2 files changed, 11 insertions, 11 deletions
diff --git a/lib/system/channels.nim b/lib/system/channels.nim
index c2456c9c1..4a37bcc14 100755
--- a/lib/system/channels.nim
+++ b/lib/system/channels.nim
@@ -25,7 +25,7 @@ type
     ready: bool
     region: TMemRegion
   PRawChannel = ptr TRawChannel
-  TLoadStoreMode = enum mStore, mLoad
+  TLoadStoreMode = enum mStore, mLoad
   TChannel*[TMsg] = TRawChannel ## a channel for thread communication
 
 const ChannelDeadMask = -2
@@ -45,7 +45,7 @@ proc deinitRawChannel(p: pointer) =
   deinitSys(c.lock)
   deinitSysCond(c.cond)
 
-proc storeAux(dest, src: Pointer, mt: PNimType, t: PRawChannel, 
+proc storeAux(dest, src: Pointer, mt: PNimType, t: PRawChannel, 
               mode: TLoadStoreMode)
 proc storeAux(dest, src: Pointer, n: ptr TNimNode, t: PRawChannel,
               mode: TLoadStoreMode) =
@@ -62,14 +62,14 @@ proc storeAux(dest, src: Pointer, n: ptr TNimNode, t: PRawChannel,
             n.typ.size)
     var m = selectBranch(src, n)
     if m != nil: storeAux(dest, src, m, t, mode)
-  of nkNone: sysAssert(false)
+  of nkNone: sysAssert(false, "storeAux")
 
 proc storeAux(dest, src: Pointer, mt: PNimType, t: PRawChannel, 
               mode: TLoadStoreMode) =
   var
     d = cast[TAddress](dest)
     s = cast[TAddress](src)
-  sysAssert(mt != nil)
+  sysAssert(mt != nil, "mt == nil")
   case mt.Kind
   of tyString:
     if mode == mStore:
@@ -100,7 +100,7 @@ proc storeAux(dest, src: Pointer, mt: PNimType, t: PRawChannel,
       else:
         unsureAsgnRef(x, nil)
     else:
-      sysAssert(dest != nil)
+      sysAssert(dest != nil, "dest == nil")
       if mode == mStore:
         x[] = Alloc(t.region, seq.len *% mt.base.size +% GenericSeqSize)
       else:
@@ -140,8 +140,8 @@ proc storeAux(dest, src: Pointer, mt: PNimType, t: PRawChannel,
       if mode == mStore:
         x[] = Alloc(t.region, mt.base.size)
       else:
-        # XXX we should use the dynamic type here too, but that is not stored
-        # in the inbox at all --> use source[]'s object type? but how? we need
+        # XXX we should use the dynamic type here too, but that is not stored
+        # in the inbox at all --> use source[]'s object type? but how? we need
         # a tyRef to the object!
         var obj = newObj(mt.base, mt.base.size)
         unsureAsgnRef(x, obj)
@@ -237,8 +237,8 @@ proc close*[TMsg](c: var TChannel[TMsg]) =
   deinitRawChannel(addr(c))
 
 proc ready*[TMsg](c: var TChannel[TMsg]): bool =
-  ## returns true iff some thread is waiting on the channel `c` for
+  ## returns true iff some thread is waiting on the channel `c` for
   ## new messages.
   var q = cast[PRawChannel](addr(c))
   result = q.ready
-
+
diff --git a/lib/system/threads.nim b/lib/system/threads.nim
index 7c26cf8ee..08184acce 100755
--- a/lib/system/threads.nim
+++ b/lib/system/threads.nim
@@ -221,7 +221,7 @@ when not defined(useNimRtl):
       t.prev = nil
       t.next = threadList
       if threadList != nil: 
-        sysAssert(threadList.prev == nil)
+        sysAssert(threadList.prev == nil, "threadList.prev == nil")
         threadList.prev = t
       threadList = t
       ReleaseSys(HeapLock)
@@ -315,7 +315,7 @@ proc joinThreads*[TArg](t: openArray[TThread[TArg]]) =
   ## waits for every thread in `t` to finish.
   when hostOS == "windows":
     var a: array[0..255, TSysThread]
-    sysAssert a.len >= t.len
+    sysAssert a.len >= t.len, "a.len >= t.len"
     for i in 0..t.high: a[i] = t[i].sys
     discard WaitForMultipleObjects(t.len, cast[ptr TSysThread](addr(a)), 1, -1)
   else: