mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 01:21:06 +00:00
3efdabe762
Check for the result overflowing off_t and fail with EOVERFLOW. * libio/ioftell.c (_IO_ftell): Likewise. * libio/iofgetpos.c (_IO_new_fgetpos): Likewise. * login/logwtmp.c (logwtmp): If sizeof ut_tv != sizeof struct timeval, use a temporary timeval on the stack for gettimeofday and copy it. * login/logout.c (logout): Likewise. Reported by Steven Munroe <sjmunroe@us.ibm.com>. * sysdeps/unix/sysv/linux/bits/statfs.h (struct statfs): Use __SWORD_TYPE instead of int for member types. (struct statfs64): Likewise. * sysdeps/unix/sysv/linux/alpha/bits/statfs.h: New file. * sysdeps/unix/sysv/linux/s390/bits/statfs.h: New file. * sysdeps/unix/sysv/linux/ia64/bits/statfs.h: File removed. * sysdeps/unix/sysv/linux/sparc/bits/statfs.h: File removed. * sysdeps/unix/sysv/linux/x86_64/bits/statfs.h: File removed. * sysdeps/unix/sysv/linux/sparc/bits/statvfs.h: Moved to ... * sysdeps/unix/sysv/linux/bits/statvfs.h: ... here. (ST_NODIRATIME): Restore fixed value of 2048. * sysdeps/unix/sysv/linux/alpha/bits/statvfs.h: File removed. * sysdeps/unix/sysv/linux/ia64/bits/statvfs.h: File removed. Rearranged <bits/types.h> definitions to reduce duplication. * sysdeps/generic/bits/types.h: Rewritten, using macros from <bits/wordsize.h> and new header <bits/typesizes.h>. * posix/Makefile (headers): Add bits/typesizes.h here. * sysdeps/generic/bits/typesizes.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/typesizes.h: New file. * sysdeps/unix/sysv/linux/sparc/bits/typesizes.h: New file. * sysdeps/mach/hurd/bits/typesizes.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/types.h: File removed. * sysdeps/unix/sysv/linux/bits/types.h: File removed. * sysdeps/unix/sysv/linux/ia64/bits/types.h: File removed. * sysdeps/unix/sysv/linux/mips/bits/types.h: File removed. * sysdeps/unix/sysv/linux/s390/bits/types.h: File removed. * sysdeps/unix/sysv/linux/sparc/bits/types.h: File removed. * sysdeps/unix/sysv/linux/x86_64/bits/types.h: File removed. * posix/sys/types.h [__USE_POSIX199506 || __USE_UNIX98]: Include <bits/pthreadtypes.h> here, not in <bits/types.h>. * signal/signal.h: Likewise. * streams/stropts.h: Include <bits/xtitypes.h>. * streams/Makefile (headers): Add bits/xtitypes.h here. * sysdeps/generic/bits/xtitypes.h: New file. * sysdeps/s390/bits/xtitypes.h: New file. * sysdeps/ia64/bits/xtitypes.h: New file. * sysdeps/x86_64/bits/xtitypes.h: New file. * sysvipc/Makefile (headers): Add bits/ipctypes.h here. * sysdeps/generic/bits/ipctypes.h: New file. * sysdeps/mips/bits/ipctypes.h: New file. * sysdeps/gnu/bits/shm.h: Include <bits/ipctypes.h>. * sysdeps/gnu/bits/msq.h: Likewise. * sysvipc/sys/ipc.h: Likewise. 2002-10-22 Roland McGrath <roland@redhat.com> * sysdeps/generic/libc-tls.c (_dl_tls_static_used): New variable. * sysdeps/generic/ldsodefs.h (struct rtld_global): New member `_dl_tls_static_used'. (TLS_STATIC_MIN): New macro. * elf/dl-reloc.c [USE_TLS] (allocate_static_tls): New function. (CHECK_STATIC_TLS): Use it.
93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
/* Copyright (C) 1995, 1996, 1997, 2000, 2002 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#ifndef _SYS_SHM_H
|
|
# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
|
|
#endif
|
|
|
|
#include <bits/types.h>
|
|
#include <bits/ipctypes.h>
|
|
|
|
/* Permission flag for shmget. */
|
|
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
|
|
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
|
|
|
|
/* Flags for `shmat'. */
|
|
#define SHM_RDONLY 010000 /* attach read-only else read-write */
|
|
#define SHM_RND 020000 /* round attach address to SHMLBA */
|
|
#define SHM_REMAP 040000 /* take-over region on attach */
|
|
|
|
/* Commands for `shmctl'. */
|
|
#define SHM_LOCK 11 /* lock segment (root only) */
|
|
#define SHM_UNLOCK 12 /* unlock segment (root only) */
|
|
|
|
/* Segment low boundary address multiple. */
|
|
#define SHMLBA (__getpagesize ())
|
|
extern int __getpagesize (void) __THROW __attribute__ ((__const__));
|
|
|
|
|
|
/* Type to count number of attaches. */
|
|
typedef unsigned short int shmatt_t;
|
|
|
|
/* Data structure describing a set of semaphores. */
|
|
struct shmid_ds
|
|
{
|
|
struct ipc_perm shm_perm; /* operation permission struct */
|
|
int shm_segsz; /* size of segment in bytes */
|
|
__time_t shm_atime; /* time of last shmat() */
|
|
__time_t shm_dtime; /* time of last shmdt() */
|
|
__time_t shm_ctime; /* time of last change by shmctl() */
|
|
__ipc_pid_t shm_cpid; /* pid of creator */
|
|
__ipc_pid_t shm_lpid; /* pid of last shmop */
|
|
shmatt_t shm_nattch; /* number of current attaches */
|
|
unsigned short int __shm_npages; /* size of segment (pages) */
|
|
unsigned long int *__shm_pages; /* array of ptrs to frames -> SHMMAX */
|
|
struct vm_area_struct *__attaches; /* descriptors for attaches */
|
|
};
|
|
|
|
#ifdef __USE_MISC
|
|
|
|
/* ipcs ctl commands */
|
|
# define SHM_STAT 13
|
|
# define SHM_INFO 14
|
|
|
|
/* shm_mode upper byte flags */
|
|
# define SHM_DEST 01000 /* segment will be destroyed on last detach */
|
|
# define SHM_LOCKED 02000 /* segment will not be swapped */
|
|
|
|
struct shminfo
|
|
{
|
|
int shmmax;
|
|
int shmmin;
|
|
int shmmni;
|
|
int shmseg;
|
|
int shmall;
|
|
};
|
|
|
|
struct shm_info
|
|
{
|
|
int used_ids;
|
|
unsigned long int shm_tot; /* total allocated shm */
|
|
unsigned long int shm_rss; /* total resident shm */
|
|
unsigned long int shm_swp; /* total swapped shm */
|
|
unsigned long int swap_attempts;
|
|
unsigned long int swap_successes;
|
|
};
|
|
|
|
#endif /* __USE_MISC */
|