cpu_freq: Port to OpenBSD

[slstatus.git] / components / cpu.c

diff --git a/components/cpu.c b/components/cpu.c
index a001d14..11e2e98 100644 (file)
--- a/components/cpu.c
+++ b/components/cpu.c
@@ -1,10 +1,14 @@
 /* See LICENSE file for copyright and license details. */
-#if defined(__linux__)
+#include <errno.h>
 #include <stdio.h>
 #include <string.h>
+#if defined(__OpenBSD__)
+#include <sys/sysctl.h>
+#endif
 
 #include "../util.h"
 
+#if defined(__linux__)
 const char *
 cpu_freq(void)
 {
@@ -62,4 +66,23 @@ cpu_iowait(void)
 
        return bprintf("%d", perc);
 }
+#elif defined(__OpenBSD__)
+const char *
+cpu_freq(void)
+{
+       int freq, mib[2];
+       size_t size;
+
+       mib[0] = CTL_HW;
+       mib[1] = HW_CPUSPEED;
+
+       size = sizeof(freq);
+
+       if (sysctl(mib, 2, &freq, &size, NULL, 0) == -1) {
+               fprintf(stderr, "sysctl 'HW_CPUSPEED': %s\n", strerror(errno));
+               return NULL;
+       }
+
+       return bprintf("%d", freq);
+}
 #endif