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S9: OXT-1622: surfman: xc_domain_getinfo usage. #33

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Merged
jean-edouard merged 1 commit into from
Jul 30, 2019
Merged

S9: OXT-1622: surfman: xc_domain_getinfo usage. #33

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15 changes: 9 additions & 6 deletions libsurfman/src/xc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,18 +37,21 @@ void xc_init (void)
}
}

int xc_domid_exists (int domid)
int xc_domid_getinfo(int domid, xc_dominfo_t *info)
{
xc_dominfo_t info;
int rc;

rc = xc_domain_getinfo (xch, domid, 1, &info);
return rc >= 0 ? info.domid == (domid_t)domid : 0;
rc = xc_domain_getinfo (xch, domid, 1, info);
if (rc == 1)
return info->domid == (domid_t)domid ? 1 : -ENOENT;
return rc;
}

int xc_domid_getinfo(int domid, xc_dominfo_t *info)
int xc_domid_exists(int domid)
{
return xc_domain_getinfo (xch, domid, 1, info);
xc_dominfo_t info = { 0 };

return !!xc_domid_getinfo(domid, &info);
}

void *xc_mmap_foreign(void *addr, size_t length, int prot,
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2 changes: 1 addition & 1 deletion surfman/src/domain.c
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ domain_dying (struct domain *d)
{
xc_dominfo_t info;

if (!xc_domid_getinfo (d->domid, &info))
if (xc_domid_getinfo (d->domid, &info) != 1)
return 0;
return info.dying;
}
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