?RCS: $Id: d_itimer.U 167 2013-05-08 17:58:00Z rmanfredi $ ?RCS: ?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi ?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: ?RCS: $Log: d_itimer.U,v $ ?RCS: Revision 3.0 1993/08/18 12:06:25 ram ?RCS: Baseline for dist 3.0 netwide release. ?RCS: ?MAKE:d_itimer: Trylink cat ?MAKE: -pick add $@ %< ?S:d_itimer: ?S: This variable conditionally defines the HAS_ITIMER symbol, which ?S: indicates that the setitimer() routine exists. The setitimer() ?S: routine supports sub-second accuracy for one real-time and two ?S: cpu clocks. ?S:. ?C:HAS_ITIMER (ITIMER): ?C: This symbol, if defined, indicates that the setitimer() routine exists. ?C:. ?H:#$d_itimer HAS_ITIMER /**/ ?H:. ?LINT:set d_itimer : see if setitimer exists $cat >try.c < int main(void) { static int ret; static struct itimerval val, old; ret |= setitimer(ITIMER_REAL, &val, &old); ret |= setitimer(ITIMER_VIRTUAL, &val, &old); ret |= setitimer(ITIMER_PROF, &val, &old); return ret ? 0 : 1; } EOC cyn=setitimer set d_itimer eval $trylink