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-rw-r--r--digital/ucoolib/ucoolib/arch/arch.host.cc13
1 files changed, 13 insertions, 0 deletions
diff --git a/digital/ucoolib/ucoolib/arch/arch.host.cc b/digital/ucoolib/ucoolib/arch/arch.host.cc
index 1e242544..ed8c503e 100644
--- a/digital/ucoolib/ucoolib/arch/arch.host.cc
+++ b/digital/ucoolib/ucoolib/arch/arch.host.cc
@@ -26,6 +26,8 @@
#include <cstdlib>
#include <cstdio>
+#include <time.h>
+#include <errno.h>
namespace ucoo {
@@ -60,4 +62,15 @@ halt_perror ()
abort ();
}
+void
+yield ()
+{
+ // Do a small delay.
+ struct timespec ts;
+ ts.tv_sec = 0;
+ ts.tv_nsec = 100 * 1000 * 1000;
+ while (nanosleep (&ts, &ts) == -1 && errno == EINTR)
+ ;
+}
+
} // namespace ucoo