diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/setrlimit64.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/alpha/setrlimit64.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/setrlimit64.c b/sysdeps/unix/sysv/linux/alpha/setrlimit64.c new file mode 100644 index 0000000000..871c878b7e --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/setrlimit64.c @@ -0,0 +1,53 @@ +/* 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/>. */ + +#define USE_VERSIONED_RLIMIT +#include <sysdeps/unix/sysv/linux/setrlimit64.c> +versioned_symbol (libc, __setrlimit, setrlimit, GLIBC_2_27); +versioned_symbol (libc, __setrlimit64, setrlimit64, GLIBC_2_27); + +#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_27) +/* RLIM64_INFINITY was supposed to be a glibc convention rather than + anything seen by the kernel, but it ended being passed to the kernel + through the prlimit64 syscall. Given that a lot of binaries with + the wrong constant value are in the wild, provide a wrapper function + fixing the value before the syscall. */ +# define OLD_RLIM64_INFINITY 0x7fffffffffffffffULL + +int +attribute_compat_text_section +__old_setrlimit64 (enum __rlimit_resource resource, + const struct rlimit64 *rlimits) +{ + struct rlimit64 krlimits; + + if (rlimits->rlim_cur == OLD_RLIM64_INFINITY) + krlimits.rlim_cur = RLIM64_INFINITY; + else + krlimits.rlim_cur = rlimits->rlim_cur; + if (rlimits->rlim_max == OLD_RLIM64_INFINITY) + krlimits.rlim_max = RLIM64_INFINITY; + else + krlimits.rlim_max = rlimits->rlim_max; + + return __setrlimit64 (resource, &krlimits); +} + +strong_alias (__old_setrlimit64, __old_setrlimit) +compat_symbol (libc, __old_setrlimit, setrlimit, GLIBC_2_0); +compat_symbol (libc, __old_setrlimit64, setrlimit64, GLIBC_2_1); +#endif |