From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 19 Jan 2024 17:02:19 +0000 (+0100)
Subject: event-util: add helper for adding pidref child to event loop
X-Git-Tag: v256-rc1~1083^2~10
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6ce868a0da220f98a33f390a1292f01e63f5d973;p=thirdparty%2Fsystemd.git

event-util: add helper for adding pidref child to event loop
---

diff --git a/src/libsystemd/sd-event/event-util.c b/src/libsystemd/sd-event/event-util.c
index a3101227af7..2338df1d629 100644
--- a/src/libsystemd/sd-event/event-util.c
+++ b/src/libsystemd/sd-event/event-util.c
@@ -151,3 +151,20 @@ int event_add_time_change(sd_event *e, sd_event_source **ret, sd_event_io_handle
 
         return 0;
 }
+
+int event_add_child_pidref(
+                sd_event *e,
+                sd_event_source **s,
+                const PidRef *pid,
+                int options,
+                sd_event_child_handler_t callback,
+                void *userdata) {
+
+        if (!pidref_is_set(pid))
+                return -ESRCH;
+
+        if (pid->fd >= 0)
+                return sd_event_add_child_pidfd(e, s, pid->fd, options, callback, userdata);
+
+        return sd_event_add_child(e, s, pid->pid, options, callback, userdata);
+}
diff --git a/src/libsystemd/sd-event/event-util.h b/src/libsystemd/sd-event/event-util.h
index c1855844123..6259d5ae255 100644
--- a/src/libsystemd/sd-event/event-util.h
+++ b/src/libsystemd/sd-event/event-util.h
@@ -5,6 +5,8 @@
 
 #include "sd-event.h"
 
+#include "pidref.h"
+
 int event_reset_time(
                 sd_event *e,
                 sd_event_source **s,
@@ -32,3 +34,5 @@ static inline int event_source_disable(sd_event_source *s) {
 }
 
 int event_add_time_change(sd_event *e, sd_event_source **ret, sd_event_io_handler_t callback, void *userdata);
+
+int event_add_child_pidref(sd_event *e, sd_event_source **s, const PidRef *pid, int options, sd_event_child_handler_t callback, void *userdata);