mirror of
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Use single bits/sem.h for all architectures.
The bits/sem.h headers for architectures using the Linux kernel vary in a few ways: * x32 uses __syscall_ulong_t instead of unsigned long int. * The x86 header uses padding after time fields unconditionally (including for both x86_64 ABIs), not just for 32-bit time (unlike in msqid_ds where there is only padding for 32-bit time). Because this padding is present for x32, and is __syscall_ulong_t there, it does have to be __syscall_ulong_t, not unsigned long int. * The MIPS header never uses padding around time fields, even when 32-bit (unlike in msqid_ds where it has endian-dependent padding for 32-bit time). * Some older 32-bit big-endian architectures have padding before rather than after time fields, although the preferred generic approach is padding after the time fields independent of endianness. (There are also insubstantial differences such as use of unsigned int for padding instead of unsigned long int, which makes no difference to layout since the padding fields using unsigned int are only present on 32-bit architectures.) For the first, __syscall_ulong_t can be used in the generic version as it's the same as unsigned long int everywhere except x32. For the other differences, this patch adds macros __SEM_PAD_BEFORE_TIME and __SEM_PAD_AFTER_TIME in a new bits/sem-pad.h header, so that header is the only one needing to be provided on architectures with differences in this area, and everything else can go in a single common bits/sem.h header. Tested for x86_64 and x86, and with build-many-glibcs.py. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add bits/sem-pad.h. * sysdeps/unix/sysv/linux/bits/sem.h: Include <bits/sem-pad.h> instead of <bits/wordsize.h>. (__SEM_PAD_TIME): New macro, depending on [__SEM_PAD_BEFORE_TIME] and [__SEM_PAD_AFTER_TIME]. (struct semid_ds): Define time fields using __SEM_PAD_TIME. Use __syscall_ulong_t instead of unsigned long int. * sysdeps/unix/sysv/linux/bits/sem-pad.h: New file. * sysdeps/unix/sysv/linux/hppa/bits/sem-pad.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/sem-pad.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/sem-pad.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/sem-pad.h: Likewise. * sysdeps/unix/sysv/linux/x86/bits/sem-pad.h: Likewise. * sysdeps/unix/sysv/linux/hppa/bits/sem.h: Remove. * sysdeps/unix/sysv/linux/mips/bits/sem.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/sem.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/sem.h: Likewise. * sysdeps/unix/sysv/linux/x86/bits/sem.h: Likewise.
This commit is contained in:
Joseph Myers
parent
620a5d4cb1
commit
bcdb1bfa0c
22
ChangeLog
22
ChangeLog
@ -1,3 +1,25 @@
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2018-10-15 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
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bits/sem-pad.h.
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* sysdeps/unix/sysv/linux/bits/sem.h: Include <bits/sem-pad.h>
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instead of <bits/wordsize.h>.
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(__SEM_PAD_TIME): New macro, depending on [__SEM_PAD_BEFORE_TIME]
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and [__SEM_PAD_AFTER_TIME].
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(struct semid_ds): Define time fields using __SEM_PAD_TIME. Use
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__syscall_ulong_t instead of unsigned long int.
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* sysdeps/unix/sysv/linux/bits/sem-pad.h: New file.
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* sysdeps/unix/sysv/linux/hppa/bits/sem-pad.h: Likewise.
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* sysdeps/unix/sysv/linux/mips/bits/sem-pad.h: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/bits/sem-pad.h: Likewise.
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* sysdeps/unix/sysv/linux/sparc/bits/sem-pad.h: Likewise.
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* sysdeps/unix/sysv/linux/x86/bits/sem-pad.h: Likewise.
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* sysdeps/unix/sysv/linux/hppa/bits/sem.h: Remove.
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* sysdeps/unix/sysv/linux/mips/bits/sem.h: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/bits/sem.h: Likewise.
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* sysdeps/unix/sysv/linux/sparc/bits/sem.h: Likewise.
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* sysdeps/unix/sysv/linux/x86/bits/sem.h: Likewise.
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2018-10-14 Paul Eggert <eggert@cs.ucla.edu>
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2018-10-14 Paul Eggert <eggert@cs.ucla.edu>
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regex: simplify by using intprops.h
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regex: simplify by using intprops.h
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@ -43,7 +43,7 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
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bits/siginfo-arch.h bits/siginfo-consts-arch.h \
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bits/siginfo-arch.h bits/siginfo-consts-arch.h \
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bits/procfs.h bits/procfs-id.h bits/procfs-extra.h \
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bits/procfs.h bits/procfs-id.h bits/procfs-extra.h \
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bits/procfs-prregset.h bits/mman-map-flags-generic.h \
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bits/procfs-prregset.h bits/mman-map-flags-generic.h \
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bits/msq-pad.h
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bits/msq-pad.h bits/sem-pad.h
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tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \
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tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \
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tst-quota tst-sync_file_range tst-sysconf-iov_max tst-ttyname \
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tst-quota tst-sync_file_range tst-sysconf-iov_max tst-ttyname \
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33
sysdeps/unix/sysv/linux/bits/sem-pad.h
Normal file
33
sysdeps/unix/sysv/linux/bits/sem-pad.h
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@ -0,0 +1,33 @@
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/* Define where padding goes in struct semid_ds. Generic version.
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Copyright (C) 2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_SEM_H
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# error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
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#endif
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#include <bits/wordsize.h>
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/* On most architectures, padding goes after time fields for 32-bit
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systems and is omitted for 64-bit systems. Some architectures pad
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before time fields instead, or omit padding despite being 32-bit,
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or include it despite being 64-bit. This must match the layout
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used for struct semid64_ds in <asm/sembuf.h>, as glibc does not do
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layout conversions for this structure. */
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#define __SEM_PAD_AFTER_TIME (__WORDSIZE == 32)
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#define __SEM_PAD_BEFORE_TIME 0
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@ -20,7 +20,7 @@
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#endif
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#endif
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#include <sys/types.h>
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#include <sys/types.h>
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#include <bits/wordsize.h>
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#include <bits/sem-pad.h>
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/* Flags for `semop'. */
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/* Flags for `semop'. */
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#define SEM_UNDO 0x1000 /* undo the operation on exit */
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#define SEM_UNDO 0x1000 /* undo the operation on exit */
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@ -35,21 +35,26 @@
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#define SETALL 17 /* set all semval's */
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#define SETALL 17 /* set all semval's */
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#if __SEM_PAD_BEFORE_TIME
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# define __SEM_PAD_TIME(NAME, RES) \
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__syscall_ulong_t __glibc_reserved ## RES; __time_t NAME
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#elif __SEM_PAD_AFTER_TIME
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# define __SEM_PAD_TIME(NAME, RES) \
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__time_t NAME; __syscall_ulong_t __glibc_reserved ## RES
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#else
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# define __SEM_PAD_TIME(NAME, RES) \
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__time_t NAME
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#endif
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/* Data structure describing a set of semaphores. */
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/* Data structure describing a set of semaphores. */
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struct semid_ds
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struct semid_ds
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{
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{
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struct ipc_perm sem_perm; /* operation permission struct */
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struct ipc_perm sem_perm; /* operation permission struct */
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__time_t sem_otime; /* last semop() time */
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__SEM_PAD_TIME (sem_otime, 1); /* last semop() time */
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#if __WORDSIZE == 32
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__SEM_PAD_TIME (sem_ctime, 2); /* last time changed by semctl() */
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unsigned long int __glibc_reserved1;
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__syscall_ulong_t sem_nsems; /* number of semaphores in set */
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#endif
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__syscall_ulong_t __glibc_reserved3;
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__time_t sem_ctime; /* last time changed by semctl() */
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__syscall_ulong_t __glibc_reserved4;
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#if __WORDSIZE == 32
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unsigned long int __glibc_reserved2;
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#endif
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unsigned long int sem_nsems; /* number of semaphores in set */
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unsigned long int __glibc_reserved3;
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unsigned long int __glibc_reserved4;
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};
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};
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/* The user should define a union like the following to use it for arguments
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/* The user should define a union like the following to use it for arguments
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26
sysdeps/unix/sysv/linux/hppa/bits/sem-pad.h
Normal file
26
sysdeps/unix/sysv/linux/hppa/bits/sem-pad.h
Normal file
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/* Define where padding goes in struct semid_ds. HPPA version.
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Copyright (C) 2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_SEM_H
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# error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
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#endif
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#include <bits/wordsize.h>
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#define __SEM_PAD_AFTER_TIME 0
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#define __SEM_PAD_BEFORE_TIME (__WORDSIZE == 32)
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@ -1,92 +0,0 @@
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/* Copyright (C) 1995-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_SEM_H
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# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
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#endif
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#include <sys/types.h>
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#include <bits/wordsize.h>
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/* Flags for `semop'. */
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#define SEM_UNDO 0x1000 /* undo the operation on exit */
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/* Commands for `semctl'. */
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#define GETPID 11 /* get sempid */
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#define GETVAL 12 /* get semval */
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#define GETALL 13 /* get all semval's */
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#define GETNCNT 14 /* get semncnt */
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#define GETZCNT 15 /* get semzcnt */
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#define SETVAL 16 /* set semval */
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#define SETALL 17 /* set all semval's */
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/* Data structure describing a set of semaphores. */
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struct semid_ds
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{
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struct ipc_perm sem_perm; /* operation permission struct */
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#if __WORDSIZE == 32
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unsigned int __pad1;
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#endif
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__time_t sem_otime; /* last semop() time */
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#if __WORDSIZE == 32
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unsigned int __pad2;
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#endif
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__time_t sem_ctime; /* last time changed by semctl() */
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unsigned long int sem_nsems; /* number of semaphores in set */
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unsigned long int __glibc_reserved1;
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unsigned long int __glibc_reserved2;
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};
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/* The user should define a union like the following to use it for arguments
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for `semctl'.
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union semun
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{
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int val; <= value for SETVAL
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struct semid_ds *buf; <= buffer for IPC_STAT & IPC_SET
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unsigned short int *array; <= array for GETALL & SETALL
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struct seminfo *__buf; <= buffer for IPC_INFO
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};
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Previous versions of this file used to define this union but this is
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incorrect. One can test the macro _SEM_SEMUN_UNDEFINED to see whether
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one must define the union or not. */
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#define _SEM_SEMUN_UNDEFINED 1
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#ifdef __USE_MISC
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/* ipcs ctl cmds */
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# define SEM_STAT 18
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# define SEM_INFO 19
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# define SEM_STAT_ANY 20
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struct seminfo
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{
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int semmap;
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int semmni;
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int semmns;
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int semmnu;
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int semmsl;
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int semopm;
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int semume;
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int semusz;
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int semvmx;
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int semaem;
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};
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#endif /* __USE_MISC */
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24
sysdeps/unix/sysv/linux/mips/bits/sem-pad.h
Normal file
24
sysdeps/unix/sysv/linux/mips/bits/sem-pad.h
Normal file
@ -0,0 +1,24 @@
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/* Define where padding goes in struct semid_ds. MIPS version.
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Copyright (C) 2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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|
modify it under the terms of the GNU Lesser General Public
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|
License as published by the Free Software Foundation; either
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|
version 2.1 of the License, or (at your option) any later version.
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|
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The GNU C Library is distributed in the hope that it will be useful,
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|
but WITHOUT ANY WARRANTY; without even the implied warranty of
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|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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|
Lesser General Public License for more details.
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|
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You should have received a copy of the GNU Lesser General Public
|
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|
License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_SEM_H
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# error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
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#endif
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#define __SEM_PAD_AFTER_TIME 0
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#define __SEM_PAD_BEFORE_TIME 0
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@ -1,85 +0,0 @@
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/* Copyright (C) 1995-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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|
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modify it under the terms of the GNU Lesser General Public
|
|
||||||
License as published by the Free Software Foundation; either
|
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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||||||
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/>. */
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#ifndef _SYS_SEM_H
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# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
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#endif
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#include <sys/types.h>
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/* Flags for `semop'. */
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#define SEM_UNDO 0x1000 /* undo the operation on exit */
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/* Commands for `semctl'. */
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#define GETPID 11 /* get sempid */
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#define GETVAL 12 /* get semval */
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#define GETALL 13 /* get all semval's */
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#define GETNCNT 14 /* get semncnt */
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#define GETZCNT 15 /* get semzcnt */
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#define SETVAL 16 /* set semval */
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#define SETALL 17 /* set all semval's */
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/* Data structure describing a set of semaphores. */
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struct semid_ds
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{
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struct ipc_perm sem_perm; /* operation permission struct */
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__time_t sem_otime; /* last semop() time */
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__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 */
|
|
||||||
26
sysdeps/unix/sysv/linux/powerpc/bits/sem-pad.h
Normal file
26
sysdeps/unix/sysv/linux/powerpc/bits/sem-pad.h
Normal file
@ -0,0 +1,26 @@
|
|||||||
|
/* Define where padding goes in struct semid_ds. PowerPC version.
|
||||||
|
Copyright (C) 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 use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <bits/wordsize.h>
|
||||||
|
|
||||||
|
#define __SEM_PAD_AFTER_TIME 0
|
||||||
|
#define __SEM_PAD_BEFORE_TIME (__WORDSIZE == 32)
|
||||||
@ -1,91 +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 */
|
|
||||||
#if __WORDSIZE == 32
|
|
||||||
unsigned int __glibc_reserved1;
|
|
||||||
#endif
|
|
||||||
__time_t sem_otime; /* last semop() time */
|
|
||||||
#if __WORDSIZE == 32
|
|
||||||
unsigned int __glibc_reserved2;
|
|
||||||
#endif
|
|
||||||
__time_t sem_ctime; /* last time changed by semctl() */
|
|
||||||
unsigned long int sem_nsems; /* number of semaphores in set */
|
|
||||||
unsigned long __glibc_reserved3;
|
|
||||||
unsigned long __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 */
|
|
||||||
26
sysdeps/unix/sysv/linux/sparc/bits/sem-pad.h
Normal file
26
sysdeps/unix/sysv/linux/sparc/bits/sem-pad.h
Normal file
@ -0,0 +1,26 @@
|
|||||||
|
/* Define where padding goes in struct semid_ds. SPARC version.
|
||||||
|
Copyright (C) 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 use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <bits/wordsize.h>
|
||||||
|
|
||||||
|
#define __SEM_PAD_AFTER_TIME 0
|
||||||
|
#define __SEM_PAD_BEFORE_TIME (__WORDSIZE == 32)
|
||||||
@ -1,92 +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>
|
|
||||||
#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 */
|
|
||||||
#if __WORDSIZE == 32
|
|
||||||
unsigned int __pad1;
|
|
||||||
#endif
|
|
||||||
__time_t sem_otime; /* last semop() time */
|
|
||||||
#if __WORDSIZE == 32
|
|
||||||
unsigned int __pad2;
|
|
||||||
#endif
|
|
||||||
__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 */
|
|
||||||
24
sysdeps/unix/sysv/linux/x86/bits/sem-pad.h
Normal file
24
sysdeps/unix/sysv/linux/x86/bits/sem-pad.h
Normal file
@ -0,0 +1,24 @@
|
|||||||
|
/* Define where padding goes in struct semid_ds. x86 version.
|
||||||
|
Copyright (C) 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 use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define __SEM_PAD_AFTER_TIME 1
|
||||||
|
#define __SEM_PAD_BEFORE_TIME 0
|
||||||
@ -1,87 +0,0 @@
|
|||||||
/* Copyright (C) 2002-2018 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 */
|
|
||||||
__syscall_ulong_t __glibc_reserved1;
|
|
||||||
__time_t sem_ctime; /* last time changed by semctl() */
|
|
||||||
__syscall_ulong_t __glibc_reserved2;
|
|
||||||
__syscall_ulong_t sem_nsems; /* number of semaphores in set */
|
|
||||||
__syscall_ulong_t __glibc_reserved3;
|
|
||||||
__syscall_ulong_t __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 */
|
|
||||||
Loading…
Reference in New Issue
Block a user