version 1.111.2.15, 2008/03/24 09:39:02 |
version 1.141.2.1, 2007/11/06 23:32:41 |
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/* $NetBSD$ */ |
/* $NetBSD$ */ |
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/*- |
/*- |
* Copyright (c) 2002, 2007, 2008 The NetBSD Foundation, Inc. |
* Copyright (c) 2002, 2007 The NetBSD Foundation, Inc. |
* All rights reserved. |
* All rights reserved. |
* |
* |
* This code is derived from software contributed to The NetBSD Foundation |
* This code is derived from software contributed to The NetBSD Foundation |
Line 253 sokvafree(vaddr_t sva, vsize_t len) |
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Line 253 sokvafree(vaddr_t sva, vsize_t len) |
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static void |
static void |
sodoloanfree(struct vm_page **pgs, void *buf, size_t size) |
sodoloanfree(struct vm_page **pgs, void *buf, size_t size) |
{ |
{ |
vaddr_t sva, eva; |
vaddr_t va, sva, eva; |
vsize_t len; |
vsize_t len; |
int npgs; |
paddr_t pa; |
|
int i, npgs; |
KASSERT(pgs != NULL); |
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|
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eva = round_page((vaddr_t) buf + size); |
eva = round_page((vaddr_t) buf + size); |
sva = trunc_page((vaddr_t) buf); |
sva = trunc_page((vaddr_t) buf); |
len = eva - sva; |
len = eva - sva; |
npgs = len >> PAGE_SHIFT; |
npgs = len >> PAGE_SHIFT; |
|
|
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if (__predict_false(pgs == NULL)) { |
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pgs = alloca(npgs * sizeof(*pgs)); |
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|
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for (i = 0, va = sva; va < eva; i++, va += PAGE_SIZE) { |
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if (pmap_extract(pmap_kernel(), va, &pa) == false) |
|
panic("sodoloanfree: va 0x%lx not mapped", va); |
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pgs[i] = PHYS_TO_VM_PAGE(pa); |
|
} |
|
} |
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|
pmap_kremove(sva, len); |
pmap_kremove(sva, len); |
pmap_update(pmap_kernel()); |
pmap_update(pmap_kernel()); |
uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
Line 271 sodoloanfree(struct vm_page **pgs, void |
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Line 280 sodoloanfree(struct vm_page **pgs, void |
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} |
} |
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static size_t |
static size_t |
sodopendfree(void) |
sodopendfree() |
{ |
{ |
size_t rv; |
size_t rv; |
|
|
Line 290 sodopendfree(void) |
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Line 299 sodopendfree(void) |
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*/ |
*/ |
|
|
static size_t |
static size_t |
sodopendfreel(void) |
sodopendfreel() |
{ |
{ |
struct mbuf *m, *next; |
struct mbuf *m, *next; |
size_t rv = 0; |
size_t rv = 0; |
|
int s; |
|
|
KASSERT(mutex_owned(&so_pendfree_lock)); |
KASSERT(mutex_owned(&so_pendfree_lock)); |
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Line 304 sodopendfreel(void) |
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Line 314 sodopendfreel(void) |
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|
|
for (; m != NULL; m = next) { |
for (; m != NULL; m = next) { |
next = m->m_next; |
next = m->m_next; |
KASSERT((~m->m_flags & (M_EXT|M_EXT_PAGES)) == 0); |
|
KASSERT(m->m_ext.ext_refcnt == 0); |
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|
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rv += m->m_ext.ext_size; |
rv += m->m_ext.ext_size; |
sodoloanfree(m->m_ext.ext_pgs, m->m_ext.ext_buf, |
sodoloanfree((m->m_flags & M_EXT_PAGES) ? |
|
m->m_ext.ext_pgs : NULL, m->m_ext.ext_buf, |
m->m_ext.ext_size); |
m->m_ext.ext_size); |
pool_cache_put(mb_cache, m); |
s = splvm(); |
|
pool_cache_put(&mbpool_cache, m); |
|
splx(s); |
} |
} |
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mutex_enter(&so_pendfree_lock); |
mutex_enter(&so_pendfree_lock); |
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soloanfree(struct mbuf *m, void *buf, size_t size, void *arg) |
soloanfree(struct mbuf *m, void *buf, size_t size, void *arg) |
{ |
{ |
|
|
KASSERT(m != NULL); |
if (m == NULL) { |
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/* |
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* called from MEXTREMOVE. |
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*/ |
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sodoloanfree(NULL, buf, size); |
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return; |
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} |
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/* |
/* |
* postpone freeing mbuf. |
* postpone freeing mbuf. |
Line 345 sosend_loan(struct socket *so, struct ui |
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Line 364 sosend_loan(struct socket *so, struct ui |
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struct iovec *iov = uio->uio_iov; |
struct iovec *iov = uio->uio_iov; |
vaddr_t sva, eva; |
vaddr_t sva, eva; |
vsize_t len; |
vsize_t len; |
vaddr_t lva; |
vaddr_t lva, va; |
int npgs, error; |
int npgs, i, error; |
vaddr_t va; |
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int i; |
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if (VMSPACE_IS_KERNEL_P(uio->uio_vmspace)) |
if (VMSPACE_IS_KERNEL_P(uio->uio_vmspace)) |
return (0); |
return (0); |
Line 414 sokva_reclaim_callback(struct callback_e |
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Line 431 sokva_reclaim_callback(struct callback_e |
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} |
} |
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struct mbuf * |
struct mbuf * |
getsombuf(struct socket *so, int type) |
getsombuf(struct socket *so) |
{ |
{ |
struct mbuf *m; |
struct mbuf *m; |
|
|
m = m_get(M_WAIT, type); |
m = m_get(M_WAIT, MT_SONAME); |
MCLAIM(m, so->so_mowner); |
MCLAIM(m, so->so_mowner); |
return m; |
return m; |
} |
} |
Line 428 m_intopt(struct socket *so, int val) |
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Line 445 m_intopt(struct socket *so, int val) |
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{ |
{ |
struct mbuf *m; |
struct mbuf *m; |
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m = getsombuf(so, MT_SOOPTS); |
m = getsombuf(so); |
m->m_len = sizeof(int); |
m->m_len = sizeof(int); |
*mtod(m, int *) = val; |
*mtod(m, int *) = val; |
return m; |
return m; |
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soinit(void) |
soinit(void) |
{ |
{ |
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mutex_init(&so_pendfree_lock, MUTEX_DEFAULT, IPL_VM); |
mutex_init(&so_pendfree_lock, MUTEX_DRIVER, IPL_VM); |
cv_init(&socurkva_cv, "sokva"); |
cv_init(&socurkva_cv, "sokva"); |
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/* Set the initial adjusted socket buffer size. */ |
/* Set the initial adjusted socket buffer size. */ |
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fsocreate(int domain, struct socket **sop, int type, int protocol, |
fsocreate(int domain, struct socket **sop, int type, int protocol, |
struct lwp *l, int *fdout) |
struct lwp *l, int *fdout) |
{ |
{ |
|
struct filedesc *fdp; |
struct socket *so; |
struct socket *so; |
struct file *fp; |
struct file *fp; |
int fd, error; |
int fd, error; |
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if ((error = fd_allocfile(&fp, &fd)) != 0) |
fdp = l->l_proc->p_fd; |
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/* falloc() will use the desciptor for us */ |
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if ((error = falloc(l, &fp, &fd)) != 0) |
return (error); |
return (error); |
fp->f_flag = FREAD|FWRITE; |
fp->f_flag = FREAD|FWRITE; |
fp->f_type = DTYPE_SOCKET; |
fp->f_type = DTYPE_SOCKET; |
fp->f_ops = &socketops; |
fp->f_ops = &socketops; |
error = socreate(domain, &so, type, protocol, l); |
error = socreate(domain, &so, type, protocol, l); |
if (error != 0) { |
if (error != 0) { |
fd_abort(curproc, fp, fd); |
FILE_UNUSE(fp, l); |
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fdremove(fdp, fd); |
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ffree(fp); |
} else { |
} else { |
if (sop != NULL) |
if (sop != NULL) |
*sop = so; |
*sop = so; |
fp->f_data = so; |
fp->f_data = so; |
fd_affix(curproc, fp, fd); |
FILE_SET_MATURE(fp); |
|
FILE_UNUSE(fp, l); |
*fdout = fd; |
*fdout = fd; |
} |
} |
return error; |
return error; |
Line 560 sobind(struct socket *so, struct mbuf *n |
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Line 583 sobind(struct socket *so, struct mbuf *n |
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} |
} |
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int |
int |
solisten(struct socket *so, int backlog, struct lwp *l) |
solisten(struct socket *so, int backlog) |
{ |
{ |
int s, error; |
int s, error; |
|
|
s = splsoftnet(); |
s = splsoftnet(); |
error = (*so->so_proto->pr_usrreq)(so, PRU_LISTEN, NULL, |
error = (*so->so_proto->pr_usrreq)(so, PRU_LISTEN, NULL, |
NULL, NULL, l); |
NULL, NULL, NULL); |
if (error != 0) { |
if (error != 0) { |
splx(s); |
splx(s); |
return error; |
return error; |
Line 640 soclose(struct socket *so) |
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Line 663 soclose(struct socket *so) |
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goto drop; |
goto drop; |
} |
} |
if (so->so_options & SO_LINGER) { |
if (so->so_options & SO_LINGER) { |
if ((so->so_state & SS_ISDISCONNECTING) && so->so_nbio) |
if ((so->so_state & SS_ISDISCONNECTING) && |
|
(so->so_state & SS_NBIO)) |
goto drop; |
goto drop; |
while (so->so_state & SS_ISCONNECTED) { |
while (so->so_state & SS_ISCONNECTED) { |
error = tsleep((void *)&so->so_timeo, |
error = tsleep((void *)&so->so_timeo, |
Line 849 sosend(struct socket *so, struct mbuf *a |
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Line 873 sosend(struct socket *so, struct mbuf *a |
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snderr(EMSGSIZE); |
snderr(EMSGSIZE); |
if (space < resid + clen && |
if (space < resid + clen && |
(atomic || space < so->so_snd.sb_lowat || space < clen)) { |
(atomic || space < so->so_snd.sb_lowat || space < clen)) { |
if (so->so_nbio) |
if (so->so_state & SS_NBIO) |
snderr(EWOULDBLOCK); |
snderr(EWOULDBLOCK); |
sbunlock(&so->so_snd); |
sbunlock(&so->so_snd); |
error = sbwait(&so->so_snd); |
error = sbwait(&so->so_snd); |
Line 989 soreceive(struct socket *so, struct mbuf |
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Line 1013 soreceive(struct socket *so, struct mbuf |
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{ |
{ |
struct lwp *l = curlwp; |
struct lwp *l = curlwp; |
struct mbuf *m, **mp; |
struct mbuf *m, **mp; |
int atomic, flags, len, error, s, offset, moff, type, orig_resid; |
int flags, len, error, s, offset, moff, type, orig_resid; |
const struct protosw *pr; |
const struct protosw *pr; |
struct mbuf *nextrecord; |
struct mbuf *nextrecord; |
int mbuf_removed = 0; |
int mbuf_removed = 0; |
const struct domain *dom; |
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|
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pr = so->so_proto; |
pr = so->so_proto; |
atomic = pr->pr_flags & PR_ATOMIC; |
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dom = pr->pr_domain; |
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mp = mp0; |
mp = mp0; |
type = 0; |
type = 0; |
orig_resid = uio->uio_resid; |
orig_resid = uio->uio_resid; |
Line 1058 soreceive(struct socket *so, struct mbuf |
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Line 1079 soreceive(struct socket *so, struct mbuf |
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(so->so_rcv.sb_cc < so->so_rcv.sb_lowat || |
(so->so_rcv.sb_cc < so->so_rcv.sb_lowat || |
((flags & MSG_WAITALL) && |
((flags & MSG_WAITALL) && |
uio->uio_resid <= so->so_rcv.sb_hiwat)) && |
uio->uio_resid <= so->so_rcv.sb_hiwat)) && |
m->m_nextpkt == NULL && !atomic)) { |
m->m_nextpkt == NULL && |
|
(pr->pr_flags & PR_ATOMIC) == 0)) { |
#ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
if (m == NULL && so->so_rcv.sb_cc) |
if (m == NULL && so->so_rcv.sb_cc) |
panic("receive 1"); |
panic("receive 1"); |
Line 1089 soreceive(struct socket *so, struct mbuf |
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Line 1111 soreceive(struct socket *so, struct mbuf |
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} |
} |
if (uio->uio_resid == 0) |
if (uio->uio_resid == 0) |
goto release; |
goto release; |
if (so->so_nbio || (flags & MSG_DONTWAIT)) { |
if ((so->so_state & SS_NBIO) || (flags & MSG_DONTWAIT)) { |
error = EWOULDBLOCK; |
error = EWOULDBLOCK; |
goto release; |
goto release; |
} |
} |
Line 1147 soreceive(struct socket *so, struct mbuf |
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Line 1169 soreceive(struct socket *so, struct mbuf |
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sbfree(&so->so_rcv, m); |
sbfree(&so->so_rcv, m); |
mbuf_removed = 1; |
mbuf_removed = 1; |
if (controlp != NULL) { |
if (controlp != NULL) { |
|
struct domain *dom = pr->pr_domain; |
if (dom->dom_externalize && l && |
if (dom->dom_externalize && l && |
mtod(m, struct cmsghdr *)->cmsg_type == |
mtod(m, struct cmsghdr *)->cmsg_type == |
SCM_RIGHTS) |
SCM_RIGHTS) |
Line 1160 soreceive(struct socket *so, struct mbuf |
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Line 1183 soreceive(struct socket *so, struct mbuf |
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* Dispose of any SCM_RIGHTS message that went |
* Dispose of any SCM_RIGHTS message that went |
* through the read path rather than recv. |
* through the read path rather than recv. |
*/ |
*/ |
if (dom->dom_dispose && |
if (pr->pr_domain->dom_dispose && |
mtod(m, struct cmsghdr *)->cmsg_type == SCM_RIGHTS) |
mtod(m, struct cmsghdr *)->cmsg_type == SCM_RIGHTS) |
(*dom->dom_dispose)(m); |
(*pr->pr_domain->dom_dispose)(m); |
MFREE(m, so->so_rcv.sb_mb); |
MFREE(m, so->so_rcv.sb_mb); |
m = so->so_rcv.sb_mb; |
m = so->so_rcv.sb_mb; |
} |
} |
Line 1249 soreceive(struct socket *so, struct mbuf |
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Line 1272 soreceive(struct socket *so, struct mbuf |
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* This avoids a later panic("receive 1a") |
* This avoids a later panic("receive 1a") |
* when compiled with DIAGNOSTIC. |
* when compiled with DIAGNOSTIC. |
*/ |
*/ |
if (m && mbuf_removed && atomic) |
if (m && mbuf_removed |
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&& (pr->pr_flags & PR_ATOMIC)) |
(void) sbdroprecord(&so->so_rcv); |
(void) sbdroprecord(&so->so_rcv); |
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goto release; |
goto release; |
Line 1352 soreceive(struct socket *so, struct mbuf |
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Line 1376 soreceive(struct socket *so, struct mbuf |
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} |
} |
} |
} |
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if (m && atomic) { |
if (m && pr->pr_flags & PR_ATOMIC) { |
flags |= MSG_TRUNC; |
flags |= MSG_TRUNC; |
if ((flags & MSG_PEEK) == 0) |
if ((flags & MSG_PEEK) == 0) |
(void) sbdroprecord(&so->so_rcv); |
(void) sbdroprecord(&so->so_rcv); |
Line 1662 sogetopt(struct socket *so, int level, i |
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Line 1686 sogetopt(struct socket *so, int level, i |
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void |
void |
sohasoutofband(struct socket *so) |
sohasoutofband(struct socket *so) |
{ |
{ |
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fownsignal(so->so_pgid, SIGURG, POLL_PRI, POLLPRI|POLLRDBAND, so); |
fownsignal(so->so_pgid, SIGURG, POLL_PRI, POLLPRI|POLLRDBAND, so); |
selnotify(&so->so_rcv.sb_sel, POLLPRI | POLLRDBAND, 0); |
selwakeup(&so->so_rcv.sb_sel); |
} |
} |
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static void |
static void |
Line 1672 filt_sordetach(struct knote *kn) |
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Line 1695 filt_sordetach(struct knote *kn) |
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{ |
{ |
struct socket *so; |
struct socket *so; |
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so = ((file_t *)kn->kn_obj)->f_data; |
so = (struct socket *)kn->kn_fp->f_data; |
SLIST_REMOVE(&so->so_rcv.sb_sel.sel_klist, kn, knote, kn_selnext); |
SLIST_REMOVE(&so->so_rcv.sb_sel.sel_klist, kn, knote, kn_selnext); |
if (SLIST_EMPTY(&so->so_rcv.sb_sel.sel_klist)) |
if (SLIST_EMPTY(&so->so_rcv.sb_sel.sel_klist)) |
so->so_rcv.sb_flags &= ~SB_KNOTE; |
so->so_rcv.sb_flags &= ~SB_KNOTE; |
Line 1684 filt_soread(struct knote *kn, long hint) |
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Line 1707 filt_soread(struct knote *kn, long hint) |
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{ |
{ |
struct socket *so; |
struct socket *so; |
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so = ((file_t *)kn->kn_obj)->f_data; |
so = (struct socket *)kn->kn_fp->f_data; |
kn->kn_data = so->so_rcv.sb_cc; |
kn->kn_data = so->so_rcv.sb_cc; |
if (so->so_state & SS_CANTRCVMORE) { |
if (so->so_state & SS_CANTRCVMORE) { |
kn->kn_flags |= EV_EOF; |
kn->kn_flags |= EV_EOF; |
Line 1703 filt_sowdetach(struct knote *kn) |
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Line 1726 filt_sowdetach(struct knote *kn) |
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{ |
{ |
struct socket *so; |
struct socket *so; |
|
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so = ((file_t *)kn->kn_obj)->f_data; |
so = (struct socket *)kn->kn_fp->f_data; |
SLIST_REMOVE(&so->so_snd.sb_sel.sel_klist, kn, knote, kn_selnext); |
SLIST_REMOVE(&so->so_snd.sb_sel.sel_klist, kn, knote, kn_selnext); |
if (SLIST_EMPTY(&so->so_snd.sb_sel.sel_klist)) |
if (SLIST_EMPTY(&so->so_snd.sb_sel.sel_klist)) |
so->so_snd.sb_flags &= ~SB_KNOTE; |
so->so_snd.sb_flags &= ~SB_KNOTE; |
Line 1715 filt_sowrite(struct knote *kn, long hint |
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Line 1738 filt_sowrite(struct knote *kn, long hint |
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{ |
{ |
struct socket *so; |
struct socket *so; |
|
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so = ((file_t *)kn->kn_obj)->f_data; |
so = (struct socket *)kn->kn_fp->f_data; |
kn->kn_data = sbspace(&so->so_snd); |
kn->kn_data = sbspace(&so->so_snd); |
if (so->so_state & SS_CANTSENDMORE) { |
if (so->so_state & SS_CANTSENDMORE) { |
kn->kn_flags |= EV_EOF; |
kn->kn_flags |= EV_EOF; |
Line 1738 filt_solisten(struct knote *kn, long hin |
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Line 1761 filt_solisten(struct knote *kn, long hin |
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{ |
{ |
struct socket *so; |
struct socket *so; |
|
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so = ((file_t *)kn->kn_obj)->f_data; |
so = (struct socket *)kn->kn_fp->f_data; |
|
|
/* |
/* |
* Set kn_data to number of incoming connections, not |
* Set kn_data to number of incoming connections, not |
Line 1761 soo_kqfilter(struct file *fp, struct kno |
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Line 1784 soo_kqfilter(struct file *fp, struct kno |
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struct socket *so; |
struct socket *so; |
struct sockbuf *sb; |
struct sockbuf *sb; |
|
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so = ((file_t *)kn->kn_obj)->f_data; |
so = (struct socket *)kn->kn_fp->f_data; |
switch (kn->kn_filter) { |
switch (kn->kn_filter) { |
case EVFILT_READ: |
case EVFILT_READ: |
if (so->so_options & SO_ACCEPTCONN) |
if (so->so_options & SO_ACCEPTCONN) |
Line 1775 soo_kqfilter(struct file *fp, struct kno |
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Line 1798 soo_kqfilter(struct file *fp, struct kno |
|
sb = &so->so_snd; |
sb = &so->so_snd; |
break; |
break; |
default: |
default: |
return (EINVAL); |
return (1); |
} |
} |
SLIST_INSERT_HEAD(&sb->sb_sel.sel_klist, kn, kn_selnext); |
SLIST_INSERT_HEAD(&sb->sb_sel.sel_klist, kn, kn_selnext); |
sb->sb_flags |= SB_KNOTE; |
sb->sb_flags |= SB_KNOTE; |
return (0); |
return (0); |
} |
} |
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static int |
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sodopoll(struct socket *so, int events) |
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{ |
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int revents; |
|
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revents = 0; |
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if (events & (POLLIN | POLLRDNORM)) |
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if (soreadable(so)) |
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revents |= events & (POLLIN | POLLRDNORM); |
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if (events & (POLLOUT | POLLWRNORM)) |
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if (sowritable(so)) |
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revents |= events & (POLLOUT | POLLWRNORM); |
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|
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if (events & (POLLPRI | POLLRDBAND)) |
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if (so->so_oobmark || (so->so_state & SS_RCVATMARK)) |
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revents |= events & (POLLPRI | POLLRDBAND); |
|
|
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return revents; |
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} |
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int |
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sopoll(struct socket *so, int events) |
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{ |
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int revents = 0; |
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int s; |
|
|
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if ((revents = sodopoll(so, events)) != 0) |
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return revents; |
|
|
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KERNEL_LOCK(1, curlwp); |
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s = splsoftnet(); |
|
|
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if ((revents = sodopoll(so, events)) == 0) { |
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if (events & (POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND)) { |
|
selrecord(curlwp, &so->so_rcv.sb_sel); |
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so->so_rcv.sb_flags |= SB_SEL; |
|
} |
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|
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if (events & (POLLOUT | POLLWRNORM)) { |
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selrecord(curlwp, &so->so_snd.sb_sel); |
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so->so_snd.sb_flags |= SB_SEL; |
|
} |
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} |
|
|
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splx(s); |
|
KERNEL_UNLOCK_ONE(curlwp); |
|
|
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return revents; |
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} |
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#include <sys/sysctl.h> |
#include <sys/sysctl.h> |
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static int sysctl_kern_somaxkva(SYSCTLFN_PROTO); |
static int sysctl_kern_somaxkva(SYSCTLFN_PROTO); |