* src/main.c: include sys/wait.h

(chld_handler): new function

* src/events.c: include sys/wait.h
(handle_signals): Print an error message in the case of a child
signal.

* src/data.h (struct rp_child_info): New struct.
(child_info): New global.
(chld_signalled): likewise

* src/actions.c (spawn): Let the SIGCHLD handler handle process
completion instead of doing an ugly dance.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/data.h b/src/data.h
index eae7df7..d81918d 100644
--- a/src/data.h
+++ b/src/data.h
@@ -165,6 +165,17 @@ struct rp_defaults
   int warp;
 };
 
+/* Information about a child process. */
+struct rp_child_info
+{
+  int pid;
+  int status;
+};
+
+/* When a child process exits this structure holds the information
+   about it to be used to report back to the user. */
+extern struct rp_child_info child_info;
+
 extern struct rp_defaults defaults;
 
 /* The prefix key also known as the command character under screen. */
@@ -250,6 +261,7 @@ extern struct modifier_info rp_modifier_info;
 extern int alarm_signalled;
 extern int kill_signalled;
 extern int hup_signalled;
+extern int chld_signalled;
 
 /* rudeness levels */
 extern int rp_honour_transient_raise;