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Diffstat (limited to 'mcon/U/d_sched_yield.U')
| -rw-r--r-- | mcon/U/d_sched_yield.U | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/mcon/U/d_sched_yield.U b/mcon/U/d_sched_yield.U new file mode 100644 index 0000000..0627e3d --- /dev/null +++ b/mcon/U/d_sched_yield.U @@ -0,0 +1,36 @@ +?RCS: Copyright (c) 2012, 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: +?MAKE:d_sched_yield: Trylink cat +?MAKE: -pick add $@ %< +?S:d_sched_yield: +?S: This variable conditionally defines the HAS_SCHED_YIELD symbol, which +?S: indicates to the C program that the sched_yield() routine is available +?S: to yield the CPU. +?S:. +?C:HAS_SCHED_YIELD : +?C: This symbol, if defined, indicates that the sched_yield() routine is +?C: available to yield the CPU. +?C:. +?H:#$d_sched_yield HAS_SCHED_YIELD /**/ +?H:. +?LINT:set d_sched_yield +: see if sched_yield exists +$cat >try.c <<EOC +#include <sched.h> +int main(void) +{ + static int ret; + ret |= sched_yield(); + return ret ? 0 : 1; +} +EOC +cyn=sched_yield +set d_sched_yield +eval $trylink + |