version 1.21.2.2, 2004/08/19 22:37:31 |
version 1.22, 2003/09/18 08:49:45 |
|
|
} |
} |
|
|
/* set/unset filedescriptor to non-blocking */ |
/* set/unset filedescriptor to non-blocking */ |
int |
void |
set_nonblock(int fd) |
set_nonblock(int fd) |
{ |
{ |
int val; |
int val; |
|
|
val = fcntl(fd, F_GETFL, 0); |
val = fcntl(fd, F_GETFL, 0); |
if (val < 0) { |
if (val < 0) { |
error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno)); |
error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno)); |
return (-1); |
return; |
} |
} |
if (val & O_NONBLOCK) { |
if (val & O_NONBLOCK) { |
debug3("fd %d is O_NONBLOCK", fd); |
debug2("fd %d is O_NONBLOCK", fd); |
return (0); |
return; |
} |
} |
debug2("fd %d setting O_NONBLOCK", fd); |
debug2("fd %d setting O_NONBLOCK", fd); |
val |= O_NONBLOCK; |
val |= O_NONBLOCK; |
if (fcntl(fd, F_SETFL, val) == -1) { |
if (fcntl(fd, F_SETFL, val) == -1) |
debug("fcntl(%d, F_SETFL, O_NONBLOCK): %s", fd, |
debug("fcntl(%d, F_SETFL, O_NONBLOCK): %s", |
strerror(errno)); |
fd, strerror(errno)); |
return (-1); |
|
} |
|
return (0); |
|
} |
} |
|
|
int |
void |
unset_nonblock(int fd) |
unset_nonblock(int fd) |
{ |
{ |
int val; |
int val; |
|
|
val = fcntl(fd, F_GETFL, 0); |
val = fcntl(fd, F_GETFL, 0); |
if (val < 0) { |
if (val < 0) { |
error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno)); |
error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno)); |
return (-1); |
return; |
} |
} |
if (!(val & O_NONBLOCK)) { |
if (!(val & O_NONBLOCK)) { |
debug3("fd %d is not O_NONBLOCK", fd); |
debug2("fd %d is not O_NONBLOCK", fd); |
return (0); |
return; |
} |
} |
debug("fd %d clearing O_NONBLOCK", fd); |
debug("fd %d clearing O_NONBLOCK", fd); |
val &= ~O_NONBLOCK; |
val &= ~O_NONBLOCK; |
if (fcntl(fd, F_SETFL, val) == -1) { |
if (fcntl(fd, F_SETFL, val) == -1) |
debug("fcntl(%d, F_SETFL, ~O_NONBLOCK): %s", |
debug("fcntl(%d, F_SETFL, O_NONBLOCK): %s", |
fd, strerror(errno)); |
fd, strerror(errno)); |
return (-1); |
|
} |
|
return (0); |
|
} |
} |
|
|
/* disable nagle on socket */ |
/* disable nagle on socket */ |
|
|
|
|
optlen = sizeof opt; |
optlen = sizeof opt; |
if (getsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &opt, &optlen) == -1) { |
if (getsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &opt, &optlen) == -1) { |
debug("getsockopt TCP_NODELAY: %.100s", strerror(errno)); |
error("getsockopt TCP_NODELAY: %.100s", strerror(errno)); |
return; |
return; |
} |
} |
if (opt == 1) { |
if (opt == 1) { |
|
|
{ |
{ |
va_list ap; |
va_list ap; |
char buf[1024]; |
char buf[1024]; |
u_int nalloc; |
int nalloc; |
|
|
va_start(ap, fmt); |
va_start(ap, fmt); |
vsnprintf(buf, sizeof(buf), fmt, ap); |
vsnprintf(buf, sizeof(buf), fmt, ap); |