Merge pull request #1208 from jbe/shared_mem_stats

added getTotalSharedMem et al.
2014-05-31 14:33:53 +02:00 · 2014-05-31 14:33:53 +02:00 · 2b72e02ecc
commit 2b72e02ecc
parent eb27c2c7dd f5ed8f3a1b
2 changed files with 30 additions and 0 deletions
--- a/lib/system/alloc.nim
+++ b/lib/system/alloc.nim
@ -835,4 +835,20 @@ template instantiateForRegion(allocator: expr) =
    else:
      result = realloc(p, newsize)

+  when hasThreadSupport:
+
+    template sharedMemStatsShared(v: int) {.immediate.} =
+      acquireSys(heapLock)
+      result = v
+      releaseSys(heapLock)
+
+    proc getFreeSharedMem(): int =
+      sharedMemStatsShared(sharedHeap.freeMem)
+
+    proc getTotalSharedMem(): int =
+      sharedMemStatsShared(sharedHeap.currMem)
+
+    proc getOccupiedSharedMem(): int =
+      sharedMemStatsShared(sharedHeap.currMem - sharedHeap.freeMem)
+
 {.pop.}