Add the files

1 files changed, 33 insertions, 0 deletions

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;
+}