X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fdbus-execute.c;h=cdc15b25cef15f9902654ac910d8c25d70aa6301;hp=8840396bc14f7d68d8b25edcc474c20b5e67d747;hb=dd6c17b1595ff8a78ebae6cf571fd222c80bfd17;hpb=e99e38bbdcca3fe5956823bdb3d38544ccf93221 diff --git a/src/dbus-execute.c b/src/dbus-execute.c index 8840396bc..cdc15b25c 100644 --- a/src/dbus-execute.c +++ b/src/dbus-execute.c @@ -1,4 +1,4 @@ -/*-*- Mode: C; c-basic-offset: 8 -*-*/ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. @@ -21,8 +21,292 @@ #include #include +#include #include "dbus-execute.h" +#include "missing.h" +#include "ioprio.h" +#include "strv.h" + +DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_execute_append_kill_mode, kill_mode, KillMode); DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_execute_append_input, exec_input, ExecInput); DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_execute_append_output, exec_output, ExecOutput); + +int bus_execute_append_oom_score_adjust(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecContext *c = data; + int32_t n; + + assert(m); + assert(i); + assert(property); + assert(c); + + if (c->oom_score_adjust_set) + n = c->oom_score_adjust; + else { + char *t; + + n = 0; + if (read_one_line_file("/proc/self/oom_score_adj", &t) >= 0) { + safe_atoi(t, &n); + free(t); + } else if (read_one_line_file("/proc/self/oom_adj", &t) >= 0) { + safe_atoi(t, &n); + free(t); + + if (n == OOM_ADJUST_MAX) + n = OOM_SCORE_ADJ_MAX; + else + n = (n * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE; + } + } + + if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n)) + return -ENOMEM; + + return 0; +} + +int bus_execute_append_nice(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecContext *c = data; + int32_t n; + + assert(m); + assert(i); + assert(property); + assert(c); + + if (c->nice_set) + n = c->nice; + else + n = getpriority(PRIO_PROCESS, 0); + + if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n)) + return -ENOMEM; + + return 0; +} + +int bus_execute_append_ioprio(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecContext *c = data; + int32_t n; + + assert(m); + assert(i); + assert(property); + assert(c); + + if (c->ioprio_set) + n = c->ioprio; + else + n = ioprio_get(IOPRIO_WHO_PROCESS, 0); + + if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n)) + return -ENOMEM; + + return 0; +} + +int bus_execute_append_cpu_sched_policy(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecContext *c = data; + int32_t n; + + assert(m); + assert(i); + assert(property); + assert(c); + + if (c->cpu_sched_set) + n = c->cpu_sched_policy; + else + n = sched_getscheduler(0); + + if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n)) + return -ENOMEM; + + return 0; +} + +int bus_execute_append_cpu_sched_priority(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecContext *c = data; + int32_t n; + + assert(m); + assert(i); + assert(property); + assert(c); + + if (c->cpu_sched_set) + n = c->cpu_sched_priority; + else { + struct sched_param p; + n = 0; + + zero(p); + if (sched_getparam(0, &p) >= 0) + n = p.sched_priority; + } + + if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n)) + return -ENOMEM; + + return 0; +} + +int bus_execute_append_affinity(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecContext *c = data; + dbus_bool_t b; + DBusMessageIter sub; + + assert(m); + assert(i); + assert(property); + assert(c); + + if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "y", &sub)) + return -ENOMEM; + + if (c->cpuset) + b = dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus)); + else + b = dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &c->cpuset, 0); + + if (!b) + return -ENOMEM; + + if (!dbus_message_iter_close_container(i, &sub)) + return -ENOMEM; + + return 0; +} + +int bus_execute_append_timer_slack_nsec(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecContext *c = data; + uint64_t u; + + assert(m); + assert(i); + assert(property); + assert(c); + + if (c->timer_slack_nsec_set) + u = (uint64_t) c->timer_slack_nsec; + else + u = (uint64_t) prctl(PR_GET_TIMERSLACK); + + if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u)) + return -ENOMEM; + + return 0; +} + +int bus_execute_append_capabilities(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecContext *c = data; + char *t = NULL; + const char *s; + dbus_bool_t b; + + assert(m); + assert(i); + assert(property); + assert(c); + + if (c->capabilities) + s = t = cap_to_text(c->capabilities, NULL); + else + s = ""; + + if (!s) + return -ENOMEM; + + b = dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &s); + + if (t) + cap_free(t); + + if (!b) + return -ENOMEM; + + return 0; +} + +int bus_execute_append_rlimits(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecContext *c = data; + int r; + uint64_t u; + + assert(m); + assert(i); + assert(property); + assert(c); + + assert_se((r = rlimit_from_string(property)) >= 0); + + if (c->rlimit[r]) + u = (uint64_t) c->rlimit[r]->rlim_max; + else { + struct rlimit rl; + + zero(rl); + getrlimit(r, &rl); + + u = (uint64_t) rl.rlim_max; + } + + if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u)) + return -ENOMEM; + + return 0; +} + +int bus_execute_append_command(Manager *m, DBusMessageIter *i, const char *property, void *data) { + ExecCommand *c = data; + DBusMessageIter sub, sub2, sub3; + + assert(m); + assert(i); + assert(property); + + if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(sasbttuii)", &sub)) + return -ENOMEM; + + LIST_FOREACH(command, c, c) { + char **l; + uint32_t pid; + int32_t code, status; + + if (!c->path) + continue; + + if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || + !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &c->path) || + !dbus_message_iter_open_container(&sub2, DBUS_TYPE_ARRAY, "s", &sub3)) + return -ENOMEM; + + STRV_FOREACH(l, c->argv) + if (!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, l)) + return -ENOMEM; + + pid = (uint32_t) c->exec_status.pid; + code = (int32_t) c->exec_status.code; + status = (int32_t) c->exec_status.status; + + if (!dbus_message_iter_close_container(&sub2, &sub3) || + !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_BOOLEAN, &c->ignore) || + !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &c->exec_status.start_timestamp.realtime) || + !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &c->exec_status.exit_timestamp.realtime) || + !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid) || + !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_INT32, &code) || + !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_INT32, &status)) + return -ENOMEM; + + if (!dbus_message_iter_close_container(&sub, &sub2)) + return -ENOMEM; + } + + if (!dbus_message_iter_close_container(i, &sub)) + return -ENOMEM; + + return 0; +}