diff options
| -rw-r--r-- | Makefile-man.am | 5 | ||||
| -rw-r--r-- | man/sd_event_wait.xml | 22 | ||||
| -rw-r--r-- | src/libsystemd/libsystemd.sym | 5 | ||||
| -rw-r--r-- | src/libsystemd/sd-event/sd-event.c | 14 | ||||
| -rw-r--r-- | src/systemd/sd-event.h | 1 |
5 files changed, 38 insertions, 9 deletions
diff --git a/Makefile-man.am b/Makefile-man.am index cd7583bed7..8ab733360d 100644 --- a/Makefile-man.am +++ b/Makefile-man.am @@ -338,6 +338,7 @@ MANPAGES_ALIAS += \ man/sd_event_default.3 \ man/sd_event_dispatch.3 \ man/sd_event_get_exit_code.3 \ + man/sd_event_get_iteration.3 \ man/sd_event_get_state.3 \ man/sd_event_get_tid.3 \ man/sd_event_get_watchdog.3 \ @@ -669,6 +670,7 @@ man/sd_event_child_handler_t.3: man/sd_event_add_child.3 man/sd_event_default.3: man/sd_event_new.3 man/sd_event_dispatch.3: man/sd_event_wait.3 man/sd_event_get_exit_code.3: man/sd_event_exit.3 +man/sd_event_get_iteration.3: man/sd_event_wait.3 man/sd_event_get_state.3: man/sd_event_wait.3 man/sd_event_get_tid.3: man/sd_event_new.3 man/sd_event_get_watchdog.3: man/sd_event_set_watchdog.3 @@ -1318,6 +1320,9 @@ man/sd_event_dispatch.html: man/sd_event_wait.html man/sd_event_get_exit_code.html: man/sd_event_exit.html $(html-alias) +man/sd_event_get_iteration.html: man/sd_event_wait.html + $(html-alias) + man/sd_event_get_state.html: man/sd_event_wait.html $(html-alias) diff --git a/man/sd_event_wait.xml b/man/sd_event_wait.xml index f2aea00e98..26327dc688 100644 --- a/man/sd_event_wait.xml +++ b/man/sd_event_wait.xml @@ -47,6 +47,7 @@ <refname>sd_event_prepare</refname> <refname>sd_event_dispatch</refname> <refname>sd_event_get_state</refname> + <refname>sd_event_get_iteration</refname> <refname>SD_EVENT_INITIAL</refname> <refname>SD_EVENT_PREPARING</refname> <refname>SD_EVENT_ARMED</refname> @@ -93,6 +94,12 @@ <paramdef>sd_event *<parameter>event</parameter></paramdef> </funcprototype> + <funcprototype> + <funcdef>int <function>sd_event_get_iteration</function></funcdef> + <paramdef>sd_event *<parameter>event</parameter></paramdef> + <paramdef>uint64_t *<parameter>ret</parameter></paramdef> + </funcprototype> + </funcsynopsis> </refsynopsisdiv> @@ -140,12 +147,15 @@ determine the state the event loop is currently in. It returns one of the states described below.</para> - <para>All four functions take, as the first argument, the event - loop object <parameter>event</parameter> that has been created - with <function>sd_event_new()</function>. The timeout for - <function>sd_event_wait()</function> is specified in - <parameter>usec</parameter> in milliseconds. <constant>(uint64_t) - -1</constant> may be used to specify an infinite timeout.</para> + <para><function>sd_event_get_iteration()</function> may be used to determine the current iteration of the event + loop. It returns an unsigned 64bit integer containing a counter that increases monotonically with each iteration of + the event loop, starting with 0. The counter is increased at the time of the + <function>sd_event_prepare()</function> invocation.</para> + + <para>All five functions take, as the first argument, the event loop object <parameter>event</parameter> that has + been created with <function>sd_event_new()</function>. The timeout for <function>sd_event_wait()</function> is + specified in <parameter>usec</parameter> in microseconds. <constant>(uint64_t) -1</constant> may be used to + specify an infinite timeout.</para> </refsect1> <refsect1> diff --git a/src/libsystemd/libsystemd.sym b/src/libsystemd/libsystemd.sym index 0b3a1708dc..542254295c 100644 --- a/src/libsystemd/libsystemd.sym +++ b/src/libsystemd/libsystemd.sym @@ -495,3 +495,8 @@ global: sd_journal_open_directory_fd; sd_journal_open_files_fd; } LIBSYSTEMD_229; + +LIBSYSTEMD_231 { +global: + sd_event_get_iteration; +} LIBSYSTEMD_230; diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c index f364b54b50..9857f8b1fc 100644 --- a/src/libsystemd/sd-event/sd-event.c +++ b/src/libsystemd/sd-event/sd-event.c @@ -109,8 +109,8 @@ struct sd_event_source { int64_t priority; unsigned pending_index; unsigned prepare_index; - unsigned pending_iteration; - unsigned prepare_iteration; + uint64_t pending_iteration; + uint64_t prepare_iteration; LIST_FIELDS(sd_event_source, sources); @@ -215,7 +215,7 @@ struct sd_event { pid_t original_pid; - unsigned iteration; + uint64_t iteration; triple_timestamp timestamp; int state; @@ -2874,3 +2874,11 @@ _public_ int sd_event_get_watchdog(sd_event *e) { return e->watchdog; } + +_public_ int sd_event_get_iteration(sd_event *e, uint64_t *ret) { + assert_return(e, -EINVAL); + assert_return(!event_pid_changed(e), -ECHILD); + + *ret = e->iteration; + return 0; +} diff --git a/src/systemd/sd-event.h b/src/systemd/sd-event.h index 531ace1c34..cc26b7df55 100644 --- a/src/systemd/sd-event.h +++ b/src/systemd/sd-event.h @@ -104,6 +104,7 @@ int sd_event_get_tid(sd_event *e, pid_t *tid); int sd_event_get_exit_code(sd_event *e, int *code); int sd_event_set_watchdog(sd_event *e, int b); int sd_event_get_watchdog(sd_event *e); +int sd_event_get_iteration(sd_event *e, uint64_t *ret); sd_event_source* sd_event_source_ref(sd_event_source *s); sd_event_source* sd_event_source_unref(sd_event_source *s); |