diff options
| author | rmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d> | 2010-11-27 11:55:39 +0000 |
|---|---|---|
| committer | rmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d> | 2010-11-27 11:55:39 +0000 |
| commit | 13158f86e3904284dce3dad36b64f07414459551 (patch) | |
| tree | 12cc7b8d1b808c8c3505bb44cf067bd9ab98b1e6 /mcon/U/d_poll.U | |
| parent | 194d1db97053d853d5f81c362c461d71c05ea80e (diff) | |
Applied mega patch from Christian Biere to greatly improve feature detection
and make a huge step towards better support for cross-compiling.
git-svn-id: svn://svn.code.sf.net/p/dist/code/trunk/dist@34 2592e710-e01b-42a5-8df0-11608a6cc53d
Diffstat (limited to 'mcon/U/d_poll.U')
| -rw-r--r-- | mcon/U/d_poll.U | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/mcon/U/d_poll.U b/mcon/U/d_poll.U index 54db1b8..cc7d659 100644 --- a/mcon/U/d_poll.U +++ b/mcon/U/d_poll.U @@ -15,7 +15,7 @@ ?RCS: Revision 3.0.1.1 1995/01/11 15:26:31 ram ?RCS: patch45: created ?RCS: -?MAKE:d_poll: Inlibc +?MAKE:d_poll: Trylink cat i_poll i_syspoll ?MAKE: -pick add $@ %< ?S:d_poll: ?S: This variable conditionally defines the HAS_POLL symbol, which @@ -31,6 +31,33 @@ ?H:. ?LINT:set d_poll : see if poll exists -set poll d_poll -eval $inlibc +$cat >try.c <<EOC +#include <sys/types.h> +#$i_syspoll I_SYS_POLL +#ifdef I_SYS_POLL +#include <sys/poll.h> +#endif +#$i_poll I_POLL +#ifdef I_POLL +#include <poll.h> +#endif +int main(void) +{ + static int ret, timeout; + static unsigned n; + static struct pollfd pfd; + pfd.fd |= 1; + pfd.revents |= 1; + pfd.events |= POLLIN; + pfd.events |= POLLOUT; + pfd.events |= POLLPRI; + pfd.events |= POLLERR; + pfd.events |= POLLHUP; + pfd.events |= POLLNVAL; + ret |= poll(&pfd, n, timeout); + return ret ? 0 : 1; +} +EOC +set d_poll +eval $trylink |