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support sigqueue

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This commit is contained in:
Tomoki Shirasawa
2014-09-23 23:17:53 +09:00
parent 55aeceb1bf
commit 39f36120c1
12 changed files with 188 additions and 38 deletions
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34
executer/kernel/control.c
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@@ -270,27 +270,57 @@ static long mcexec_start_image(ihk_os_t os,
return 0;
}
static DECLARE_WAIT_QUEUE_HEAD(signalq);
static long mcexec_send_signal(ihk_os_t os, struct signal_desc *sigparam)
{
struct ikc_scd_packet isp;
struct mcctrl_channel *c;
struct mcctrl_usrdata *usrdata = ihk_host_os_get_usrdata(os);
struct signal_desc sig;
struct mcctrl_signal msig[2];
struct mcctrl_signal *msigp;
int rc;
if (copy_from_user(&sig, sigparam, sizeof(struct signal_desc))) {
return -EFAULT;
}
msigp = msig;
if(((unsigned long)msig & 0xfffffffffffff000L) !=
((unsigned long)(msig + 1) & 0xfffffffffffff000L))
msigp++;
memset(msigp, '\0', sizeof msig);
msigp->sig = sig.sig;
msigp->pid = sig.pid;
msigp->tid = sig.tid;
memcpy(&msigp->info, &sig.info, 128);
c = usrdata->channels;
isp.msg = SCD_MSG_SEND_SIGNAL;
isp.ref = sig.cpu;
isp.pid = sig.pid;
isp.arg = (long)sig.tid << 32 | (sig.sig & 0x00000000ffffffffL);
isp.arg = virt_to_phys(msigp);
mcctrl_ikc_send(os, sig.cpu, &isp);
if((rc = mcctrl_ikc_send(os, sig.cpu, &isp)) < 0){
printk("mcexec_send_signal: mcctrl_ikc_send ret=%d\n", rc);
return rc;
}
wait_event_interruptible(signalq, msigp->cond != 0);
return 0;
}
void
sig_done(unsigned long arg, int err)
{
struct mcctrl_signal *msigp;
msigp = phys_to_virt(arg);
msigp->cond = 1;
wake_up_interruptible(&signalq);
}
static long mcexec_get_cpu(ihk_os_t os)
{
struct ihk_cpu_info *info;