Merge pull request #1636 from rbehrends/fix-thread-issues

Fix some thread issues

compiler/cgen.nim

@@ -1061,8 +1061,7 @@ proc genMainProc(m: BModule) =
     gBreakpoints.app(m.genFilenames)
   
   let initStackBottomCall =
-    if emulatedThreadVars() or
-      platform.targetOS == osStandalone: "".toRope
+    if platform.targetOS == osStandalone: "".toRope
     else: ropecg(m, "\t#initStackBottomWith((void *)&inner);$N")
   inc(m.labels)
   appcg(m, m.s[cfsProcs], PreMainBody, [

lib/system/threads.nim

@@ -116,16 +116,6 @@ else:
   proc pthread_cancel(a1: TSysThread): cint {.
     importc: "pthread_cancel", header: "<pthread.h>".}
 
-  proc acquireSysTimeoutAux(L: var TSysLock, timeout: var Ttimespec): cint {.
-    importc: "pthread_mutex_timedlock", header: "<time.h>".}
-
-  proc acquireSysTimeout(L: var TSysLock, msTimeout: int) {.inline.} =
-    var a: Ttimespec
-    a.tv_sec = msTimeout div 1000
-    a.tv_nsec = (msTimeout mod 1000) * 1000
-    var res = acquireSysTimeoutAux(L, a)
-    if res != 0'i32: raise newException(EResourceExhausted, $strerror(res))
-
   type
     TThreadVarSlot {.importc: "pthread_key_t", pure, final,
                    header: "<sys/types.h>".} = object