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util-lib: split out resource limits related calls into rlimit-util.[ch]
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@ -791,6 +791,8 @@ libbasic_la_SOURCES = \
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src/basic/parse-util.h \
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src/basic/user-util.c \
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src/basic/user-util.h \
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src/basic/rlimit-util.c \
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src/basic/rlimit-util.h \
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src/basic/mount-util.c \
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src/basic/mount-util.h \
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src/basic/hexdecoct.c \
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69
src/basic/rlimit-util.c
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69
src/basic/rlimit-util.c
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@ -0,0 +1,69 @@
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "missing.h"
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#include "rlimit-util.h"
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#include "util.h"
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int setrlimit_closest(int resource, const struct rlimit *rlim) {
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struct rlimit highest, fixed;
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assert(rlim);
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if (setrlimit(resource, rlim) >= 0)
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return 0;
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if (errno != EPERM)
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return -errno;
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/* So we failed to set the desired setrlimit, then let's try
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* to get as close as we can */
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assert_se(getrlimit(resource, &highest) == 0);
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fixed.rlim_cur = MIN(rlim->rlim_cur, highest.rlim_max);
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fixed.rlim_max = MIN(rlim->rlim_max, highest.rlim_max);
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if (setrlimit(resource, &fixed) < 0)
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return -errno;
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return 0;
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}
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static const char* const rlimit_table[_RLIMIT_MAX] = {
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[RLIMIT_CPU] = "LimitCPU",
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[RLIMIT_FSIZE] = "LimitFSIZE",
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[RLIMIT_DATA] = "LimitDATA",
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[RLIMIT_STACK] = "LimitSTACK",
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[RLIMIT_CORE] = "LimitCORE",
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[RLIMIT_RSS] = "LimitRSS",
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[RLIMIT_NOFILE] = "LimitNOFILE",
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[RLIMIT_AS] = "LimitAS",
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[RLIMIT_NPROC] = "LimitNPROC",
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[RLIMIT_MEMLOCK] = "LimitMEMLOCK",
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[RLIMIT_LOCKS] = "LimitLOCKS",
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[RLIMIT_SIGPENDING] = "LimitSIGPENDING",
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[RLIMIT_MSGQUEUE] = "LimitMSGQUEUE",
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[RLIMIT_NICE] = "LimitNICE",
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[RLIMIT_RTPRIO] = "LimitRTPRIO",
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[RLIMIT_RTTIME] = "LimitRTTIME"
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};
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DEFINE_STRING_TABLE_LOOKUP(rlimit, int);
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33
src/basic/rlimit-util.h
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33
src/basic/rlimit-util.h
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@ -0,0 +1,33 @@
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/resource.h>
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#include "macro.h"
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const char *rlimit_to_string(int i) _const_;
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int rlimit_from_string(const char *s) _pure_;
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int setrlimit_closest(int resource, const struct rlimit *rlim);
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#define RLIMIT_MAKE_CONST(lim) ((struct rlimit) { lim, lim })
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@ -46,7 +46,6 @@
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#include <sys/mount.h>
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#include <sys/personality.h>
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#include <sys/prctl.h>
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#include <sys/resource.h>
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#include <sys/stat.h>
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#include <sys/statvfs.h>
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#include <sys/time.h>
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@ -1173,27 +1172,6 @@ static const char* const sched_policy_table[] = {
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DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(sched_policy, int, INT_MAX);
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static const char* const rlimit_table[_RLIMIT_MAX] = {
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[RLIMIT_CPU] = "LimitCPU",
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[RLIMIT_FSIZE] = "LimitFSIZE",
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[RLIMIT_DATA] = "LimitDATA",
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[RLIMIT_STACK] = "LimitSTACK",
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[RLIMIT_CORE] = "LimitCORE",
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[RLIMIT_RSS] = "LimitRSS",
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[RLIMIT_NOFILE] = "LimitNOFILE",
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[RLIMIT_AS] = "LimitAS",
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[RLIMIT_NPROC] = "LimitNPROC",
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[RLIMIT_MEMLOCK] = "LimitMEMLOCK",
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[RLIMIT_LOCKS] = "LimitLOCKS",
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[RLIMIT_SIGPENDING] = "LimitSIGPENDING",
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[RLIMIT_MSGQUEUE] = "LimitMSGQUEUE",
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[RLIMIT_NICE] = "LimitNICE",
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[RLIMIT_RTPRIO] = "LimitRTPRIO",
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[RLIMIT_RTTIME] = "LimitRTTIME"
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};
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DEFINE_STRING_TABLE_LOOKUP(rlimit, int);
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bool kexec_loaded(void) {
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bool loaded = false;
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char *s;
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@ -1339,30 +1317,6 @@ int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *pa
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_exit(EXIT_FAILURE);
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}
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int setrlimit_closest(int resource, const struct rlimit *rlim) {
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struct rlimit highest, fixed;
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assert(rlim);
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if (setrlimit(resource, rlim) >= 0)
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return 0;
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if (errno != EPERM)
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return -errno;
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/* So we failed to set the desired setrlimit, then let's try
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* to get as close as we can */
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assert_se(getrlimit(resource, &highest) == 0);
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fixed.rlim_cur = MIN(rlim->rlim_cur, highest.rlim_max);
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fixed.rlim_max = MIN(rlim->rlim_max, highest.rlim_max);
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if (setrlimit(resource, &fixed) < 0)
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return -errno;
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return 0;
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}
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bool http_etag_is_valid(const char *etag) {
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if (isempty(etag))
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return false;
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@ -247,9 +247,6 @@ bool log_level_is_valid(int level);
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int sched_policy_to_string_alloc(int i, char **s);
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int sched_policy_from_string(const char *s);
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const char *rlimit_to_string(int i) _const_;
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int rlimit_from_string(const char *s) _pure_;
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extern int saved_argc;
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extern char **saved_argv;
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@ -261,8 +258,6 @@ void* memdup(const void *p, size_t l) _alloc_(2);
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int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *path, ...);
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int setrlimit_closest(int resource, const struct rlimit *rlim);
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bool http_url_is_valid(const char *url) _pure_;
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bool documentation_url_is_valid(const char *url) _pure_;
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@ -550,8 +545,6 @@ int chattr_path(const char *p, unsigned value, unsigned mask);
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int read_attr_fd(int fd, unsigned *ret);
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int read_attr_path(const char *p, unsigned *ret);
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#define RLIMIT_MAKE_CONST(lim) ((struct rlimit) { lim, lim })
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int syslog_parse_priority(const char **p, int *priority, bool with_facility);
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int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
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@ -38,6 +38,7 @@
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#include "namespace.h"
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#include "parse-util.h"
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#include "path-util.h"
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#include "rlimit-util.h"
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#ifdef HAVE_SECCOMP
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#include "seccomp-util.h"
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#endif
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@ -79,6 +79,7 @@
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#include "parse-util.h"
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#include "path-util.h"
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#include "process-util.h"
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#include "rlimit-util.h"
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#include "rm-rf.h"
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#ifdef HAVE_SECCOMP
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#include "seccomp-util.h"
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@ -69,6 +69,7 @@
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#include "pager.h"
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#include "parse-util.h"
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#include "process-util.h"
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#include "rlimit-util.h"
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#include "selinux-setup.h"
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#include "selinux-util.h"
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#include "signal-util.h"
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@ -58,6 +58,7 @@
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#include "pager.h"
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#include "parse-util.h"
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#include "path-util.h"
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#include "rlimit-util.h"
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#include "set.h"
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#include "sigbus.h"
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#include "strv.h"
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@ -39,6 +39,7 @@
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#include "missing.h"
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#include "parse-util.h"
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#include "path-util.h"
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#include "rlimit-util.h"
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#include "set.h"
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#include "signal-util.h"
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#include "string-util.h"
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@ -65,6 +65,7 @@
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#include "path-lookup.h"
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#include "path-util.h"
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#include "process-util.h"
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#include "rlimit-util.h"
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#include "set.h"
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#include "signal-util.h"
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#include "socket-util.h"
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@ -17,7 +17,10 @@
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "architecture.h"
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#include "automount.h"
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#include "bus-xml-policy.h"
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#include "busname.h"
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#include "cgroup.h"
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#include "compress.h"
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#include "condition.h"
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@ -25,7 +28,10 @@
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#include "execute.h"
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#include "install.h"
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#include "job.h"
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#include "journald-server.h"
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#include "kill.h"
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#include "link-config.h"
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#include "locale-util.h"
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#include "log.h"
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#include "logs-show.h"
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#include "mount.h"
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@ -42,12 +48,7 @@
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#include "unit-name.h"
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#include "unit.h"
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#include "util.h"
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#include "architecture.h"
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#include "link-config.h"
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#include "bus-xml-policy.h"
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#include "busname.h"
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#include "journald-server.h"
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#include "locale-util.h"
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#include "rlimit-util.h"
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#include "test-tables.h"
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