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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 18:56:13 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 18:57:13 +0000 |
commit | 82dd75a7f436a19047325d62182590c9f9e23a78 (patch) | |
tree | 60ca20c8cf2b0d178d84725c0715471f76df97e1 /sysdeps/unix/sysv/linux/alpha/getrlimit64.c | |
parent | 0bbb676a2342367c4e52b35e890f24667dabb348 (diff) | |
parent | 963c37d5c0eb62b38f8764b23931c0dcdd497a13 (diff) |
Merge commit 'refs/top-bases/t/tls' into t/tls
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/getrlimit64.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/alpha/getrlimit64.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/getrlimit64.c b/sysdeps/unix/sysv/linux/alpha/getrlimit64.c new file mode 100644 index 0000000000..5502586462 --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/getrlimit64.c @@ -0,0 +1,56 @@ +/* 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/getrlimit64.c> +versioned_symbol (libc, __getrlimit, getrlimit, GLIBC_2_27); +versioned_symbol (libc, __getrlimit64, getrlimit64, 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 after the syscall. */ +# define OLD_RLIM64_INFINITY 0x7fffffffffffffffULL + +int +attribute_compat_text_section +__old_getrlimit64 (enum __rlimit_resource resource, + struct rlimit64 *rlimits) +{ + struct rlimit64 krlimits; + + if (__getrlimit64 (resource, &krlimits) < 0) + return -1; + + if (krlimits.rlim_cur == RLIM64_INFINITY) + rlimits->rlim_cur = OLD_RLIM64_INFINITY; + else + rlimits->rlim_cur = krlimits.rlim_cur; + if (krlimits.rlim_max == RLIM64_INFINITY) + rlimits->rlim_max = OLD_RLIM64_INFINITY; + else + rlimits->rlim_max = krlimits.rlim_max; + + return 0; +} + +strong_alias (__old_getrlimit64, __old_getrlimit) +compat_symbol (libc, __old_getrlimit, getrlimit, GLIBC_2_0); +compat_symbol (libc, __old_getrlimit64, getrlimit64, GLIBC_2_1); +#endif |