/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2010 Lennart Poettering systemd 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. systemd 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 systemd; If not, see . ***/ #include #include #include "macro.h" #include "missing.h" #include "rlimit-util.h" #include "string-table.h" int setrlimit_closest(int resource, const struct rlimit *rlim) { struct rlimit highest, fixed; assert(rlim); if (setrlimit(resource, rlim) >= 0) return 0; if (errno != EPERM) return -errno; /* So we failed to set the desired setrlimit, then let's try * to get as close as we can */ assert_se(getrlimit(resource, &highest) == 0); fixed.rlim_cur = MIN(rlim->rlim_cur, highest.rlim_max); fixed.rlim_max = MIN(rlim->rlim_max, highest.rlim_max); if (setrlimit(resource, &fixed) < 0) return -errno; return 0; } static const char* const rlimit_table[_RLIMIT_MAX] = { [RLIMIT_CPU] = "LimitCPU", [RLIMIT_FSIZE] = "LimitFSIZE", [RLIMIT_DATA] = "LimitDATA", [RLIMIT_STACK] = "LimitSTACK", [RLIMIT_CORE] = "LimitCORE", [RLIMIT_RSS] = "LimitRSS", [RLIMIT_NOFILE] = "LimitNOFILE", [RLIMIT_AS] = "LimitAS", [RLIMIT_NPROC] = "LimitNPROC", [RLIMIT_MEMLOCK] = "LimitMEMLOCK", [RLIMIT_LOCKS] = "LimitLOCKS", [RLIMIT_SIGPENDING] = "LimitSIGPENDING", [RLIMIT_MSGQUEUE] = "LimitMSGQUEUE", [RLIMIT_NICE] = "LimitNICE", [RLIMIT_RTPRIO] = "LimitRTPRIO", [RLIMIT_RTTIME] = "LimitRTTIME" }; DEFINE_STRING_TABLE_LOOKUP(rlimit, int);