diff options
| -rw-r--r-- | man/systemd-system.conf.xml | 6 | ||||
| -rw-r--r-- | man/systemd.exec.xml | 4 | ||||
| -rw-r--r-- | src/core/load-fragment-gperf.gperf.m4 | 16 | ||||
| -rw-r--r-- | src/core/load-fragment.c | 43 | ||||
| -rw-r--r-- | src/core/load-fragment.h | 1 | ||||
| -rw-r--r-- | src/core/main.c | 16 |
6 files changed, 67 insertions, 19 deletions
diff --git a/man/systemd-system.conf.xml b/man/systemd-system.conf.xml index 8dad0e0f59..54ce992b85 100644 --- a/man/systemd-system.conf.xml +++ b/man/systemd-system.conf.xml @@ -342,8 +342,10 @@ resource limits for units. See <citerefentry><refentrytitle>setrlimit</refentrytitle><manvolnum>2</manvolnum></citerefentry> for details. Use the string <varname>infinity</varname> to - configure no limit on a specific resource. These settings may - be overridden in individual units using the corresponding + configure no limit on a specific resource. The multiplicative suffixes + K (=1024), M (=1024*1024) and so on for G, T, P and E may be used for + resource limits measured in bytes (e.g. DefaultLimitAS=16G). These + settings may be overridden in individual units using the corresponding LimitXXX= directives. Note that these resource limits are only defaults for units, they are not applied to PID 1 itself.</para></listitem> diff --git a/man/systemd.exec.xml b/man/systemd.exec.xml index c0ecf92419..7462960000 100644 --- a/man/systemd.exec.xml +++ b/man/systemd.exec.xml @@ -568,7 +568,9 @@ of various resources for executed processes. See <citerefentry><refentrytitle>setrlimit</refentrytitle><manvolnum>2</manvolnum></citerefentry> for details. Use the string <varname>infinity</varname> to - configure no limit on a specific resource.</para></listitem> + configure no limit on a specific resource. The multiplicative suffixes + K (=1024), M (=1024*1024) and so on for G, T, P and E may be used for + resource limits measured in bytes (e.g. LimitAS=16G).</para></listitem> <table> <title>Limit directives and their equivalent with ulimit</title> diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4 index c3b48aec4c..5b7954dbf9 100644 --- a/src/core/load-fragment-gperf.gperf.m4 +++ b/src/core/load-fragment-gperf.gperf.m4 @@ -59,18 +59,18 @@ $1.SystemCallArchitectures, config_parse_warn_compat, DISABLED_CO $1.SystemCallErrorNumber, config_parse_warn_compat, DISABLED_CONFIGURATION, 0 $1.RestrictAddressFamilies, config_parse_warn_compat, DISABLED_CONFIGURATION, 0') $1.LimitCPU, config_parse_limit, RLIMIT_CPU, offsetof($1, exec_context.rlimit) -$1.LimitFSIZE, config_parse_limit, RLIMIT_FSIZE, offsetof($1, exec_context.rlimit) -$1.LimitDATA, config_parse_limit, RLIMIT_DATA, offsetof($1, exec_context.rlimit) -$1.LimitSTACK, config_parse_limit, RLIMIT_STACK, offsetof($1, exec_context.rlimit) -$1.LimitCORE, config_parse_limit, RLIMIT_CORE, offsetof($1, exec_context.rlimit) -$1.LimitRSS, config_parse_limit, RLIMIT_RSS, offsetof($1, exec_context.rlimit) +$1.LimitFSIZE, config_parse_bytes_limit, RLIMIT_FSIZE, offsetof($1, exec_context.rlimit) +$1.LimitDATA, config_parse_bytes_limit, RLIMIT_DATA, offsetof($1, exec_context.rlimit) +$1.LimitSTACK, config_parse_bytes_limit, RLIMIT_STACK, offsetof($1, exec_context.rlimit) +$1.LimitCORE, config_parse_bytes_limit, RLIMIT_CORE, offsetof($1, exec_context.rlimit) +$1.LimitRSS, config_parse_bytes_limit, RLIMIT_RSS, offsetof($1, exec_context.rlimit) $1.LimitNOFILE, config_parse_limit, RLIMIT_NOFILE, offsetof($1, exec_context.rlimit) -$1.LimitAS, config_parse_limit, RLIMIT_AS, offsetof($1, exec_context.rlimit) +$1.LimitAS, config_parse_bytes_limit, RLIMIT_AS, offsetof($1, exec_context.rlimit) $1.LimitNPROC, config_parse_limit, RLIMIT_NPROC, offsetof($1, exec_context.rlimit) -$1.LimitMEMLOCK, config_parse_limit, RLIMIT_MEMLOCK, offsetof($1, exec_context.rlimit) +$1.LimitMEMLOCK, config_parse_bytes_limit, RLIMIT_MEMLOCK, offsetof($1, exec_context.rlimit) $1.LimitLOCKS, config_parse_limit, RLIMIT_LOCKS, offsetof($1, exec_context.rlimit) $1.LimitSIGPENDING, config_parse_limit, RLIMIT_SIGPENDING, offsetof($1, exec_context.rlimit) -$1.LimitMSGQUEUE, config_parse_limit, RLIMIT_MSGQUEUE, offsetof($1, exec_context.rlimit) +$1.LimitMSGQUEUE, config_parse_bytes_limit, RLIMIT_MSGQUEUE, offsetof($1, exec_context.rlimit) $1.LimitNICE, config_parse_limit, RLIMIT_NICE, offsetof($1, exec_context.rlimit) $1.LimitRTPRIO, config_parse_limit, RLIMIT_RTPRIO, offsetof($1, exec_context.rlimit) $1.LimitRTTIME, config_parse_limit, RLIMIT_RTTIME, offsetof($1, exec_context.rlimit) diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index 631c49fa65..7f12f26b08 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -1082,6 +1082,49 @@ int config_parse_limit(const char *unit, return 0; } +int config_parse_bytes_limit(const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + struct rlimit **rl = data; + uint64_t bytes; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + rl += ltype; + + if (streq(rvalue, "infinity")) + bytes = (uint64_t) RLIM_INFINITY; + else { + int r; + + r = parse_size(rvalue, 1024, &bytes); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse resource value, ignoring: %s", rvalue); + return 0; + } + } + + if (!*rl) { + *rl = new(struct rlimit, 1); + if (!*rl) + return log_oom(); + } + + (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) bytes; + return 0; +} + #ifdef HAVE_SYSV_COMPAT int config_parse_sysv_priority(const char *unit, const char *filename, diff --git a/src/core/load-fragment.h b/src/core/load-fragment.h index 8661cbfedc..029775bb46 100644 --- a/src/core/load-fragment.h +++ b/src/core/load-fragment.h @@ -56,6 +56,7 @@ int config_parse_exec_capabilities(const char *unit, const char *filename, unsig int config_parse_exec_secure_bits(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_bounding_set(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_limit(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); +int config_parse_bytes_limit(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_sysv_priority(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_kill_signal(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_exec_mount_flags(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); diff --git a/src/core/main.c b/src/core/main.c index 696372e37c..950315e857 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -658,18 +658,18 @@ static int parse_config_file(void) { { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst }, { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment }, { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU] }, - { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] }, - { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA] }, - { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK] }, - { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE] }, - { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS] }, + { "Manager", "DefaultLimitFSIZE", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] }, + { "Manager", "DefaultLimitDATA", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_DATA] }, + { "Manager", "DefaultLimitSTACK", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_STACK] }, + { "Manager", "DefaultLimitCORE", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_CORE] }, + { "Manager", "DefaultLimitRSS", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_RSS] }, { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] }, - { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS] }, + { "Manager", "DefaultLimitAS", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_AS] }, { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] }, - { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] }, + { "Manager", "DefaultLimitMEMLOCK", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] }, { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] }, { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] }, - { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] }, + { "Manager", "DefaultLimitMSGQUEUE", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] }, { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] }, { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] }, { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] }, |