make shure invalid session fd's don't get set into the central select.

[citadel.git] / citadel / context.h

diff --git a/citadel/context.h b/citadel/context.h
index eb9b01d2c0ade55df38828fe2d5d3213f494a3b2..cb7d92f0293f3b451ad85b0930429a6b1dbf92de 100644 (file)
--- a/citadel/context.h
+++ b/citadel/context.h
@@ -9,6 +9,26 @@
 #include "threads.h"
 
 
+/*
+ * Values for CitContext.state
+ * 
+ * A session that is doing nothing is in CON_IDLE state.  When activity
+ * is detected on the socket, it goes to CON_READY, indicating that it
+ * needs to have a worker thread bound to it.  When a thread binds to
+ * the session, it goes to CON_EXECUTING and does its thing.  When the
+ * transaction is finished, the thread sets it back to CON_IDLE and lets
+ * it go.
+ */
+typedef enum __CCState {
+       CON_IDLE,               /* This context is doing nothing */
+       CON_GREETING,           /* This context needs to output its greeting */
+       CON_STARTING,           /* This context is outputting its greeting */
+       CON_READY,              /* This context needs attention */
+       CON_EXECUTING,          /* This context is bound to a thread */
+       CON_SYS                 /* This is a system context and mustn't be purged */
+} CCState;
+
+
 /*
  * Here's the big one... the Citadel context structure.
  *
@@ -24,7 +44,7 @@ struct CitContext {
        int dont_term;          /* for special activities like artv so we don't get killed */
        time_t lastcmd;         /* time of last command executed */
        time_t lastidle;        /* For computing idle time */
-       int state;              /* thread state (see CON_ values below) */
+       CCState state;          /* thread state (see CON_ values below) */
        int kill_me;            /* Set to nonzero to flag for termination */
 
        IOBuffer SendBuf, /* Our write Buffer */
@@ -123,23 +143,6 @@ struct CitContext {
 
 typedef struct CitContext CitContext;
 
-/*
- * Values for CitContext.state
- * 
- * A session that is doing nothing is in CON_IDLE state.  When activity
- * is detected on the socket, it goes to CON_READY, indicating that it
- * needs to have a worker thread bound to it.  When a thread binds to
- * the session, it goes to CON_EXECUTING and does its thing.  When the
- * transaction is finished, the thread sets it back to CON_IDLE and lets
- * it go.
- */
-enum {
-       CON_IDLE,               /* This context is doing nothing */
-       CON_GREETING,           /* This context needs to output its greeting */
-       CON_STARTING,           /* This context is outputting its greeting */
-       CON_READY,              /* This context needs attention */
-       CON_EXECUTING           /* This context is bound to a thread */
-};
 
 #define CC MyContext()