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Discard outstanding system calls at the end of mcexec.

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This commit is contained in:
Tomoki Shirasawa
2017-03-28 11:23:54 +09:00
parent b97a8c5138
commit ef910fdf0e
1 changed files with 21 additions and 0 deletions
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21
executer/kernel/mcctrl/control.c
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@@ -779,6 +779,9 @@ void mcctrl_put_per_proc_data(struct mcctrl_per_proc_data *ppd)
int hash;
unsigned long flags;
int i;
struct wait_queue_head_list_node *wqhln;
struct wait_queue_head_list_node *wqhln_next;
struct ikc_scd_packet *packet;
if (!ppd)
return;
@@ -811,6 +814,18 @@ void mcctrl_put_per_proc_data(struct mcctrl_per_proc_data *ppd)
}
}
flags = ihk_ikc_spinlock_lock(&ppd->wq_list_lock);
list_for_each_entry_safe(wqhln, wqhln_next, &ppd->wq_req_list, list) {
list_del(&wqhln->list);
packet = wqhln->packet;
kfree(wqhln);
__return_syscall(ppd->ud->os, packet, -EINTR,
task_pid_vnr(current));
ihk_ikc_release_packet((struct ihk_ikc_free_packet *)packet,
(ppd->ud->channels + packet->ref)->c);
}
ihk_ikc_spinlock_unlock(&ppd->wq_list_lock, flags);
kfree(ppd);
}
@@ -834,6 +849,12 @@ int mcexec_syscall(struct mcctrl_usrdata *ud, struct ikc_scd_packet *packet)
kprintf("%s: ERROR: no per-process structure for PID %d, "
"syscall nr: %lu\n",
__FUNCTION__, pid, packet->req.number);
__return_syscall(ud->os, packet, -EINTR,
task_pid_vnr(current));
ihk_ikc_release_packet((struct ihk_ikc_free_packet *)packet,
(ud->channels + packet->ref)->c);
return -1;
}