1 files changed, 0 insertions, 76 deletions
diff --git a/lib/system/atomics.nim b/lib/system/atomics.nim
deleted file mode 100755
index 623f8d0d2..000000000
--- a/lib/system/atomics.nim
+++ /dev/null
@@ -1,76 +0,0 @@
-#
-#
-#            Nimrod's Runtime Library
-#        (c) Copyright 2012 Andreas Rumpf
-#
-#    See the file "copying.txt", included in this
-#    distribution, for details about the copyright.
-#
-
-# Atomic operations for Nimrod.
-
-when (defined(gcc) or defined(llvm_gcc)) and hasThreadSupport and 
-    not defined(windows):
-  proc sync_add_and_fetch(p: var int, val: int): int {.
-    importc: "__sync_add_and_fetch", nodecl.}
-  proc sync_sub_and_fetch(p: var int, val: int): int {.
-    importc: "__sync_sub_and_fetch", nodecl.}
-elif defined(vcc) and hasThreadSupport:
-  proc sync_add_and_fetch(p: var int, val: int): int {.
-    importc: "NimXadd", nodecl.}
-else:
-  proc sync_add_and_fetch(p: var int, val: int): int {.inline.} =
-    inc(p, val)
-    result = p
-
-proc atomicInc(memLoc: var int, x: int = 1): int =
-  when hasThreadSupport:
-    result = sync_add_and_fetch(memLoc, x)
-  else:
-    inc(memLoc, x)
-    result = memLoc
-  
-proc atomicDec(memLoc: var int, x: int = 1): int =
-  when hasThreadSupport:
-    when defined(sync_sub_and_fetch):
-      result = sync_sub_and_fetch(memLoc, x)
-    else:
-      result = sync_add_and_fetch(memLoc, -x)
-  else:
-    dec(memLoc, x)
-    result = memLoc  
-
-
-# atomic compare and swap (CAS) funcitons to implement lock-free algorithms
-
-when (defined(gcc) or defined(llvm_gcc)) and hasThreadSupport:
-  proc compareAndSwap*[T: ptr|ref|pointer](mem: var T, expected: T, newValue: T): bool {.nodecl, 
-      importc: " __sync_bool_compare_and_swap".}
-    ## Returns true if successfully set value at mem to newValue when value
-    ## at mem == expected
-      
-elif defined(windows) and hasThreadSupport:
-    proc InterlockedCompareExchangePointer(mem: ptr pointer,
-      newValue: pointer, comparand: pointer) : pointer {.nodecl, 
-        importc: "InterlockedCompareExchangePointer", header:"windows.h".}
-
-
-    proc compareAndSwap*[T: ptr|ref|pointer](mem: var T, 
-      expected: T, newValue: T): bool {.inline.}=
-      ## Returns true if successfully set value at mem to newValue when value
-      ## at mem == expected
-      return InterlockedCompareExchangePointer(addr(mem), 
-        newValue, expected) == expected
-    
-elif not hasThreadSupport:
-  proc compareAndSwap*[T: ptr|ref|pointer](mem: var T, 
-    expected: T, newValue: T): bool {.inline.} =
-      ## Returns true if successfully set value at mem to newValue when value
-      ## at mem == expected
-      var oldval = mem
-      if oldval == expected:
-        mem = newValue
-        return true
-      return false
-
-