snapshot of https://github.com/nats-io/nats-server.git (main, 2026-09-15; blobs > 131072B omitted)

server/pse/pse_freebsd_cgo.go

@@ -0,0 +1,85 @@
+// Copyright 2015-2025 The NATS Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build cgo && freebsd
+
+package pse
+
+/*
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
+#include <stddef.h>
+#include <unistd.h>
+
+long pagetok(long size)
+{
+    int pageshift, pagesize;
+
+    pagesize = getpagesize();
+    pageshift = 0;
+
+    while (pagesize > 1) {
+        pageshift++;
+        pagesize >>= 1;
+    }
+
+    return (size << pageshift);
+}
+
+int getusage(double *pcpu, unsigned int *rss, unsigned int *vss)
+{
+    int mib[4], ret;
+    size_t len;
+    struct kinfo_proc kp;
+
+    len = 4;
+    sysctlnametomib("kern.proc.pid", mib, &len);
+
+    mib[3] = getpid();
+    len = sizeof(kp);
+
+    ret = sysctl(mib, 4, &kp, &len, NULL, 0);
+    if (ret != 0) {
+        return (errno);
+    }
+
+    *rss = pagetok(kp.ki_rssize);
+    *vss = kp.ki_size;
+    *pcpu = (double)kp.ki_pctcpu / FSCALE;
+
+    return 0;
+}
+
+*/
+import "C"
+
+import (
+	"syscall"
+)
+
+// This is a placeholder for now.
+func ProcUsage(pcpu *float64, rss, vss *int64) error {
+	var r, v C.uint
+	var c C.double
+
+	if ret := C.getusage(&c, &r, &v); ret != 0 {
+		return syscall.Errno(ret)
+	}
+
+	*pcpu = float64(c)
+	*rss = int64(r)
+	*vss = int64(v)
+
+	return nil
+}