Add the files

5 files changed, 73 insertions, 0 deletions

diff --git a/src/detection/loadavg/loadavg.h b/src/detection/loadavg/loadavg.h
new file mode 100644
index 0000000..4cfa696
--- /dev/null
+++ b/src/detection/loadavg/loadavg.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#include "fastfetch.h"
+
+const char* ffDetectLoadavg(double result[3]);
diff --git a/src/detection/loadavg/loadavg_bsd.c b/src/detection/loadavg/loadavg_bsd.c
new file mode 100644
index 0000000..83896b2
--- /dev/null
+++ b/src/detection/loadavg/loadavg_bsd.c
@@ -0,0 +1,23 @@
+#include "detection/loadavg/loadavg.h"
+
+#include <sys/sysctl.h>
+
+#if __FreeBSD__ || __OpenBSD__ || __NetBSD__
+    #include <sys/types.h>
+    #include <sys/resource.h>
+    #if __FreeBSD__
+        #include <vm/vm_param.h>
+    #endif
+#endif
+
+const char* ffDetectLoadavg(double result[3]) {
+    struct loadavg load;
+    size_t size = sizeof(load);
+    if (sysctl((int[]) { CTL_VM, VM_LOADAVG }, 2, &load, &size, NULL, 0) < 0) {
+        return "sysctl({CTL_VM, VM_LOADAVG}) failed";
+    }
+    for (int i = 0; i < 3; i++) {
+        result[i] = (double) load.ldavg[i] / (double) load.fscale;
+    }
+    return NULL;
+}
diff --git a/src/detection/loadavg/loadavg_linux.c b/src/detection/loadavg/loadavg_linux.c
new file mode 100644
index 0000000..a169312
--- /dev/null
+++ b/src/detection/loadavg/loadavg_linux.c
@@ -0,0 +1,33 @@
+#include "detection/loadavg/loadavg.h"
+#include "common/io.h"
+
+#include <sys/sysinfo.h>
+
+const char* ffDetectLoadavg(double result[3]) {
+#ifndef __ANDROID__ // cat: /proc/loadavg: Permission denied
+
+    // Don't use syscall for container compatibility. #620
+    char buf[64];
+    ssize_t nRead = ffReadFileData("/proc/loadavg", sizeof(buf) - 1, buf);
+    if (nRead > 0) {
+        buf[nRead] = '\0';
+
+        if (sscanf(buf, "%lf%lf%lf", &result[0], &result[1], &result[2]) == 3) {
+            return NULL;
+        }
+    }
+
+#endif
+#ifndef __GNU__
+    // getloadavg requires higher ANDROID_API version
+    struct sysinfo si;
+    if (sysinfo(&si) < 0) {
+        return "sysinfo() failed";
+    }
+
+    for (int i = 0; i < 3; i++) {
+        result[i] = (double) si.loads[i] / (1 << SI_LOAD_SHIFT);
+    }
+#endif
+    return NULL;
+}
diff --git a/src/detection/loadavg/loadavg_nosupport.c b/src/detection/loadavg/loadavg_nosupport.c
new file mode 100644
index 0000000..f14c717
--- /dev/null
+++ b/src/detection/loadavg/loadavg_nosupport.c
@@ -0,0 +1,5 @@
+#include "detection/loadavg/loadavg.h"
+
+const char* ffDetectLoadavg(FF_A_UNUSED double result[3]) {
+    return "Not supported on this platform";
+}
diff --git a/src/detection/loadavg/loadavg_sunos.c b/src/detection/loadavg/loadavg_sunos.c
new file mode 100644
index 0000000..91e3edd
--- /dev/null
+++ b/src/detection/loadavg/loadavg_sunos.c
@@ -0,0 +1,7 @@
+#include "detection/loadavg/loadavg.h"
+
+#include <sys/loadavg.h>
+
+const char* ffDetectLoadavg(double result[3]) {
+    return getloadavg(result, 3) == 3 ? NULL : "getloadavg() failed";
+}