Definition of macros CCL_STAT_XXX are moved from ccl.c to here.

(struct ccl_program): New member private_state.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/ccl.h b/src/ccl.h
index 86602f2a3c8..c1700c957d9 100644
--- a/src/ccl.h
+++ b/src/ccl.h
@@ -22,6 +22,14 @@ Boston, MA 02111-1307, USA.  */
 #ifndef _CCL_H
 #define _CCL_H
 
+/* Macros for exit status of CCL program.  */
+#define CCL_STAT_SUCCESS	0 /* Terminated successfully.  */
+#define CCL_STAT_SUSPEND_BY_SRC	1 /* Terminated by empty input.  */
+#define CCL_STAT_SUSPEND_BY_DST	2 /* Terminated by output buffer full.  */
+#define CCL_STAT_INVALID_CMD	3 /* Terminated because of invalid
+				     command.  */
+#define CCL_STAT_QUIT		4 /* Terminated because of quit.  */
+
 /* Structure to hold information about running CCL code.  Read
    comments in the file ccl.c for the detail of each field.  */
 struct ccl_program {
@@ -33,6 +41,11 @@ struct ccl_program {
   int reg[8];			/* CCL registers, reg[7] is used for
 				   condition flag of relational
 				   operations.  */
+  int private_state;            /* CCL instruction may use this
+				   for private use, mainly for preservation
+				   internal states for suspending.
+				   This variable is set to 0 when ccl is 
+				   set up.  */
   int last_block;		/* Set to 1 while processing the last
 				   block. */
   int status;			/* Exit status of the CCL program.  */