diff options
| author | Ulrich Drepper <drepper@redhat.com> | 1999-11-06 07:45:31 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-11-06 07:45:31 +0000 |
| commit | 36e7206eacd39519ecb0fa7329cc376f29d1ca2c (patch) | |
| tree | a29ba082f387a03b86a6128215f243f911f841f5 | |
| parent | a9c27b3ee95cbd5a3c81d9999a97e6de7b770b5d (diff) | |
| download | glibc-36e7206eacd39519ecb0fa7329cc376f29d1ca2c.tar.gz glibc-36e7206eacd39519ecb0fa7329cc376f29d1ca2c.tar.xz glibc-36e7206eacd39519ecb0fa7329cc376f29d1ca2c.zip | |
Update.
* sysdeps/unix/sysv/linux/setrlimit.c: New file. 1999-10-04 Tim Waugh <twaugh@redhat.com>
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/setrlimit.c | 72 |
2 files changed, 75 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 85cb310550..f06e03a4c0 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,11 +1,13 @@ 1999-11-05 Ulrich Drepper <drepper@cygnus.com> + * sysdeps/unix/sysv/linux/setrlimit.c: New file. + * sysdeps/unix/sysv/linux/bits/resource.h (RLIM_INFINITY): Adjust for kernel changes. * sysdeps/unix/sysv/linux/bits/types.h (__rlim_t, __rlim64_t): Make unsigned. -1999-10-04 Tim Waugh <twaugh@redhat.com> +1999-10-04 Tim Waugh <twaugh@redhat.com> * posix/wordexp-test.c: More tests. diff --git a/sysdeps/unix/sysv/linux/setrlimit.c b/sysdeps/unix/sysv/linux/setrlimit.c new file mode 100644 index 0000000000..674a2cf8c3 --- /dev/null +++ b/sysdeps/unix/sysv/linux/setrlimit.c @@ -0,0 +1,72 @@ +/* Copyright (C) 1999 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <sys/param.h> +#include <sys/resource.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +#include "../kernel-features.h" + + +/* Linux 2.3.25 introduced a new system call since the types used for + the limits are now unsigned. */ +#if !defined __ASSUME_NEW_GETRLIMIT_SYSCALL && defined __NR_ugetrlimit +static int no_new_getrlimit; +#else +# define no_new_getrlimit 0 +#endif + +int +__setrlimit (resource, rlimits) + enum __rlimit_resource resource; + const struct rlimit *rlimits; +{ +#ifdef __NR_ugetrlimit + if (! no_new_getrlimit) + { + int result = INLINE_SYSCALL (setrlimit, 2, resource, rlimits); + +# ifndef __ASSUME_NEW_GETRLIMIT_SYSCALL + /* If the system call is available return. */ + if (result != -1 || errno != ENOSYS) +# endif + return result; + +# ifndef __ASSUME_NEW_GETRLIMIT_SYSCALL + /* Remember that the system call is not available. */ + no_new_getrlimit = 1; +# endif + } +#endif + +#ifndef __ASSUME_NEW_GETRLIMIT_SYSCALL + /* We might have to correct the limits values. Since the old values + were signed the new values are too large. */ + rlimits.rlim_cur = MIN ((unsigned long int) rlimits.rlim_cur, + RLIM_INFINITY >> 2); + rlimits.rlim_max = MIN ((unsigned long int) rlimits.rlim_max, + RLIM_INFINITY >> 2); + + /* Fall back on the old system call. */ + return INLINE_SYSCALL (setrlimit, 2, resource, rlimits); +#endif +} +weak_alias (__setrlimit, setrlimit) |