1 files changed, 36 insertions, 12 deletions

diff --git a/sysdeps/unix/sysv/linux/setrlimit64.c b/sysdeps/unix/sysv/linux/setrlimit64.c
index 5f444d2ae7..8d2f7c6e53 100644
--- a/sysdeps/unix/sysv/linux/setrlimit64.c
+++ b/sysdeps/unix/sysv/linux/setrlimit64.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 2010-2016 Free Software Foundation, Inc.
+/* Linux setrlimit64 implementation (64 bits off_t).
+   Copyright (C) 2010-2016 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
@@ -16,25 +17,37 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <errno.h>
-#include <sys/resource.h>
 #include <sys/types.h>
-#include <sysdep.h>
-#include <kernel-features.h>
+#include <shlib-compat.h>
+
+/* Add this redirection so the strong_alias for __RLIM_T_MATCHES_RLIM64_T
+   linking setlimit64 to {__}setrlimit does not throw a type error.  */
+#undef settrlimit
+#undef __sttrlimit
+#define setrlimit setrlimit_redirect
+#define __setrlimit __setrlimit_redirect
+#include <sys/resource.h>
+#undef setrlimit
+#undef __setrlimit
 
 /* Set the soft and hard limits for RESOURCE to *RLIMITS.
    Only the super-user can increase hard limits.
    Return 0 if successful, -1 if not (and sets errno).  */
 int
-setrlimit64 (enum __rlimit_resource resource, const struct rlimit64 *rlimits)
+__setrlimit64 (enum __rlimit_resource resource, const struct rlimit64 *rlimits)
 {
-#ifdef __ASSUME_PRLIMIT64
-  return INLINE_SYSCALL (prlimit64, 4, 0, resource, rlimits, NULL);
-#else
-# ifdef __NR_prlimit64
-  int res = INLINE_SYSCALL (prlimit64, 4, 0, resource, rlimits, NULL);
+  int res;
+
+#ifdef __NR_prlimit64
+  res = INLINE_SYSCALL_CALL (prlimit64, 0, resource, rlimits, NULL);
   if (res == 0 || errno != ENOSYS)
     return res;
-# endif
+#endif
+
+/* The fallback code only makes sense if the platform supports
+   __NR_setrlimit.  */
+#ifdef __NR_setrlimit
+# if !__RLIM_T_MATCHES_RLIM64_T
   struct rlimit rlimits32;
 
   if (rlimits->rlim_cur >= RLIM_INFINITY)
@@ -45,7 +58,18 @@ setrlimit64 (enum __rlimit_resource resource, const struct rlimit64 *rlimits)
     rlimits32.rlim_max = RLIM_INFINITY;
   else
     rlimits32.rlim_max = rlimits->rlim_max;
+# else
+#  define rlimits32 (*rlimits)
+# endif
 
-  return __setrlimit (resource, &rlimits32);
+  res = INLINE_SYSCALL_CALL (setrlimit, resource, &rlimits32);
 #endif
+
+  return res;
 }
+weak_alias (__setrlimit64, setrlimit64)
+
+#if __RLIM_T_MATCHES_RLIM64_T
+strong_alias (__setrlimit64, __setrlimit)
+weak_alias (__setrlimit64, setrlimit)
+#endif