version 1.23, 2003/10/28 09:08:06 |
version 1.23.2.1, 2004/08/19 04:13:26 |
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} |
} |
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/* set/unset filedescriptor to non-blocking */ |
/* set/unset filedescriptor to non-blocking */ |
void |
int |
set_nonblock(int fd) |
set_nonblock(int fd) |
{ |
{ |
int val; |
int val; |
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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; |
return (-1); |
} |
} |
if (val & O_NONBLOCK) { |
if (val & O_NONBLOCK) { |
debug2("fd %d is O_NONBLOCK", fd); |
debug3("fd %d is O_NONBLOCK", fd); |
return; |
return (0); |
} |
} |
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", |
debug("fcntl(%d, F_SETFL, O_NONBLOCK): %s", fd, |
fd, strerror(errno)); |
strerror(errno)); |
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return (-1); |
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} |
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return (0); |
} |
} |
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void |
int |
unset_nonblock(int fd) |
unset_nonblock(int fd) |
{ |
{ |
int val; |
int val; |
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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; |
return (-1); |
} |
} |
if (!(val & O_NONBLOCK)) { |
if (!(val & O_NONBLOCK)) { |
debug2("fd %d is not O_NONBLOCK", fd); |
debug3("fd %d is not O_NONBLOCK", fd); |
return; |
return (0); |
} |
} |
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)); |
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return (-1); |
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} |
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return (0); |
} |
} |
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/* disable nagle on socket */ |
/* disable nagle on socket */ |
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{ |
{ |
va_list ap; |
va_list ap; |
char buf[1024]; |
char buf[1024]; |
int nalloc; |
u_int nalloc; |
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va_start(ap, fmt); |
va_start(ap, fmt); |
vsnprintf(buf, sizeof(buf), fmt, ap); |
vsnprintf(buf, sizeof(buf), fmt, ap); |