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Diffstat (limited to 'mcon/U/d_kqueue.U')
| -rw-r--r-- | mcon/U/d_kqueue.U | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/mcon/U/d_kqueue.U b/mcon/U/d_kqueue.U new file mode 100644 index 0000000..a69cf0b --- /dev/null +++ b/mcon/U/d_kqueue.U @@ -0,0 +1,57 @@ +?RCS: $Id: d_kqueue.U 167 2013-05-08 17:58:00Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 2006, Christian Biere +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?MAKE:d_kqueue: Trylink cat +?MAKE: -pick add $@ %< +?S:d_kqueue: +?S: This variable conditionally defines the HAS_KQUEUE symbol, which +?S: indicates to the C program that kqueue() support is available. +?S:. +?C:HAS_KQUEUE: +?C: This symbol is defined when kqueue() can be used. +?C:. +?H:#$d_kqueue HAS_KQUEUE +?H:. +?LINT: set d_kqueue +: can we use kqueue? +$cat >try.c <<'EOC' +#include <sys/types.h> +#include <sys/event.h> +#include <sys/time.h> +int main(void) +{ + static struct kevent changes, events; + static struct timespec ts; + static unsigned long filter; + static int kq, fd; + static unsigned long flags; + filter |= EVFILT_READ; + filter |= EVFILT_WRITE; + filter |= EVFILT_SIGNAL; + filter |= EVFILT_VNODE; + filter |= EVFILT_PROC; + flags |= EV_ADD; + flags |= EV_ENABLE; + flags |= EV_ONESHOT; + flags |= EV_CLEAR; + flags |= EV_EOF; + flags |= EV_ERROR; + flags |= EV_DISABLE; + flags |= EV_DELETE; + EV_SET(&changes, fd, filter, flags, 0, 0, 0); + kq |= kqueue(); + kevent(kq, &changes, 1, &events, 1, &ts); + return 0; +} +EOC +cyn=kqueue +set d_kqueue +eval $trylink + |