version 1.141.2.4, 2008/03/23 02:05:01 |
version 1.149, 2007/12/05 17:19:59 |
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/* uipc_socket.c,v 1.141.2.3 2008/01/09 01:56:28 matt Exp */ |
/* $NetBSD$ */ |
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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 |
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*/ |
*/ |
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#include <sys/cdefs.h> |
#include <sys/cdefs.h> |
__KERNEL_RCSID(0, "uipc_socket.c,v 1.141.2.3 2008/01/09 01:56:28 matt Exp"); |
__KERNEL_RCSID(0, "$NetBSD$"); |
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#include "opt_sock_counters.h" |
#include "opt_sock_counters.h" |
#include "opt_sosend_loan.h" |
#include "opt_sosend_loan.h" |
Line 280 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; |
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Line 299 sodopendfree(void) |
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Line 299 sodopendfree(void) |
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*/ |
*/ |
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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; |
Line 580 sobind(struct socket *so, struct mbuf *n |
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Line 580 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; |
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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 660 soclose(struct socket *so) |
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Line 660 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) && |
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(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 869 sosend(struct socket *so, struct mbuf *a |
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Line 870 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 1109 soreceive(struct socket *so, struct mbuf |
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Line 1110 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 1682 sogetopt(struct socket *so, int level, i |
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Line 1683 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 1802 soo_kqfilter(struct file *fp, struct kno |
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Line 1802 soo_kqfilter(struct file *fp, struct kno |
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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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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)) { |
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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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} |
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splx(s); |
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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); |