summaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/alpha/setrlimit64.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/setrlimit64.c')
-rw-r--r--sysdeps/unix/sysv/linux/alpha/setrlimit64.c53
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