv/linux/generic/bits/sem.h: Likewise.
+	* sysdeps/unix/sysv/linux/ia64/bits/sem.h: Likewise.
+	* sysdeps/unix/sysv/linux/s390/bits/sem.h: Likewise.
+
 	* sysdeps/unix/sysv/linux/bits/msq.h: Include <bits/wordsize.h>.
 	(struct msqid_ds): Condition padding after time fields on
 	[__WORDSIZE == 32].
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/sem.h b/sysdeps/unix/sysv/linux/alpha/bits/sem.h
deleted file mode 100644
index d218cf4..0000000
--- a/sysdeps/unix/sysv/linux/alpha/bits/sem.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/* Copyright (C) 1995-2018 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/>.  */
-
-#ifndef _SYS_SEM_H
-# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
-#endif
-
-#include <sys/types.h>
-
-/* Flags for `semop'.  */
-#define SEM_UNDO	0x1000		/* undo the operation on exit */
-
-/* Commands for `semctl'.  */
-#define GETPID		11		/* get sempid */
-#define GETVAL		12		/* get semval */
-#define GETALL		13		/* get all semval's */
-#define GETNCNT		14		/* get semncnt */
-#define GETZCNT		15		/* get semzcnt */
-#define SETVAL		16		/* set semval */
-#define SETALL		17		/* set all semval's */
-
-
-/* Data structure describing a set of semaphores.  */
-struct semid_ds
-{
-  struct ipc_perm sem_perm;		/* operation permission struct */
-  __time_t sem_otime;			/* last semop() time */
-  __time_t sem_ctime;			/* last time changed by semctl() */
-  unsigned long int sem_nsems;		/* number of semaphores in set */
-  unsigned long int __glibc_reserved1;
-  unsigned long int __glibc_reserved2;
-};
-
-/* The user should define a union like the following to use it for arguments
-   for `semctl'.
-
-   union semun
-   {
-     int val;				<= value for SETVAL
-     struct semid_ds *buf;		<= buffer for IPC_STAT & IPC_SET
-     unsigned short int *array;		<= array for GETALL & SETALL
-     struct seminfo *__buf;		<= buffer for IPC_INFO
-   };
-
-   Previous versions of this file used to define this union but this is
-   incorrect.  One can test the macro _SEM_SEMUN_UNDEFINED to see whether
-   one must define the union or not.  */
-#define _SEM_SEMUN_UNDEFINED	1
-
-#ifdef __USE_MISC
-
-/* ipcs ctl cmds */
-# define SEM_STAT 18
-# define SEM_INFO 19
-# define SEM_STAT_ANY 20
-
-struct  seminfo
-{
-  int semmap;
-  int semmni;
-  int semmns;
-  int semmnu;
-  int semmsl;
-  int semopm;
-  int semume;
-  int semusz;
-  int semvmx;
-  int semaem;
-};
-
-#endif /* __USE_MISC */
diff --git a/sysdeps/unix/sysv/linux/bits/sem.h b/sysdeps/unix/sysv/linux/bits/sem.h
index 7ccd600..bf6d797 100644
--- a/sysdeps/unix/sysv/linux/bits/sem.h
+++ b/sysdeps/unix/sysv/linux/bits/sem.h
@@ -20,6 +20,7 @@
 #endif
 
 #include <sys/types.h>
+#include <bits/wordsize.h>
 
 /* Flags for `semop'.  */
 #define SEM_UNDO	0x1000		/* undo the operation on exit */
@@ -39,9 +40,13 @@ struct semid_ds
 {
   struct ipc_perm sem_perm;		/* operation permission struct */
   __time_t sem_otime;			/* last semop() time */
+#if __WORDSIZE == 32
   unsigned long int __glibc_reserved1;
+#endif
   __time_t sem_ctime;			/* last time changed by semctl() */
+#if __WORDSIZE == 32
   unsigned long int __glibc_reserved2;
+#endif
   unsigned long int sem_nsems;		/* number of semaphores in set */
   unsigned long int __glibc_reserved3;
   unsigned long int __glibc_reserved4;
diff --git a/sysdeps/unix/sysv/linux/generic/bits/sem.h b/sysdeps/unix/sysv/linux/generic/bits/sem.h
deleted file mode 100644
index 9c8b318..0000000
--- a/sysdeps/unix/sysv/linux/generic/bits/sem.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
-
-   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/>.  */
-
-#ifndef _SYS_SEM_H
-# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
-#endif
-
-#include <sys/types.h>
-#include <bits/wordsize.h>
-
-/* Flags for `semop'.  */
-#define SEM_UNDO	0x1000		/* undo the operation on exit */
-
-/* Commands for `semctl'.  */
-#define GETPID		11		/* get sempid */
-#define GETVAL		12		/* get semval */
-#define GETALL		13		/* get all semval's */
-#define GETNCNT		14		/* get semncnt */
-#define GETZCNT		15		/* get semzcnt */
-#define SETVAL		16		/* set semval */
-#define SETALL		17		/* set all semval's */
-
-
-/* Data structure describing a set of semaphores.  */
-struct semid_ds
-{
-  struct ipc_perm sem_perm;		/* operation permission struct */
-  __time_t sem_otime;			/* last semop() time */
-#if __WORDSIZE == 32
-  unsigned long int __glibc_reserved1;
-#endif
-  __time_t sem_ctime;			/* last time changed by semctl() */
-#if __WORDSIZE == 32
-  unsigned long int __glibc_reserved2;
-#endif
-  unsigned long int sem_nsems;		/* number of semaphores in set */
-  unsigned long int __glibc_reserved3;
-  unsigned long int __glibc_reserved4;
-};
-
-/* The user should define a union like the following to use it for arguments
-   for `semctl'.
-
-   union semun
-   {
-     int val;				<= value for SETVAL
-     struct semid_ds *buf;		<= buffer for IPC_STAT & IPC_SET
-     unsigned short int *array;		<= array for GETALL & SETALL
-     struct seminfo *__buf;		<= buffer for IPC_INFO
-   };
-
-   Previous versions of this file used to define this union but this is
-   incorrect.  One can test the macro _SEM_SEMUN_UNDEFINED to see whether
-   one must define the union or not.  */
-#define _SEM_SEMUN_UNDEFINED	1
-
-#ifdef __USE_MISC
-
-/* ipcs ctl cmds */
-# define SEM_STAT 18
-# define SEM_INFO 19
-# define SEM_STAT_ANY 20
-
-struct seminfo
-{
-  int semmap;
-  int semmni;
-  int semmns;
-  int semmnu;
-  int semmsl;
-  int semopm;
-  int semume;
-  int semusz;
-  int semvmx;
-  int semaem;
-};
-
-#endif /* __USE_MISC */
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/sem.h b/sysdeps/unix/sysv/linux/ia64/bits/sem.h
deleted file mode 100644
index e263707..0000000
--- a/sysdeps/unix/sysv/linux/ia64/bits/sem.h
+++ /dev/null
@@ -1,86 +0,0 @@
-/* Copyright (C) 2000-2018 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
-
-   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/>.  */
-
-#ifndef _SYS_SEM_H
-# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
-#endif
-
-#include <sys/types.h>
-
-/* Flags for `semop'.  */
-#define SEM_UNDO	0x1000		/* undo the operation on exit */
-
-/* Commands for `semctl'.  */
-#define GETPID		11		/* get sempid */
-#define GETVAL		12		/* get semval */
-#define GETALL		13		/* get all semval's */
-#define GETNCNT		14		/* get semncnt */
-#define GETZCNT		15		/* get semzcnt */
-#define SETVAL		16		/* set semval */
-#define SETALL		17		/* set all semval's */
-
-
-/* Data structure describing a set of semaphores.  */
-struct semid_ds
-{
-  struct ipc_perm sem_perm;		/* operation permission struct */
-  __time_t sem_otime;			/* last semop() time */
-  __time_t sem_ctime;			/* last time changed by semctl() */
-  unsigned long int sem_nsems;		/* number of semaphores in set */
-  unsigned long int __glibc_reserved1;
-  unsigned long int __glibc_reserved2;
-};
-
-/* The user should define a union like the following to use it for arguments
-   for `semctl'.
-
-   union semun
-   {
-     int val;				<= value for SETVAL
-     struct semid_ds *buf;		<= buffer for IPC_STAT & IPC_SET
-     unsigned short int *array;		<= array for GETALL & SETALL
-     struct seminfo *__buf;		<= buffer for IPC_INFO
-   };
-
-   Previous versions of this file used to define this union but this is
-   incorrect.  One can test the macro _SEM_SEMUN_UNDEFINED to see whether
-   one must define the union or not.  */
-#define _SEM_SEMUN_UNDEFINED	1
-
-#ifdef __USE_MISC
-
-/* ipcs ctl cmds */
-# define SEM_STAT 18
-# define SEM_INFO 19
-# define SEM_STAT_ANY 20
-
-struct  seminfo
-{
-  int semmap;
-  int semmni;
-  int semmns;
-  int semmnu;
-  int semmsl;
-  int semopm;
-  int semume;
-  int semusz;
-  int semvmx;
-  int semaem;
-};
-
-#endif /* __USE_MISC */
diff --git a/sysdeps/unix/sysv/linux/s390/bits/sem.h b/sysdeps/unix/sysv/linux/s390/bits/sem.h
deleted file mode 100644
index 1d0bd5c..0000000
--- a/sysdeps/unix/sysv/linux/s390/bits/sem.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/* Copyright (C) 2001-2018 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/>.  */
-
-#ifndef _SYS_SEM_H
-# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
-#endif
-
-#include <sys/types.h>
-
-/* Flags for `semop'.  */
-#define SEM_UNDO	0x1000		/* undo the operation on exit */
-
-/* Commands for `semctl'.  */
-#define GETPID		11		/* get sempid */
-#define GETVAL		12		/* get semval */
-#define GETALL		13		/* get all semval's */
-#define GETNCNT		14		/* get semncnt */
-#define GETZCNT		15		/* get semzcnt */
-#define SETVAL		16		/* set semval */
-#define SETALL		17		/* set all semval's */
-
-
-/* Data structure describing a set of semaphores.  */
-struct semid_ds
-{
-  struct ipc_perm sem_perm;		/* operation permission struct */
-  __time_t sem_otime;			/* last semop() time */
-#if __WORDSIZE != 64
-  unsigned long int __glibc_reserved1;
-#endif
-  __time_t sem_ctime;			/* last time changed by semctl() */
-#if __WORDSIZE != 64
-  unsigned long int __glibc_reserved2;
-#endif
-  unsigned long int sem_nsems;		/* number of semaphores in set */
-  unsigned long int __glibc_reserved3;
-  unsigned long int __glibc_reserved4;
-};
-
-/* The user should define a union like the following to use it for arguments
-   for `semctl'.
-
-   union semun
-   {
-     int val;				<= value for SETVAL
-     struct semid_ds *buf;		<= buffer for IPC_STAT & IPC_SET
-     unsigned short int *array;		<= array for GETALL & SETALL
-     struct seminfo *__buf;		<= buffer for IPC_INFO
-   };
-
-   Previous versions of this file used to define this union but this is
-   incorrect.  One can test the macro _SEM_SEMUN_UNDEFINED to see whether
-   one must define the union or not.  */
-#define _SEM_SEMUN_UNDEFINED	1
-
-#ifdef __USE_MISC
-
-/* ipcs ctl cmds */
-# define SEM_STAT 18
-# define SEM_INFO 19
-# define SEM_STAT_ANY 20
-
-struct	seminfo
-{
-  int semmap;
-  int semmni;
-  int semmns;
-  int semmnu;
-  int semmsl;
-  int semopm;
-  int semume;
-  int semusz;
-  int semvmx;
-  int semaem;
-};
-
-#endif /* __USE_MISC */

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

Summary of changes:
 ChangeLog                                  |    8 +++
 sysdeps/unix/sysv/linux/alpha/bits/sem.h   |   85 -------------------------
 sysdeps/unix/sysv/linux/bits/sem.h         |    5 ++
 sysdeps/unix/sysv/linux/generic/bits/sem.h |   93 ----------------------------
 sysdeps/unix/sysv/linux/ia64/bits/sem.h    |   86 -------------------------
 sysdeps/unix/sysv/linux/s390/bits/sem.h    |   91 ---------------------------
 6 files changed, 13 insertions(+), 355 deletions(-)
 delete mode 100644 sysdeps/unix/sysv/linux/alpha/bits/sem.h
 delete mode 100644 sysdeps/unix/sysv/linux/generic/bits/sem.h
 delete mode 100644 sysdeps/unix/sysv/linux/ia64/bits/sem.h
 delete mode 100644 sysdeps/unix/sysv/linux/s390/bits/sem.h


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