diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/prlimit.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/prlimit.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/sysdeps/unix/sysv/linux/prlimit.c b/sysdeps/unix/sysv/linux/prlimit.c deleted file mode 100644 index d31980f10c..0000000000 --- a/sysdeps/unix/sysv/linux/prlimit.c +++ /dev/null @@ -1,74 +0,0 @@ -/* Copyright (C) 2010-2017 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/>. */ - -#include <errno.h> -#include <sys/resource.h> -#include <sys/syscall.h> - - -int -prlimit (__pid_t pid, enum __rlimit_resource resource, - const struct rlimit *new_rlimit, struct rlimit *old_rlimit) -{ - struct rlimit64 new_rlimit64_mem; - struct rlimit64 *new_rlimit64 = NULL; - struct rlimit64 old_rlimit64_mem; - struct rlimit64 *old_rlimit64 = (old_rlimit != NULL - ? &old_rlimit64_mem : NULL); - - if (new_rlimit != NULL) - { - if (new_rlimit->rlim_cur == RLIM_INFINITY) - new_rlimit64_mem.rlim_cur = RLIM64_INFINITY; - else - new_rlimit64_mem.rlim_cur = new_rlimit->rlim_cur; - if (new_rlimit->rlim_max == RLIM_INFINITY) - new_rlimit64_mem.rlim_max = RLIM64_INFINITY; - else - new_rlimit64_mem.rlim_max = new_rlimit->rlim_max; - new_rlimit64 = &new_rlimit64_mem; - } - - int res = INLINE_SYSCALL (prlimit64, 4, pid, resource, new_rlimit64, - old_rlimit64); - - if (res == 0 && old_rlimit != NULL) - { - /* The prlimit64 syscall is ill-designed for 32-bit machines. - We have to provide a 32-bit variant since otherwise the LFS - system would not work. But what shall we do if the syscall - succeeds but the old values do not fit into a rlimit - structure? We cannot return an error because the operation - itself worked. Best is perhaps to return RLIM_INFINITY. */ - old_rlimit->rlim_cur = old_rlimit64_mem.rlim_cur; - if (old_rlimit->rlim_cur != old_rlimit64_mem.rlim_cur) - { - if (new_rlimit == NULL) - return INLINE_SYSCALL_ERROR_RETURN_VALUE (EOVERFLOW); - old_rlimit->rlim_cur = RLIM_INFINITY; - } - old_rlimit->rlim_max = old_rlimit64_mem.rlim_max; - if (old_rlimit->rlim_max != old_rlimit64_mem.rlim_max) - { - if (new_rlimit == NULL) - return INLINE_SYSCALL_ERROR_RETURN_VALUE (EOVERFLOW); - old_rlimit->rlim_max = RLIM_INFINITY; - } - } - - return res; -} |