812 |
|
enable_epoll |
813 |
|
enable_devpoll |
814 |
|
enable_poll |
815 |
– |
enable_select |
815 |
|
enable_debugging |
816 |
|
enable_warnings |
817 |
|
' |
1467 |
|
--enable-epoll Force epoll usage. |
1468 |
|
--enable-devpoll Force devpoll usage. |
1469 |
|
--enable-poll Force poll usage. |
1471 |
– |
--enable-select Force select usage. |
1470 |
|
--enable-debugging Enable debugging. |
1471 |
|
--enable-warnings Enable compiler warnings. |
1472 |
|
|
14217 |
|
enableval=$enable_poll; desired_iopoll_mechanism="poll" |
14218 |
|
fi |
14219 |
|
|
14222 |
– |
# Check whether --enable-select was given. |
14223 |
– |
if test "${enable_select+set}" = set; then : |
14224 |
– |
enableval=$enable_select; desired_iopoll_mechanism="select" |
14225 |
– |
fi |
14226 |
– |
|
14220 |
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for optimal/desired iopoll mechanism" >&5 |
14221 |
|
$as_echo_n "checking for optimal/desired iopoll mechanism... " >&6; } |
14222 |
|
iopoll_mechanism_none=0 |
14444 |
|
fi |
14445 |
|
rm -f core conftest.err conftest.$ac_objext \ |
14446 |
|
conftest$ac_exeext conftest.$ac_ext |
14454 |
– |
iopoll_mechanism_select=5 |
14455 |
– |
|
14456 |
– |
cat >>confdefs.h <<_ACEOF |
14457 |
– |
#define __IOPOLL_MECHANISM_SELECT $iopoll_mechanism_select |
14458 |
– |
_ACEOF |
14459 |
– |
|
14460 |
– |
cat confdefs.h - <<_ACEOF >conftest.$ac_ext |
14461 |
– |
/* end confdefs.h. */ |
14462 |
– |
/* Define select to an innocuous variant, in case <limits.h> declares select. |
14463 |
– |
For example, HP-UX 11i <limits.h> declares gettimeofday. */ |
14464 |
– |
#define select innocuous_select |
14465 |
– |
|
14466 |
– |
/* System header to define __stub macros and hopefully few prototypes, |
14467 |
– |
which can conflict with char select (); below. |
14468 |
– |
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since |
14469 |
– |
<limits.h> exists even on freestanding compilers. */ |
14470 |
– |
|
14471 |
– |
#ifdef __STDC__ |
14472 |
– |
# include <limits.h> |
14473 |
– |
#else |
14474 |
– |
# include <assert.h> |
14475 |
– |
#endif |
14476 |
– |
|
14477 |
– |
#undef select |
14478 |
– |
|
14479 |
– |
/* Override any GCC internal prototype to avoid an error. |
14480 |
– |
Use char because int might match the return type of a GCC |
14481 |
– |
builtin and then its argument prototype would still apply. */ |
14482 |
– |
#ifdef __cplusplus |
14483 |
– |
extern "C" |
14484 |
– |
#endif |
14485 |
– |
char select (); |
14486 |
– |
/* The GNU C library defines this for functions which it implements |
14487 |
– |
to always fail with ENOSYS. Some functions are actually named |
14488 |
– |
something starting with __ and the normal name is an alias. */ |
14489 |
– |
#if defined __stub_select || defined __stub___select |
14490 |
– |
choke me |
14491 |
– |
#endif |
14492 |
– |
|
14493 |
– |
int |
14494 |
– |
main () |
14495 |
– |
{ |
14496 |
– |
return select (); |
14497 |
– |
; |
14498 |
– |
return 0; |
14499 |
– |
} |
14500 |
– |
_ACEOF |
14501 |
– |
if ac_fn_c_try_link "$LINENO"; then : |
14502 |
– |
is_select_mechanism_available="yes" |
14503 |
– |
else |
14504 |
– |
is_select_mechanism_available="no" |
14505 |
– |
fi |
14506 |
– |
rm -f core conftest.err conftest.$ac_objext \ |
14507 |
– |
conftest$ac_exeext conftest.$ac_ext |
14447 |
|
optimal_iopoll_mechanism="none" |
14448 |
< |
for mechanism in "kqueue" "epoll" "devpoll" "poll" "select" ; do # order is important |
14448 |
> |
for mechanism in "kqueue" "epoll" "devpoll" "poll" ; do # order is important |
14449 |
|
eval "is_optimal_iopoll_mechanism_available=\$is_${mechanism}_mechanism_available" |
14450 |
|
if test "$is_optimal_iopoll_mechanism_available" = "yes" ; then |
14451 |
|
optimal_iopoll_mechanism="$mechanism" |