service: introduce Type=idle and use it for gettys

[elogind.git] / src / core / execute.c

diff --git a/src/core/execute.c b/src/core/execute.c
index c59f7e2daa63b3c50bfc8ecb081a2e9be9fb62ba..99a7881f1cbbc81c03d2af9fe36ca5dfe87e7ec1 100644 (file)
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -37,6 +37,7 @@
 #include <sys/mount.h>
 #include <linux/fs.h>
 #include <linux/oom.h>
+#include <sys/poll.h>
 
 #ifdef HAVE_PAM
 #include <security/pam_appl.h>
@@ -963,6 +964,7 @@ int exec_spawn(ExecCommand *command,
                CGroupBonding *cgroup_bondings,
                CGroupAttribute *cgroup_attributes,
                const char *cgroup_suffix,
+               int idle_pipe[2],
                pid_t *ret) {
 
         pid_t pid;
@@ -1050,6 +1052,15 @@ int exec_spawn(ExecCommand *command,
                         goto fail_child;
                 }
 
+                if (idle_pipe) {
+                        if (idle_pipe[1] >= 0)
+                                close_nointr_nofail(idle_pipe[1]);
+                        if (idle_pipe[0] >= 0) {
+                                fd_wait_for_event(idle_pipe[0], POLLHUP, DEFAULT_TIMEOUT_USEC);
+                                close_nointr_nofail(idle_pipe[0]);
+                        }
+                }
+
                 /* Close sockets very early to make sure we don't
                  * block init reexecution because it cannot bind its
                  * sockets */