Fix a few deprecation warnings

lib/pure/asyncnet.nim

@@ -456,7 +456,8 @@ proc bindAddr*(socket: AsyncSocket, port = Port(0), address = "") {.
     of AF_INET6: realaddr = "::"
     of AF_INET:  realaddr = "0.0.0.0"
     else:
-      raiseOSError("Unknown socket address family and no address specified to bindAddr")
+      raise newException(OSError,
+        "Unknown socket address family and no address specified to bindAddr")
 
   var aiList = getAddrInfo(realaddr, port, socket.domain)
   if bindAddr(socket.fd, aiList.ai_addr, aiList.ai_addrlen.Socklen) < 0'i32:

lib/pure/collections/LockFreeHash.nim

@@ -1,6 +1,6 @@
 #nim c -t:-march=i686 --cpu:amd64 --threads:on -d:release lockfreehash.nim
 
-import unsigned, math, hashes
+import math, hashes
 
 #------------------------------------------------------------------------------
 ## Memory Utility Functions

lib/pure/concurrency/threadpool.nim

@@ -328,10 +328,10 @@ proc distinguishedSlave(w: ptr Worker) {.thread.} =
     if w.q.len != 0: w.cleanFlowVars
 
 var
-  workers: array[MaxThreadPoolSize, TThread[ptr Worker]]
+  workers: array[MaxThreadPoolSize, Thread[ptr Worker]]
   workersData: array[MaxThreadPoolSize, Worker]
 
-  distinguished: array[MaxDistinguishedThread, TThread[ptr Worker]]
+  distinguished: array[MaxDistinguishedThread, Thread[ptr Worker]]
   distinguishedData: array[MaxDistinguishedThread, Worker]
 
 when defined(nimPinToCpu):
@@ -468,7 +468,7 @@ proc nimSpawn3(fn: WorkerProc; data: pointer) {.compilerProc.} =
       await(gSomeReady)
 
 var
-  distinguishedLock: TLock
+  distinguishedLock: Lock
 
 initLock distinguishedLock
 

lib/pure/mersenne.nim

@@ -1,5 +1,3 @@
-import unsigned
-
 type
   MersenneTwister* = object
     mt: array[0..623, uint32]

lib/pure/osproc.nim

@@ -875,8 +875,9 @@ elif not defined(useNimRtl):
       var error: cint
       let sizeRead = read(data.pErrorPipe[readIdx], addr error, sizeof(error))
       if sizeRead == sizeof(error):
-        raiseOSError("Could not find command: '$1'. OS error: $2" %
-            [$data.sysCommand, $strerror(error)])
+        raise newException(OSError,
+          "Could not find command: '$1'. OS error: $2" %
+          [$data.sysCommand, $strerror(error)])
 
       return pid
 

lib/pure/selectors.nim

@@ -9,7 +9,7 @@
 
 # TODO: Docs.
 
-import os, unsigned, hashes
+import os, hashes
 
 when defined(linux):
   import posix, epoll
@@ -118,7 +118,7 @@ elif defined(linux):
         # are therefore constantly ready. (leading to 100% CPU usage).
         if epoll_ctl(s.epollFD, EPOLL_CTL_DEL, fd, nil) != 0:
           raiseOSError(osLastError())
-        s.fds.mget(fd).events = events
+        s.fds[fd].events = events
       else:
         var event = createEventStruct(events, fd)
         if s.fds[fd].events == {}:
@@ -129,7 +129,7 @@ elif defined(linux):
         else:
           if epoll_ctl(s.epollFD, EPOLL_CTL_MOD, fd, addr(event)) != 0:
             raiseOSError(osLastError())
-        s.fds.mget(fd).events = events
+        s.fds[fd].events = events
 
   proc unregister*(s: var Selector, fd: SocketHandle) =
     if epoll_ctl(s.epollFD, EPOLL_CTL_DEL, fd, nil) != 0:
@@ -229,7 +229,7 @@ elif defined(macosx) or defined(freebsd) or defined(openbsd) or defined(netbsd):
         modifyKQueue(s.kqFD, fd, event, EV_ADD)
       for event in previousEvents-events:
         modifyKQueue(s.kqFD, fd, event, EV_DELETE)
-      s.fds.mget(fd).events = events
+      s.fds[fd].events = events
 
   proc unregister*(s: var Selector, fd: SocketHandle) =
     for event in s.fds[fd].events:
@@ -298,7 +298,7 @@ elif not defined(nimdoc):
   proc update*(s: var Selector, fd: SocketHandle, events: set[Event]) =
     #if not s.fds.hasKey(fd):
     #  raise newException(ValueError, "File descriptor not found.")
-    s.fds.mget(fd).events = events
+    s.fds[fd].events = events
 
   proc unregister*(s: var Selector, fd: SocketHandle) =
     s.fds.del(fd)