save works

src/scheduler/include/scheduler.h

@@ -4,26 +4,46 @@
 
 #include <pthread.h>
 
+#include "decision.h"
 #include "client.h"
+#include "dataq.h"
 #include "mylock.h"
 #include "xce/types.h"
 #include "xlist.h"
 
 typedef enum {
-    XCE_DECISION_NONE = 0,
-    XCE_DECISION_DISPATCH,
-    XCE_DECISION_PEND
-} xce_decision_op_t;
+    XCE_SCHED_OP_NONE = 0,
+    XCE_SCHED_OP_UPDATE_CONFIG,
+    XCE_SCHED_OP_UPDATE_JOB,
+    XCE_SCHED_OP_UPDATE_WORKER
+} xce_sched_op_t;
 
 typedef struct {
-    xce_decision_op_t op;
+    data_item_t    link;
+    xce_sched_op_t op;
     union {
-        xce_job_alloc_t* alloc;
+        xce_conf4sched_t* config;
+        struct {
+            int         njobs;
+            xce_job_t** jobs;
+        } jobupdate;
+        struct {
+            int            nworkers;
+            xce_worker_t** workers;
+        } workerupdate;
     } u;
-} xce_decision_t;
+} xce_sched_update_request_t;
+
+#define ITPTR_TO_UPDATE_REQ(p)                                                 \
+    ((xce_sched_update_request_t*)(((char*)p)                                  \
+                                   - offsetof(xce_sched_update_request_t,      \
+                                              link)))
 
 typedef struct {
+    mylock_t     lock;
+    int          stop;
     xcecli_ctx_t apictx;
+    dataq_t*     pend_updates[2];
     pthread_t    jobpicker;
     pthread_t    allocator;
     cbuf_t       wbuf;      /* action to trigger scheduling */