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hurd 64bit: Fix ipc_perm fields types

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The standards want uid/cuid to be uid_t, gid/cgid to be gid_t and mode to be
mode_t, see BZ 23082.

We can leave them short ints on i386 for ABI compatibility, but avoid
hitting the issue on 64bit.

bits/ipc.h ends up being exactly the same in sysdeps/gnu/ and
sysdeps/unix/sysv/linux/, so remove the latter.
This commit is contained in:
Samuel Thibault 2023-05-01 14:40:12 +02:00
parent d5e2f9eaf7
commit e3a3616dbf
6 changed files with 71 additions and 53 deletions
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4
sysdeps/gnu/Makefile
View File

@ -44,3 +44,7 @@ librt-sysdep_routines += rt-unwind-resume
librt-shared-only-routines += rt-unwind-resume
CFLAGS-rt-unwind-resume.c += -fexceptions -fasynchronous-unwind-tables
endif
ifeq ($(subdir),sysvipc)
sysdep_headers += bits/ipc-perm.h
endif

33
sysdeps/gnu/bits/ipc-perm.h Normal file
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@ -0,0 +1,33 @@
/* struct ipc_perm definition.
Copyright (C) 1995-2023 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
<https://www.gnu.org/licenses/>. */
#ifndef _SYS_IPC_H
# error "Never use <bits/ipc-perm.h> directly; include <sys/ipc.h> instead."
#endif
/* Data structure used to pass permission information to IPC operations. */
struct ipc_perm
{
__key_t __key; /* Key. */
__uid_t uid; /* Owner's user ID. */
__gid_t gid; /* Owner's group ID. */
__uid_t cuid; /* Creator's user ID. */
__gid_t cgid; /* Creator's group ID. */
__mode_t mode; /* Read/write permission. */
unsigned short int __seq; /* Sequence number. */
};

13
sysdeps/gnu/bits/ipc.h
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@ -37,15 +37,4 @@
/* Special key values. */
#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
/* Data structure used to pass permission information to IPC operations. */
struct ipc_perm
{
__key_t __key; /* Key. */
unsigned short int uid; /* Owner's user ID. */
unsigned short int gid; /* Owner's group ID. */
unsigned short int cuid; /* Creator's user ID. */
unsigned short int cgid; /* Creator's group ID. */
unsigned short int mode; /* Read/write permission. */
unsigned short int __seq; /* Sequence number. */
};
#include <bits/ipc-perm.h>

33
sysdeps/mach/hurd/i386/bits/ipc-perm.h Normal file
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@ -0,0 +1,33 @@
/* struct ipc_perm definition.
Copyright (C) 1995-2023 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
<https://www.gnu.org/licenses/>. */
#ifndef _SYS_IPC_H
# error "Never use <bits/ipc-perm.h> directly; include <sys/ipc.h> instead."
#endif
/* Data structure used to pass permission information to IPC operations. */
struct ipc_perm
{
__key_t __key; /* Key. */
unsigned short int uid; /* Owner's user ID. */
unsigned short int gid; /* Owner's group ID. */
unsigned short int cuid; /* Creator's user ID. */
unsigned short int cgid; /* Creator's group ID. */
unsigned short int mode; /* Read/write permission. */
unsigned short int __seq; /* Sequence number. */
};

1
sysdeps/unix/sysv/linux/Makefile
View File

@ -125,7 +125,6 @@ sysdep_headers += \
bits/epoll.h \
bits/eventfd.h \
bits/inotify.h \
bits/ipc-perm.h \
bits/mman-linux.h \
bits/mman-map-flags-generic.h \
bits/mman-shared.h \

40
sysdeps/unix/sysv/linux/bits/ipc.h
View File

@ -1,40 +0,0 @@
/* Copyright (C) 1995-2023 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
<https://www.gnu.org/licenses/>. */
#ifndef _SYS_IPC_H
# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
#endif
#include <bits/types.h>
/* Mode bits for `msgget', `semget', and `shmget'. */
#define IPC_CREAT 01000 /* Create key if key does not exist. */
#define IPC_EXCL 02000 /* Fail if key exists. */
#define IPC_NOWAIT 04000 /* Return error on wait. */
/* Control commands for `msgctl', `semctl', and `shmctl'. */
#define IPC_RMID 0 /* Remove identifier. */
#define IPC_SET 1 /* Set `ipc_perm' options. */
#define IPC_STAT 2 /* Get `ipc_perm' options. */
#ifdef __USE_GNU
# define IPC_INFO 3 /* See ipcs. */
#endif
/* Special key values. */
#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
#include <bits/ipc-perm.h>