path: root/mcon/U/d_sched_yield.U
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authorManoj Srivastava <>2014-04-27 18:05:39 -0700
committerManoj Srivastava <>2014-04-27 18:05:39 -0700
commit7d4c02d5c9108aa413fbb0ffa1dc8a39bc5f54a1 (patch)
tree2abb9ad01d397bc1e208f57f528c1ec529761392 /mcon/U/d_sched_yield.U
parent5c913c35c09a82eead2c07534baa709a5dead3e7 (diff)
parent8f5e5726134ce5b4bd436b16f367796d851df553 (diff)
Merge branch 'upstream'
Signed-off-by: Manoj Srivastava <> Conflicts: jmake/
Diffstat (limited to 'mcon/U/d_sched_yield.U')
1 files changed, 36 insertions, 0 deletions
diff --git a/mcon/U/d_sched_yield.U b/mcon/U/d_sched_yield.U
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+?RCS: Copyright (c) 2012, Raphael Manfredi
+?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.
+?MAKE:d_sched_yield: Trylink cat
+?MAKE: -pick add $@ %<
+?S: This variable conditionally defines the HAS_SCHED_YIELD symbol, which
+?S: indicates to the C program that the sched_yield() routine is available
+?S: to yield the CPU.
+?C: This symbol, if defined, indicates that the sched_yield() routine is
+?C: available to yield the CPU.
+?H:#$d_sched_yield HAS_SCHED_YIELD /**/
+?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;
+set d_sched_yield
+eval $trylink