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-rw-r--r--lib/thread/ncpu+openbsd.myr23
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/thread/ncpu+openbsd.myr b/lib/thread/ncpu+openbsd.myr
new file mode 100644
index 0000000..1aa3dc1
--- /dev/null
+++ b/lib/thread/ncpu+openbsd.myr
@@ -0,0 +1,23 @@
+use std
+use sys
+
+pkg thread =
+ const ncpu : (-> int)
+;;
+
+const ncpu = {
+ var mib : int[2]
+ var ncpu : int
+ var ncpusz
+ var res
+
+ mib[0] = 6 /* CTL_HW */
+ mib[1] = 3 /* HW_NCPU */
+ ncpusz = sizeof(int)
+
+ res = sys.sysctl(mib[:], (&ncpu : void#), &ncpusz, (0 : void#), (0 : sys.size#))
+ if res < 0 || ncpu <= 0
+ -> 1
+ ;;
+ -> ncpu
+}