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Diffstat (limited to 'mcon/U/d_itimer.U')
| -rw-r--r-- | mcon/U/d_itimer.U | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/mcon/U/d_itimer.U b/mcon/U/d_itimer.U new file mode 100644 index 0000000..b7018a1 --- /dev/null +++ b/mcon/U/d_itimer.U @@ -0,0 +1,46 @@ +?RCS: $Id$ +?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 <<EOC +#include <sys/time.h> +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 + |