Introduce control connection.

* src/ctl.c: New file.
* src/Makefile.am (pies_SOURCES): Add ctl.c
* src/pies.c: New configuration statement "control"
* src/pies.h (instance, ctl_url): New externs.
(register_socket): Change signature.
(update_socket,ctl_open): New protos.
* src/socket.c (listenset): Remove.
(fdset): New static.
(sockinst)<handler>: Array of three pointers: handlers for
read, write, and exception, correspondingly.
(find_socket_handler): Remove.
(register_socket): Take three function pointers as arguments.
Update corresponding elements of fdset.
(update_socket): New function.
(pies_pause): Handle all three I/O operations.
(deregister_socket)
(register_program_socket)
(disable_socket,enable_socket): Reflect the changes.
* src/sysvinit.c (create_fifo): Update call to register_socket.

1 files changed, 30 insertions, 1 deletions

diff --git a/src/pies.h b/src/pies.h
index b627b47..a4e1a1b 100644
--- a/src/pies.h
+++ b/src/pies.h
@@ -276,6 +276,7 @@ enum pies_action {
         ACTION_KBREQUEST
 };
 
+extern char *instance;
 extern char *log_tag;
 extern int log_facility;
 extern unsigned long shutdown_timeout;
@@ -393,9 +394,25 @@ int pies_url_create (struct pies_url **purl, const char *str);
 void pies_url_destroy (struct pies_url **purl);
 const char * pies_url_get_arg (struct pies_url *url, const char *argname);
 
+
 void pies_pause (void);
-void *register_socket (int fd, int (*handler) (int, void *), void *data);
+
+enum
+  {
+    PIES_EVT_RD,
+    PIES_EVT_WR,
+    PIES_EVT_EX
+  };
+
+typedef int (*socket_handler_t) (int, void *);
+
+void *register_socket (int fd,
+                       socket_handler_t rd,
+                       socket_handler_t wr,
+                       socket_handler_t ex,
+                       void *data);
 void deregister_socket (int fd);
+void update_socket (int fd, int evt, socket_handler_t f);
 
 int register_program_socket (int socktype, int fd, void *data);
 int pass_fd (const char *socket, int fd, unsigned time_out);
@@ -537,3 +554,15 @@ struct sysvinit_request {
 void sysvinit_acct (int what, const char *user, const char *id, pid_t pid,
                     const char *line);
 
+
+/* ctl.c */
+struct control
+{
+  struct pies_url *url;
+  pies_acl_t acl;
+  unsigned int idle_timeout;
+};
+
+extern struct control control;
+
+void ctl_open(void);