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feat(scheduler-core): extract xce_sched_core_t from monolithic scheduler struct (task 4.1)

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Splits xce_scheduler_t along the controller-I/O seam: xce_sched_core_t
(new core.h/core.c) now holds all scheduling state (jobs/queues/workers/
users/projects/resource managers/plugins/three-thread-cbuf pipeline),
while xce_scheduler_t shrinks to {core; apictx; cluster_cfg}. Proven via
an nm-based link-time isolation test (zero netio/xcecli/idgen/delaymgr
symbols reachable from core.c) plus a reproducible wall-clock-call guard.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019dw5WnN3DXStaEaPYfACU1
This commit is contained in:
Rongsong Shen 2026-08-03 10:55:58 +00:00
parent 604a564904
commit 7c229284e2
Signed by: rshen
SSH key fingerprint: SHA256:8Vf2pZ3h6rJa7EhGK+WaAQ9Mta/apZvteW6g9U/WKKk
26 changed files with 1233 additions and 661 deletions
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16
src/scheduler/testsuite/test_handlers.c
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@ -30,7 +30,9 @@ int sched_init_config(xce_scheduler_t* s, xce_conf4sched_t* c)
(void)s; (void)c; return 0;
}
xce_sched_job_t* sched_get_job(xce_scheduler_t* sched, uint64_t jobid)
/* sched_get_job relocated to core.h (scheduler-core spec, task 4.1) -- now
* operates on xce_sched_core_t*, not xce_scheduler_t*. */
xce_sched_job_t* sched_get_job(xce_sched_core_t* sched, uint64_t jobid)
{
(void)sched; (void)jobid; return NULL;
}
@ -47,11 +49,11 @@ void tearDown(void)
static void fixture_init(xce_scheduler_t* sched)
{
memset(sched, 0, sizeof(*sched));
mylock_init(&(sched->lock));
sched->pend_updates[0] = (dataq_t*)calloc(1, sizeof(dataq_t));
dataq_init(sched->pend_updates[0], NULL);
sched->pend_updates[1] = (dataq_t*)calloc(1, sizeof(dataq_t));
dataq_init(sched->pend_updates[1], NULL);
mylock_init(&(sched->core.lock));
sched->core.pend_updates[0] = (dataq_t*)calloc(1, sizeof(dataq_t));
dataq_init(sched->core.pend_updates[0], NULL);
sched->core.pend_updates[1] = (dataq_t*)calloc(1, sizeof(dataq_t));
dataq_init(sched->core.pend_updates[1], NULL);
}
/* Dequeue one pending request (NULL if the queue is empty) and return its op
@ -59,7 +61,7 @@ static void fixture_init(xce_scheduler_t* sched)
* the suite's leaks-off convention). Returns 1 if an item was present. */
static int pop_op(xce_scheduler_t* sched, xce_sched_op_t* op_out)
{
data_item_t* it = dataq_deq(sched->pend_updates[0], NULL);
data_item_t* it = dataq_deq(sched->core.pend_updates[0], NULL);
xce_sched_update_request_t* req;
if (it == NULL) {