version 1.50.4.3, 2001/10/08 19:47:51 |
version 1.50.4.4, 2002/06/12 20:41:45 |
Line 569 soreceive(so, paddr, uio, mp0, controlp, |
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Line 569 soreceive(so, paddr, uio, mp0, controlp, |
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struct mbuf *nextrecord; |
struct mbuf *nextrecord; |
int moff, type = 0; |
int moff, type = 0; |
int orig_resid = uio->uio_resid; |
int orig_resid = uio->uio_resid; |
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int mbuf_removed = 0; |
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mp = mp0; |
mp = mp0; |
if (paddr) |
if (paddr) |
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m = m->m_next; |
m = m->m_next; |
} else { |
} else { |
sbfree(&so->so_rcv, m); |
sbfree(&so->so_rcv, m); |
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mbuf_removed = 1; |
if (paddr) { |
if (paddr) { |
*paddr = m; |
*paddr = m; |
so->so_rcv.sb_mb = m->m_next; |
so->so_rcv.sb_mb = m->m_next; |
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m = m->m_next; |
m = m->m_next; |
} else { |
} else { |
sbfree(&so->so_rcv, m); |
sbfree(&so->so_rcv, m); |
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mbuf_removed = 1; |
if (controlp) { |
if (controlp) { |
if (pr->pr_domain->dom_externalize && |
if (pr->pr_domain->dom_externalize && |
mtod(m, struct cmsghdr *)->cmsg_type == |
mtod(m, struct cmsghdr *)->cmsg_type == |
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splx(s); |
splx(s); |
error = uiomove(mtod(m, caddr_t) + moff, (int)len, uio); |
error = uiomove(mtod(m, caddr_t) + moff, (int)len, uio); |
s = splsoftnet(); |
s = splsoftnet(); |
if (error) |
if (error) { |
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/* |
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* If any part of the record has been removed |
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* (such as the MT_SONAME mbuf, which will |
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* happen when PR_ADDR, and thus also |
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* PR_ATOMIC, is set), then drop the entire |
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* record to maintain the atomicity of the |
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* receive operation. |
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* |
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* This avoids a later panic("receive 1a") |
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* when compiled with DIAGNOSTIC. |
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*/ |
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if (m && mbuf_removed |
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&& (pr->pr_flags & PR_ATOMIC)) |
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(void) sbdroprecord(&so->so_rcv); |
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goto release; |
goto release; |
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} |
} else |
} else |
uio->uio_resid -= len; |
uio->uio_resid -= len; |
if (len == m->m_len - moff) { |
if (len == m->m_len - moff) { |