mem.h « include « win32 « tinyc - Nim - This repository contains the Nim compiler, Nim's stdlib, tools, and documentation. (mirror)

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/*
 * This file is part of the Mingw32 package.
 *
 * mem.h maps to string.h
 */
#ifndef	__STRICT_ANSI__
#include <string.h>
#endif

r: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

when false:
  template lock(a, b: ptr TLock; body: stmt) =
    if cast[ByteAddress](a) < cast[ByteAddress](b):
      pthread_mutex_lock(a)
      pthread_mutex_lock(b)
    else:
      pthread_mutex_lock(b)
      pthread_mutex_lock(a)
    {.locks: [a, b].}:
      try:
        body
      finally:
        pthread_mutex_unlock(a)
        pthread_mutex_unlock(b)

type
  ProtectedCounter[T] = object
    i {.guard: L.}: T
    L: int

var
  c: ProtectedCounter[int]

c.i = 89

template atomicRead(L, x): expr =
  {.locks: [L].}:
    x

proc main =
  {.locks: [c.L].}:
    inc c.i
    discard
  echo(atomicRead(c.L, c.i))

main()