version 1.141.4.2, 2007/08/06 11:41:53 |
version 1.142, 2007/09/19 04:33:43 |
Line 79 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 79 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <sys/systm.h> |
#include <sys/systm.h> |
#include <sys/proc.h> |
#include <sys/proc.h> |
#include <sys/file.h> |
#include <sys/file.h> |
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#include <sys/filedesc.h> |
#include <sys/malloc.h> |
#include <sys/malloc.h> |
#include <sys/mbuf.h> |
#include <sys/mbuf.h> |
#include <sys/domain.h> |
#include <sys/domain.h> |
Line 103 POOL_INIT(socket_pool, sizeof(struct soc |
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Line 104 POOL_INIT(socket_pool, sizeof(struct soc |
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MALLOC_DEFINE(M_SOOPTS, "soopts", "socket options"); |
MALLOC_DEFINE(M_SOOPTS, "soopts", "socket options"); |
MALLOC_DEFINE(M_SONAME, "soname", "socket name"); |
MALLOC_DEFINE(M_SONAME, "soname", "socket name"); |
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extern const struct fileops socketops; |
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extern int somaxconn; /* patchable (XXX sysctl) */ |
extern int somaxconn; /* patchable (XXX sysctl) */ |
int somaxconn = SOMAXCONN; |
int somaxconn = SOMAXCONN; |
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Line 427 sokva_reclaim_callback(struct callback_e |
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Line 430 sokva_reclaim_callback(struct callback_e |
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return CALLBACK_CHAIN_CONTINUE; |
return CALLBACK_CHAIN_CONTINUE; |
} |
} |
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struct mbuf * |
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getsombuf(struct socket *so) |
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{ |
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struct mbuf *m; |
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m = m_get(M_WAIT, MT_SONAME); |
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MCLAIM(m, so->so_mowner); |
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return m; |
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} |
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struct mbuf * |
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m_intopt(struct socket *so, int val) |
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{ |
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struct mbuf *m; |
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m = getsombuf(so); |
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m->m_len = sizeof(int); |
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*mtod(m, int *) = val; |
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return m; |
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} |
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void |
void |
soinit(void) |
soinit(void) |
{ |
{ |
Line 510 socreate(int dom, struct socket **aso, i |
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Line 534 socreate(int dom, struct socket **aso, i |
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return 0; |
return 0; |
} |
} |
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/* On success, write file descriptor to fdout and return zero. On |
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* failure, return non-zero; *fdout will be undefined. |
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*/ |
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int |
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fsocreate(int domain, struct socket **sop, int type, int protocol, |
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struct lwp *l, int *fdout) |
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{ |
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struct filedesc *fdp; |
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struct socket *so; |
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struct file *fp; |
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int fd, error; |
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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) |
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return (error); |
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fp->f_flag = FREAD|FWRITE; |
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fp->f_type = DTYPE_SOCKET; |
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fp->f_ops = &socketops; |
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error = socreate(domain, &so, type, protocol, l); |
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if (error != 0) { |
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FILE_UNUSE(fp, l); |
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fdremove(fdp, fd); |
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ffree(fp); |
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} else { |
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if (sop != NULL) |
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*sop = so; |
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fp->f_data = so; |
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FILE_SET_MATURE(fp); |
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FILE_UNUSE(fp, l); |
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*fdout = fd; |
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} |
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return error; |
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} |
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int |
int |
sobind(struct socket *so, struct mbuf *nam, struct lwp *l) |
sobind(struct socket *so, struct mbuf *nam, struct lwp *l) |
{ |
{ |
Line 1397 sorflush(struct socket *so) |
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Line 1456 sorflush(struct socket *so) |
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sbrelease(&asb, so); |
sbrelease(&asb, so); |
} |
} |
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int |
static int |
sosetopt(struct socket *so, int level, int optname, struct mbuf *m0) |
sosetopt1(struct socket *so, int level, int optname, struct mbuf *m) |
{ |
{ |
int error; |
int optval, val; |
struct mbuf *m; |
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struct linger *l; |
struct linger *l; |
struct sockbuf *sb; |
struct sockbuf *sb; |
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struct timeval *tv; |
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error = 0; |
switch (optname) { |
m = m0; |
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if (level != SOL_SOCKET) { |
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if (so->so_proto && so->so_proto->pr_ctloutput) |
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return ((*so->so_proto->pr_ctloutput) |
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(PRCO_SETOPT, so, level, optname, &m0)); |
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error = ENOPROTOOPT; |
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} else { |
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switch (optname) { |
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case SO_LINGER: |
case SO_LINGER: |
if (m == NULL || m->m_len != sizeof(struct linger)) { |
if (m == NULL || m->m_len != sizeof(struct linger)) |
error = EINVAL; |
return EINVAL; |
goto bad; |
l = mtod(m, struct linger *); |
} |
if (l->l_linger < 0 || l->l_linger > USHRT_MAX || |
l = mtod(m, struct linger *); |
l->l_linger > (INT_MAX / hz)) |
if (l->l_linger < 0 || l->l_linger > USHRT_MAX || |
return EDOM; |
l->l_linger > (INT_MAX / hz)) { |
so->so_linger = l->l_linger; |
error = EDOM; |
if (l->l_onoff) |
goto bad; |
so->so_options |= SO_LINGER; |
} |
else |
so->so_linger = l->l_linger; |
so->so_options &= ~SO_LINGER; |
if (l->l_onoff) |
break; |
so->so_options |= SO_LINGER; |
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else |
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so->so_options &= ~SO_LINGER; |
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break; |
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case SO_DEBUG: |
case SO_DEBUG: |
case SO_KEEPALIVE: |
case SO_KEEPALIVE: |
case SO_DONTROUTE: |
case SO_DONTROUTE: |
case SO_USELOOPBACK: |
case SO_USELOOPBACK: |
case SO_BROADCAST: |
case SO_BROADCAST: |
case SO_REUSEADDR: |
case SO_REUSEADDR: |
case SO_REUSEPORT: |
case SO_REUSEPORT: |
case SO_OOBINLINE: |
case SO_OOBINLINE: |
case SO_TIMESTAMP: |
case SO_TIMESTAMP: |
if (m == NULL || m->m_len < sizeof(int)) { |
if (m == NULL || m->m_len < sizeof(int)) |
error = EINVAL; |
return EINVAL; |
goto bad; |
if (*mtod(m, int *)) |
} |
so->so_options |= optname; |
if (*mtod(m, int *)) |
else |
so->so_options |= optname; |
so->so_options &= ~optname; |
else |
break; |
so->so_options &= ~optname; |
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break; |
case SO_SNDBUF: |
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case SO_RCVBUF: |
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case SO_SNDLOWAT: |
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case SO_RCVLOWAT: |
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if (m == NULL || m->m_len < sizeof(int)) |
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return EINVAL; |
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/* |
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* Values < 1 make no sense for any of these |
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* options, so disallow them. |
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*/ |
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optval = *mtod(m, int *); |
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if (optval < 1) |
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return EINVAL; |
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switch (optname) { |
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case SO_SNDBUF: |
case SO_SNDBUF: |
case SO_RCVBUF: |
case SO_RCVBUF: |
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sb = (optname == SO_SNDBUF) ? |
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&so->so_snd : &so->so_rcv; |
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if (sbreserve(sb, (u_long)optval, so) == 0) |
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return ENOBUFS; |
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sb->sb_flags &= ~SB_AUTOSIZE; |
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break; |
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/* |
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* Make sure the low-water is never greater than |
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* the high-water. |
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*/ |
case SO_SNDLOWAT: |
case SO_SNDLOWAT: |
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so->so_snd.sb_lowat = |
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(optval > so->so_snd.sb_hiwat) ? |
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so->so_snd.sb_hiwat : optval; |
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break; |
case SO_RCVLOWAT: |
case SO_RCVLOWAT: |
{ |
so->so_rcv.sb_lowat = |
int optval; |
(optval > so->so_rcv.sb_hiwat) ? |
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so->so_rcv.sb_hiwat : optval; |
if (m == NULL || m->m_len < sizeof(int)) { |
break; |
error = EINVAL; |
} |
goto bad; |
break; |
} |
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/* |
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* Values < 1 make no sense for any of these |
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* options, so disallow them. |
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*/ |
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optval = *mtod(m, int *); |
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if (optval < 1) { |
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error = EINVAL; |
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goto bad; |
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} |
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switch (optname) { |
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case SO_SNDBUF: |
case SO_SNDTIMEO: |
case SO_RCVBUF: |
case SO_RCVTIMEO: |
sb = (optname == SO_SNDBUF) ? |
if (m == NULL || m->m_len < sizeof(*tv)) |
&so->so_snd : &so->so_rcv; |
return EINVAL; |
if (sbreserve(sb, (u_long)optval, so) == 0) { |
tv = mtod(m, struct timeval *); |
error = ENOBUFS; |
if (tv->tv_sec > (INT_MAX - tv->tv_usec / tick) / hz) |
goto bad; |
return EDOM; |
} |
val = tv->tv_sec * hz + tv->tv_usec / tick; |
sb->sb_flags &= ~SB_AUTOSIZE; |
if (val == 0 && tv->tv_usec != 0) |
break; |
val = 1; |
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/* |
switch (optname) { |
* Make sure the low-water is never greater than |
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* the high-water. |
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*/ |
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case SO_SNDLOWAT: |
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so->so_snd.sb_lowat = |
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(optval > so->so_snd.sb_hiwat) ? |
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so->so_snd.sb_hiwat : optval; |
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break; |
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case SO_RCVLOWAT: |
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so->so_rcv.sb_lowat = |
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(optval > so->so_rcv.sb_hiwat) ? |
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so->so_rcv.sb_hiwat : optval; |
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break; |
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} |
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break; |
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} |
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case SO_SNDTIMEO: |
case SO_SNDTIMEO: |
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so->so_snd.sb_timeo = val; |
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break; |
case SO_RCVTIMEO: |
case SO_RCVTIMEO: |
{ |
so->so_rcv.sb_timeo = val; |
struct timeval *tv; |
break; |
int val; |
} |
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break; |
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if (m == NULL || m->m_len < sizeof(*tv)) { |
default: |
error = EINVAL; |
return ENOPROTOOPT; |
goto bad; |
} |
} |
return 0; |
tv = mtod(m, struct timeval *); |
} |
if (tv->tv_sec > (INT_MAX - tv->tv_usec / tick) / hz) { |
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error = EDOM; |
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goto bad; |
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} |
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val = tv->tv_sec * hz + tv->tv_usec / tick; |
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if (val == 0 && tv->tv_usec != 0) |
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val = 1; |
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switch (optname) { |
int |
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sosetopt(struct socket *so, int level, int optname, struct mbuf *m) |
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{ |
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int error, prerr; |
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case SO_SNDTIMEO: |
if (level == SOL_SOCKET) |
so->so_snd.sb_timeo = val; |
error = sosetopt1(so, level, optname, m); |
break; |
else |
case SO_RCVTIMEO: |
error = ENOPROTOOPT; |
so->so_rcv.sb_timeo = val; |
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break; |
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} |
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break; |
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} |
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default: |
if ((error == 0 || error == ENOPROTOOPT) && |
error = ENOPROTOOPT; |
so->so_proto != NULL && so->so_proto->pr_ctloutput != NULL) { |
break; |
/* give the protocol stack a shot */ |
} |
prerr = (*so->so_proto->pr_ctloutput)(PRCO_SETOPT, so, level, |
if (error == 0 && so->so_proto && so->so_proto->pr_ctloutput) { |
optname, &m); |
(void) ((*so->so_proto->pr_ctloutput) |
if (prerr == 0) |
(PRCO_SETOPT, so, level, optname, &m0)); |
error = 0; |
m = NULL; /* freed by protocol */ |
else if (prerr != ENOPROTOOPT) |
} |
error = prerr; |
} |
} else if (m != NULL) |
bad: |
(void)m_free(m); |
if (m) |
return error; |
(void) m_free(m); |
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return (error); |
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} |
} |
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int |
int |