Merge pull request #11827 from keszybz/pkgconfig-variables

[thirdparty/systemd.git] / src / systemd / sd-event.h

diff --git a/src/systemd/sd-event.h b/src/systemd/sd-event.h
index 59cea09e59689b42982fd7d9c21298ef8e2e1abb..7bb8609376c43e6f42d6b1c1bcb2050ac0ff4a26 100644 (file)
--- a/src/systemd/sd-event.h
+++ b/src/systemd/sd-event.h
@@ -1,13 +1,8 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #ifndef foosdeventhfoo
 #define foosdeventhfoo
 
 /***
-  This file is part of systemd.
-
-  Copyright 2013 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
@@ -25,8 +20,10 @@
 #include <inttypes.h>
 #include <signal.h>
 #include <sys/epoll.h>
+#include <sys/inotify.h>
 #include <sys/signalfd.h>
 #include <sys/types.h>
+#include <time.h>
 
 #include "_sd-common.h"
 
@@ -36,11 +33,14 @@
   - Supports event source prioritization
   - Scales better with a large number of time events because it does not require one timerfd each
   - Automatically tries to coalesce timer events system-wide
-  - Handles signals and child PIDs
+  - Handles signals, child PIDs, inotify events
+  - Supports systemd-style automatic watchdog event generation
 */
 
 _SD_BEGIN_DECLARATIONS;
 
+#define SD_EVENT_DEFAULT ((sd_event *) 1)
+
 typedef struct sd_event sd_event;
 typedef struct sd_event_source sd_event_source;
 
@@ -57,7 +57,7 @@ enum {
         SD_EVENT_RUNNING,
         SD_EVENT_EXITING,
         SD_EVENT_FINISHED,
-        SD_EVENT_PREPARING,
+        SD_EVENT_PREPARING
 };
 
 enum {
@@ -71,7 +71,13 @@ typedef int (*sd_event_handler_t)(sd_event_source *s, void *userdata);
 typedef int (*sd_event_io_handler_t)(sd_event_source *s, int fd, uint32_t revents, void *userdata);
 typedef int (*sd_event_time_handler_t)(sd_event_source *s, uint64_t usec, void *userdata);
 typedef int (*sd_event_signal_handler_t)(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata);
+#if defined _GNU_SOURCE || (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 199309L)
 typedef int (*sd_event_child_handler_t)(sd_event_source *s, const siginfo_t *si, void *userdata);
+#else
+typedef void* sd_event_child_handler_t;
+#endif
+typedef int (*sd_event_inotify_handler_t)(sd_event_source *s, const struct inotify_event *event, void *userdata);
+typedef _sd_destroy_t sd_event_destroy_t;
 
 int sd_event_default(sd_event **e);
 
@@ -83,6 +89,7 @@ int sd_event_add_io(sd_event *e, sd_event_source **s, int fd, uint32_t events, s
 int sd_event_add_time(sd_event *e, sd_event_source **s, clockid_t clock, uint64_t usec, uint64_t accuracy, sd_event_time_handler_t callback, void *userdata);
 int sd_event_add_signal(sd_event *e, sd_event_source **s, int sig, sd_event_signal_handler_t callback, void *userdata);
 int sd_event_add_child(sd_event *e, sd_event_source **s, pid_t pid, int options, sd_event_child_handler_t callback, void *userdata);
+int sd_event_add_inotify(sd_event *e, sd_event_source **s, const char *path, uint32_t mask, sd_event_inotify_handler_t callback, void *userdata);
 int sd_event_add_defer(sd_event *e, sd_event_source **s, sd_event_handler_t callback, void *userdata);
 int sd_event_add_post(sd_event *e, sd_event_source **s, sd_event_handler_t callback, void *userdata);
 int sd_event_add_exit(sd_event *e, sd_event_source **s, sd_event_handler_t callback, void *userdata);
@@ -102,6 +109,7 @@ 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);
@@ -120,6 +128,8 @@ int sd_event_source_get_enabled(sd_event_source *s, int *enabled);
 int sd_event_source_set_enabled(sd_event_source *s, int enabled);
 int sd_event_source_get_io_fd(sd_event_source *s);
 int sd_event_source_set_io_fd(sd_event_source *s, int fd);
+int sd_event_source_get_io_fd_own(sd_event_source *s);
+int sd_event_source_set_io_fd_own(sd_event_source *s, int own);
 int sd_event_source_get_io_events(sd_event_source *s, uint32_t* events);
 int sd_event_source_set_io_events(sd_event_source *s, uint32_t events);
 int sd_event_source_get_io_revents(sd_event_source *s, uint32_t* revents);
@@ -130,6 +140,11 @@ int sd_event_source_set_time_accuracy(sd_event_source *s, uint64_t usec);
 int sd_event_source_get_time_clock(sd_event_source *s, clockid_t *clock);
 int sd_event_source_get_signal(sd_event_source *s);
 int sd_event_source_get_child_pid(sd_event_source *s, pid_t *pid);
+int sd_event_source_get_inotify_mask(sd_event_source *s, uint32_t *ret);
+int sd_event_source_set_destroy_callback(sd_event_source *s, sd_event_destroy_t callback);
+int sd_event_source_get_destroy_callback(sd_event_source *s, sd_event_destroy_t *ret);
+int sd_event_source_get_floating(sd_event_source *s);
+int sd_event_source_set_floating(sd_event_source *s, int b);
 
 /* Define helpers so that __attribute__((cleanup(sd_event_unrefp))) and similar may be used. */
 _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_event, sd_event_unref);