Changeset 1d2a1a9 in mainline for uspace/lib/posix/stdlib.c

Timestamp:

2011-08-17T20:44:32Z (13 years ago)

Author:

Petr Koupy <petr.koupy@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

0cc32f2

Parents:

bb285b4 (diff), c53a705 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge libposix changes.

File:

• uspace/lib/posix/stdlib.c (modified) (3 diffs)

uspace/lib/posix/stdlib.c

@@ -49 +49 @@
 #include "libc/str.h"
 #include "libc/vfs/vfs.h"
+#include "libc/stats.h"
 
 /**
@@ -473 +474 @@
  * Get system load average statistics.
  *
- * Not supported. Always returns -1.
- *
  * @param loadavg Array where the load averages shall be placed.
  * @param nelem Maximum number of elements to be placed into the array.
@@ -481 +480 @@
 int bsd_getloadavg(double loadavg[], int nelem)
 {
-        return -1;
+        assert(nelem > 0);
+        
+        size_t count;
+        load_t *loads = stats_get_load(&count);
+        
+        if (loads == NULL) {
+                return -1;
+        }
+        
+        if (((size_t) nelem) < count) {
+                count = nelem;
+        }
+        
+        for (size_t i = 0; i < count; ++i) {
+                loadavg[i] = (double) loads[i];
+        }
+        
+        free(loads);
+        return count;
 }