d7a4856e5d
1999-12-01 Andreas Jaeger <aj@suse.de> * sysdeps/generic/if_index.c (__protocol_available): Add missing int for parameter. * stdio/stdio.h: Fix typo. Patches by Marcus G. Daniels <mgd@santafe.edu>. 1999-12-01 Andreas Jaeger <aj@suse.de> * scripts/test-installation.pl (installation_problem): Filter out libpthread_db. 1999-12-01 Andreas Schwab <schwab@suse.de> * sysdeps/unix/sysv/linux/alpha/bits/types.h: Fix signedness of __rlim_t and __rlim64_t. * sysdeps/unix/sysv/linux/mips/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/types.h: Likewise. 1999-12-01 Andreas Schwab <schwab@suse.de> * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add oldgetrlimit64 and oldsetrlimit64 for subdir = resource. * sysdeps/unix/sysv/linux/Versions: Add getrlimit, setrlimit, getrlimit64 and setrlimit64 to version GLIBC_2.1.3. * sysdeps/unix/sysv/linux/setrlimit.c: Correct handling of old and new kernel version. Add symbol versions. * sysdeps/unix/sysv/linux/syscalls.list: Add oldsetrlimit and oldgetrlimit. * sysdeps/unix/sysv/linux/alpha/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add s_getrlimit and s_ugetrlimit. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/getrlimit.c: New file. * sysdeps/unix/sysv/linux/getrlimit64.c: New file. * sysdeps/unix/sysv/linux/oldgetrlimit64.c: New file. * sysdeps/unix/sysv/linux/oldsetrlimit64.c: New file. * sysdeps/unix/sysv/linux/setrlimit64.c: New file. * sysdeps/unix/sysv/linux/alpha/oldgetrlimit64.c: New file. * sysdeps/unix/sysv/linux/alpha/oldsetrlimit64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/oldgetrlimit64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/oldsetrlimit64.c: New file.
94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
/* Copyright (C) 1999 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <sys/param.h>
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#include <sys/resource.h>
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#include <sysdep.h>
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#include <sys/syscall.h>
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#include "kernel-features.h"
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extern int __syscall_setrlimit (unsigned int resource,
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const struct rlimit *rlimits);
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extern int __syscall_ugetrlimit (unsigned int resource,
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const struct rlimit *rlimits);
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/* Linux 2.3.25 introduced a new system call since the types used for
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the limits are now unsigned. */
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#if defined __NR_ugetrlimit && !defined __ASSUME_NEW_GETRLIMIT_SYSCALL
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extern int __have_no_new_getrlimit; /* from getrlimit.c */
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#endif
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int
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__new_setrlimit (enum __rlimit_resource resource, const struct rlimit *rlimits)
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{
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#ifdef __ASSUME_NEW_GETRLIMIT_SYSCALL
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return INLINE_SYSCALL (setrlimit, 2, resource, rlimits);
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#else
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struct rlimit rlimits_small;
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# ifdef __NR_ugetrlimit
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if (__have_no_new_getrlimit <= 0)
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{
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int result = INLINE_SYSCALL (setrlimit, 2, resource, rlimits);
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/* Return if the values are not out of range or if we positively
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know that the ugetrlimit system call exists. */
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if (result != -1 || errno != EINVAL || __have_no_new_getrlimit < 0)
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return result;
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/* Check if the new ugetrlimit syscall exists. */
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if (INLINE_SYSCALL (ugetrlimit, 2, resource, &rlimits_small) != -1
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|| errno != ENOSYS)
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{
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/* There was some other error, probably RESOURCE out of range.
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Remember that the ugetrlimit system call really exists. */
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__have_no_new_getrlimit = -1;
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/* Restore previous errno value. */
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__set_errno (EINVAL);
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return result;
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}
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/* Remember that the kernel uses the old interface. */
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__have_no_new_getrlimit = 1;
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}
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# endif
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/* We might have to correct the limits values. Since the old values
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were signed the new values might be too large. */
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rlimits_small.rlim_cur = MIN ((unsigned long int) rlimits->rlim_cur,
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RLIM_INFINITY >> 1);
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rlimits_small.rlim_max = MIN ((unsigned long int) rlimits->rlim_max,
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RLIM_INFINITY >> 1);
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/* Try again with the adjusted values. */
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return INLINE_SYSCALL (setrlimit, 2, resource, &rlimits_small);
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#endif
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}
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#if defined PIC && DO_VERSIONING
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default_symbol_version (__new_setrlimit, __setrlimit, GLIBC_2.1.3);
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strong_alias (__new_setrlimit, _new_setrlimit);
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default_symbol_version (_new_setrlimit, setrlimit, GLIBC_2.1.3);
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#else
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weak_alias (__new_setrlimit, __setrlimit);
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weak_alias (__new_setrlimit, setrlimit);
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#endif
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