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-rw-r--r--compiler/condsyms.nim3
-rw-r--r--compiler/sempass2.nim2
-rw-r--r--lib/system.nim136
-rw-r--r--lib/system/alloc.nim2
-rw-r--r--lib/system/assign.nim12
-rw-r--r--lib/system/avltree.nim4
-rw-r--r--lib/system/cgprocs.nim4
-rw-r--r--lib/system/channels.nim18
-rw-r--r--lib/system/deepcopy.nim4
-rw-r--r--lib/system/excpt.nim12
-rw-r--r--lib/system/gc.nim20
-rw-r--r--lib/system/gc_ms.nim16
-rw-r--r--lib/system/hti.nim4
-rw-r--r--lib/system/inclrtl.nim5
14 files changed, 125 insertions, 117 deletions
diff --git a/compiler/condsyms.nim b/compiler/condsyms.nim
index 8652844f3..9c07972cf 100644
--- a/compiler/condsyms.nim
+++ b/compiler/condsyms.nim
@@ -41,7 +41,7 @@ proc countDefinedSymbols*(): int =
   for key, val in pairs(gSymbols):
     if val == "true": inc(result)
 
-# For ease of bootstrapping, we keep there here and not in the global config
+# For ease of bootstrapping, we keep them here and not in the global config
 # file for now:
 const
   additionalSymbols = """
@@ -88,6 +88,7 @@ proc initDefines*() =
   defineSymbol("nimrequiresnimframe")
   defineSymbol("nimparsebiggestfloatmagic")
   defineSymbol("nimalias")
+  defineSymbol("nimlocks")
   
   # add platform specific symbols:
   for c in low(CPU)..high(CPU):
diff --git a/compiler/sempass2.nim b/compiler/sempass2.nim
index f9c577977..cbabc755b 100644
--- a/compiler/sempass2.nim
+++ b/compiler/sempass2.nim
@@ -458,6 +458,8 @@ proc assumeTheWorst(tracked: PEffects; n: PNode; op: PType) =
   addTag(tracked, createTag(n))
   let lockLevel = if op.lockLevel == UnspecifiedLockLevel: UnknownLockLevel
                   else: op.lockLevel
+  #if lockLevel == UnknownLockLevel:
+  #  message(n.info, warnUser, "had to assume the worst here")
   mergeLockLevels(tracked, n, lockLevel)
 
 proc trackOperand(tracked: PEffects, n: PNode, paramType: PType) =
diff --git a/lib/system.nim b/lib/system.nim
index da49386ed..795203e4e 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -1318,20 +1318,20 @@ proc substr*(s: string, first, last: int): string {.
   ## or `limit`:idx: a string's length.
 
 when not defined(nimrodVM):
-  proc zeroMem*(p: pointer, size: int) {.importc, noDecl, gcsafe.}
+  proc zeroMem*(p: pointer, size: int) {.importc, noDecl, benign.}
     ## overwrites the contents of the memory at ``p`` with the value 0.
     ## Exactly ``size`` bytes will be overwritten. Like any procedure
     ## dealing with raw memory this is *unsafe*.
 
   proc copyMem*(dest, source: pointer, size: int) {.
-    importc: "memcpy", header: "<string.h>", gcsafe.}
+    importc: "memcpy", header: "<string.h>", benign.}
     ## copies the contents from the memory at ``source`` to the memory
     ## at ``dest``. Exactly ``size`` bytes will be copied. The memory
     ## regions may not overlap. Like any procedure dealing with raw
     ## memory this is *unsafe*.
 
   proc moveMem*(dest, source: pointer, size: int) {.
-    importc: "memmove", header: "<string.h>", gcsafe.}
+    importc: "memmove", header: "<string.h>", benign.}
     ## copies the contents from the memory at ``source`` to the memory
     ## at ``dest``. Exactly ``size`` bytes will be copied. The memory
     ## regions may overlap, ``moveMem`` handles this case appropriately
@@ -1346,14 +1346,14 @@ when not defined(nimrodVM):
     ## *unsafe*.
 
   when hostOS != "standalone":
-    proc alloc*(size: int): pointer {.noconv, rtl, tags: [], gcsafe.}
+    proc alloc*(size: int): pointer {.noconv, rtl, tags: [], benign.}
       ## allocates a new memory block with at least ``size`` bytes. The
       ## block has to be freed with ``realloc(block, 0)`` or
       ## ``dealloc(block)``. The block is not initialized, so reading
       ## from it before writing to it is undefined behaviour!
       ## The allocated memory belongs to its allocating thread!
       ## Use `allocShared` to allocate from a shared heap.
-    proc createU*(T: typedesc, size = 1.Positive): ptr T {.inline, gcsafe.} =
+    proc createU*(T: typedesc, size = 1.Positive): ptr T {.inline, benign.} =
       ## allocates a new memory block with at least ``T.sizeof * size``
       ## bytes. The block has to be freed with ``resize(block, 0)`` or
       ## ``free(block)``. The block is not initialized, so reading
@@ -1361,14 +1361,14 @@ when not defined(nimrodVM):
       ## The allocated memory belongs to its allocating thread!
       ## Use `createSharedU` to allocate from a shared heap.
       cast[ptr T](alloc(T.sizeof * size))
-    proc alloc0*(size: int): pointer {.noconv, rtl, tags: [], gcsafe.}
+    proc alloc0*(size: int): pointer {.noconv, rtl, tags: [], benign.}
       ## allocates a new memory block with at least ``size`` bytes. The
       ## block has to be freed with ``realloc(block, 0)`` or
       ## ``dealloc(block)``. The block is initialized with all bytes
       ## containing zero, so it is somewhat safer than ``alloc``.
       ## The allocated memory belongs to its allocating thread!
       ## Use `allocShared0` to allocate from a shared heap.
-    proc create*(T: typedesc, size = 1.Positive): ptr T {.inline, gcsafe.} =
+    proc create*(T: typedesc, size = 1.Positive): ptr T {.inline, benign.} =
       ## allocates a new memory block with at least ``T.sizeof * size``
       ## bytes. The block has to be freed with ``resize(block, 0)`` or
       ## ``free(block)``. The block is initialized with all bytes
@@ -1377,7 +1377,7 @@ when not defined(nimrodVM):
       ## Use `createShared` to allocate from a shared heap.
       cast[ptr T](alloc0(T.sizeof * size))
     proc realloc*(p: pointer, newSize: int): pointer {.noconv, rtl, tags: [], 
-                                                       gcsafe.}
+                                                       benign.}
       ## grows or shrinks a given memory block. If p is **nil** then a new
       ## memory block is returned. In either way the block has at least
       ## ``newSize`` bytes. If ``newSize == 0`` and p is not **nil**
@@ -1385,7 +1385,7 @@ when not defined(nimrodVM):
       ## be freed with ``dealloc``.
       ## The allocated memory belongs to its allocating thread!
       ## Use `reallocShared` to reallocate from a shared heap.
-    proc resize*[T](p: ptr T, newSize: Natural): ptr T {.inline, gcsafe.} =
+    proc resize*[T](p: ptr T, newSize: Natural): ptr T {.inline, benign.} =
       ## grows or shrinks a given memory block. If p is **nil** then a new
       ## memory block is returned. In either way the block has at least
       ## ``T.sizeof * newSize`` bytes. If ``newSize == 0`` and p is not
@@ -1394,7 +1394,7 @@ when not defined(nimrodVM):
       ## its allocating thread!
       ## Use `resizeShared` to reallocate from a shared heap.
       cast[ptr T](realloc(p, T.sizeof * newSize))
-    proc dealloc*(p: pointer) {.noconv, rtl, tags: [], gcsafe.}
+    proc dealloc*(p: pointer) {.noconv, rtl, tags: [], benign.}
       ## frees the memory allocated with ``alloc``, ``alloc0`` or
       ## ``realloc``. This procedure is dangerous! If one forgets to
       ## free the memory a leak occurs; if one tries to access freed
@@ -1402,23 +1402,23 @@ when not defined(nimrodVM):
       ## or other memory may be corrupted. 
       ## The freed memory must belong to its allocating thread!
       ## Use `deallocShared` to deallocate from a shared heap.
-    proc free*[T](p: ptr T) {.inline, gcsafe.} =
+    proc free*[T](p: ptr T) {.inline, benign.} =
       dealloc(p)
-    proc allocShared*(size: int): pointer {.noconv, rtl, gcsafe.}
+    proc allocShared*(size: int): pointer {.noconv, rtl, benign.}
       ## allocates a new memory block on the shared heap with at
       ## least ``size`` bytes. The block has to be freed with
       ## ``reallocShared(block, 0)`` or ``deallocShared(block)``. The block
       ## is not initialized, so reading from it before writing to it is 
       ## undefined behaviour!
     proc createSharedU*(T: typedesc, size = 1.Positive): ptr T {.inline, 
-                                                                 gcsafe.} =
+                                                                 benign.} =
       ## allocates a new memory block on the shared heap with at
       ## least ``T.sizeof * size`` bytes. The block has to be freed with
       ## ``resizeShared(block, 0)`` or ``freeShared(block)``. The block
       ## is not initialized, so reading from it before writing to it is 
       ## undefined behaviour!
       cast[ptr T](allocShared(T.sizeof * size))
-    proc allocShared0*(size: int): pointer {.noconv, rtl, gcsafe.}
+    proc allocShared0*(size: int): pointer {.noconv, rtl, benign.}
       ## allocates a new memory block on the shared heap with at 
       ## least ``size`` bytes. The block has to be freed with
       ## ``reallocShared(block, 0)`` or ``deallocShared(block)``.
@@ -1432,7 +1432,7 @@ when not defined(nimrodVM):
       ## containing zero, so it is somewhat safer than ``createSharedU``.
       cast[ptr T](allocShared0(T.sizeof * size))
     proc reallocShared*(p: pointer, newSize: int): pointer {.noconv, rtl, 
-                                                             gcsafe.}
+                                                             benign.}
       ## grows or shrinks a given memory block on the heap. If p is **nil**
       ## then a new memory block is returned. In either way the block has at
       ## least ``newSize`` bytes. If ``newSize == 0`` and p is not **nil**
@@ -1445,13 +1445,13 @@ when not defined(nimrodVM):
       ## not **nil** ``resizeShared`` calls ``freeShared(p)``. In other
       ## cases the block has to be freed with ``freeShared``.
       cast[ptr T](reallocShared(p, T.sizeof * newSize))
-    proc deallocShared*(p: pointer) {.noconv, rtl, gcsafe.}
+    proc deallocShared*(p: pointer) {.noconv, rtl, benign.}
       ## frees the memory allocated with ``allocShared``, ``allocShared0`` or
       ## ``reallocShared``. This procedure is dangerous! If one forgets to
       ## free the memory a leak occurs; if one tries to access freed
       ## memory (or just freeing it twice!) a core dump may happen
       ## or other memory may be corrupted.
-    proc freeShared*[T](p: ptr T) {.inline, gcsafe.} =
+    proc freeShared*[T](p: ptr T) {.inline, benign.} =
       ## frees the memory allocated with ``createShared``, ``createSharedU`` or
       ## ``resizeShared``. This procedure is dangerous! If one forgets to
       ## free the memory a leak occurs; if one tries to access freed
@@ -1993,15 +1993,15 @@ when false:
 # ----------------- GC interface ---------------------------------------------
 
 when not defined(nimrodVM) and hostOS != "standalone":
-  proc GC_disable*() {.rtl, inl.}
+  proc GC_disable*() {.rtl, inl, benign.}
     ## disables the GC. If called n-times, n calls to `GC_enable` are needed to
     ## reactivate the GC. Note that in most circumstances one should only disable
     ## the mark and sweep phase with `GC_disableMarkAndSweep`.
 
-  proc GC_enable*() {.rtl, inl.}
+  proc GC_enable*() {.rtl, inl, benign.}
     ## enables the GC again.
 
-  proc GC_fullCollect*() {.rtl.}
+  proc GC_fullCollect*() {.rtl, benign.}
     ## forces a full garbage collection pass.
     ## Ordinary code does not need to call this (and should not).
 
@@ -2014,32 +2014,32 @@ when not defined(nimrodVM) and hostOS != "standalone":
 
   {.deprecated: [TGC_Strategy: GC_Strategy].}
 
-  proc GC_setStrategy*(strategy: GC_Strategy) {.rtl, deprecated.}
+  proc GC_setStrategy*(strategy: GC_Strategy) {.rtl, deprecated, benign.}
     ## tells the GC the desired strategy for the application.
     ## **Deprecated** since version 0.8.14. This has always been a nop.
 
-  proc GC_enableMarkAndSweep*() {.rtl.}
-  proc GC_disableMarkAndSweep*() {.rtl.}
+  proc GC_enableMarkAndSweep*() {.rtl, benign.}
+  proc GC_disableMarkAndSweep*() {.rtl, benign.}
     ## the current implementation uses a reference counting garbage collector
     ## with a seldomly run mark and sweep phase to free cycles. The mark and
     ## sweep phase may take a long time and is not needed if the application
     ## does not create cycles. Thus the mark and sweep phase can be deactivated
     ## and activated separately from the rest of the GC.
 
-  proc GC_getStatistics*(): string {.rtl.}
+  proc GC_getStatistics*(): string {.rtl, benign.}
     ## returns an informative string about the GC's activity. This may be useful
     ## for tweaking.
     
-  proc GC_ref*[T](x: ref T) {.magic: "GCref", gcsafe.}
-  proc GC_ref*[T](x: seq[T]) {.magic: "GCref", gcsafe.}
-  proc GC_ref*(x: string) {.magic: "GCref", gcsafe.}
+  proc GC_ref*[T](x: ref T) {.magic: "GCref", benign.}
+  proc GC_ref*[T](x: seq[T]) {.magic: "GCref", benign.}
+  proc GC_ref*(x: string) {.magic: "GCref", benign.}
     ## marks the object `x` as referenced, so that it will not be freed until
     ## it is unmarked via `GC_unref`. If called n-times for the same object `x`,
     ## n calls to `GC_unref` are needed to unmark `x`. 
     
-  proc GC_unref*[T](x: ref T) {.magic: "GCunref", gcsafe.}
-  proc GC_unref*[T](x: seq[T]) {.magic: "GCunref", gcsafe.}
-  proc GC_unref*(x: string) {.magic: "GCunref", gcsafe.}
+  proc GC_unref*[T](x: ref T) {.magic: "GCunref", benign.}
+  proc GC_unref*[T](x: seq[T]) {.magic: "GCunref", benign.}
+  proc GC_unref*(x: string) {.magic: "GCunref", benign.}
     ## see the documentation of `GC_ref`.
 
 template accumulateResult*(iter: expr) =
@@ -2057,7 +2057,7 @@ const NimStackTrace = compileOption("stacktrace")
 # of the code
 
 var
-  globalRaiseHook*: proc (e: ref Exception): bool {.nimcall, gcsafe.}
+  globalRaiseHook*: proc (e: ref Exception): bool {.nimcall, benign.}
     ## with this hook you can influence exception handling on a global level.
     ## If not nil, every 'raise' statement ends up calling this hook. Ordinary
     ## application code should never set this hook! You better know what you
@@ -2065,7 +2065,7 @@ var
     ## exception is caught and does not propagate further through the call
     ## stack.
 
-  localRaiseHook* {.threadvar.}: proc (e: ref Exception): bool {.nimcall, gcsafe.}
+  localRaiseHook* {.threadvar.}: proc (e: ref Exception): bool {.nimcall, benign.}
     ## with this hook you can influence exception handling on a
     ## thread local level.
     ## If not nil, every 'raise' statement ends up calling this hook. Ordinary
@@ -2073,7 +2073,7 @@ var
     ## do when setting this. If ``localRaiseHook`` returns false, the exception
     ## is caught and does not propagate further through the call stack.
     
-  outOfMemHook*: proc () {.nimcall, tags: [], gcsafe.}
+  outOfMemHook*: proc () {.nimcall, tags: [], benign.}
     ## set this variable to provide a procedure that should be called 
     ## in case of an `out of memory`:idx: event. The standard handler
     ## writes an error message and terminates the program. `outOfMemHook` can
@@ -2125,7 +2125,7 @@ elif hostOS != "standalone":
       inc(i)
   {.pop.}
 
-proc echo*[T](x: varargs[T, `$`]) {.magic: "Echo", tags: [WriteIOEffect], gcsafe.}
+proc echo*[T](x: varargs[T, `$`]) {.magic: "Echo", tags: [WriteIOEffect], benign.}
   ## Writes and flushes the parameters to the standard output.
   ##
   ## Special built-in that takes a variable number of arguments. Each argument
@@ -2178,7 +2178,7 @@ when not declared(sysFatal):
       e.msg = message & arg
       raise e
 
-proc getTypeInfo*[T](x: T): pointer {.magic: "GetTypeInfo", gcsafe.}
+proc getTypeInfo*[T](x: T): pointer {.magic: "GetTypeInfo", benign.}
   ## get type information for `x`. Ordinary code should not use this, but
   ## the `typeinfo` module instead.
 
@@ -2294,14 +2294,14 @@ when not defined(JS): #and not defined(NimrodVM):
 
     proc open*(f: var File, filename: string,
                mode: FileMode = fmRead, bufSize: int = -1): bool {.tags: [],
-               gcsafe.}
+               benign.}
       ## Opens a file named `filename` with given `mode`.
       ##
       ## Default mode is readonly. Returns true iff the file could be opened.
       ## This throws no exception if the file could not be opened.
 
     proc open*(f: var File, filehandle: FileHandle,
-               mode: FileMode = fmRead): bool {.tags: [], gcsafe.}
+               mode: FileMode = fmRead): bool {.tags: [], benign.}
       ## Creates a ``TFile`` from a `filehandle` with given `mode`.
       ##
       ## Default mode is readonly. Returns true iff the file could be opened.
@@ -2316,7 +2316,7 @@ when not defined(JS): #and not defined(NimrodVM):
         sysFatal(IOError, "cannot open: ", filename)
 
     proc reopen*(f: File, filename: string, mode: FileMode = fmRead): bool {.
-      tags: [], gcsafe.}
+      tags: [], benign.}
       ## reopens the file `f` with given `filename` and `mode`. This 
       ## is often used to redirect the `stdin`, `stdout` or `stderr`
       ## file variables.
@@ -2326,7 +2326,7 @@ when not defined(JS): #and not defined(NimrodVM):
     proc close*(f: File) {.importc: "fclose", header: "<stdio.h>", tags: [].}
       ## Closes the file.
 
-    proc endOfFile*(f: File): bool {.tags: [], gcsafe.}
+    proc endOfFile*(f: File): bool {.tags: [], benign.}
       ## Returns true iff `f` is at the end.
       
     proc readChar*(f: File): char {.
@@ -2336,40 +2336,40 @@ when not defined(JS): #and not defined(NimrodVM):
       importc: "fflush", header: "<stdio.h>", tags: [WriteIOEffect].}
       ## Flushes `f`'s buffer.
 
-    proc readAll*(file: File): TaintedString {.tags: [ReadIOEffect], gcsafe.}
+    proc readAll*(file: File): TaintedString {.tags: [ReadIOEffect], benign.}
       ## Reads all data from the stream `file`.
       ##
       ## Raises an IO exception in case of an error. It is an error if the
       ## current file position is not at the beginning of the file.
     
-    proc readFile*(filename: string): TaintedString {.tags: [ReadIOEffect], gcsafe.}
+    proc readFile*(filename: string): TaintedString {.tags: [ReadIOEffect], benign.}
       ## Opens a file named `filename` for reading. Then calls `readAll`
       ## and closes the file afterwards. Returns the string. 
       ## Raises an IO exception in case of an error.
 
-    proc writeFile*(filename, content: string) {.tags: [WriteIOEffect], gcsafe.}
+    proc writeFile*(filename, content: string) {.tags: [WriteIOEffect], benign.}
       ## Opens a file named `filename` for writing. Then writes the
       ## `content` completely to the file and closes the file afterwards.
       ## Raises an IO exception in case of an error.
 
-    proc write*(f: File, r: float32) {.tags: [WriteIOEffect], gcsafe.}
-    proc write*(f: File, i: int) {.tags: [WriteIOEffect], gcsafe.}
-    proc write*(f: File, i: BiggestInt) {.tags: [WriteIOEffect], gcsafe.}
-    proc write*(f: File, r: BiggestFloat) {.tags: [WriteIOEffect], gcsafe.}
-    proc write*(f: File, s: string) {.tags: [WriteIOEffect], gcsafe.}
-    proc write*(f: File, b: bool) {.tags: [WriteIOEffect], gcsafe.}
-    proc write*(f: File, c: char) {.tags: [WriteIOEffect], gcsafe.}
-    proc write*(f: File, c: cstring) {.tags: [WriteIOEffect], gcsafe.}
-    proc write*(f: File, a: varargs[string, `$`]) {.tags: [WriteIOEffect], gcsafe.}
+    proc write*(f: File, r: float32) {.tags: [WriteIOEffect], benign.}
+    proc write*(f: File, i: int) {.tags: [WriteIOEffect], benign.}
+    proc write*(f: File, i: BiggestInt) {.tags: [WriteIOEffect], benign.}
+    proc write*(f: File, r: BiggestFloat) {.tags: [WriteIOEffect], benign.}
+    proc write*(f: File, s: string) {.tags: [WriteIOEffect], benign.}
+    proc write*(f: File, b: bool) {.tags: [WriteIOEffect], benign.}
+    proc write*(f: File, c: char) {.tags: [WriteIOEffect], benign.}
+    proc write*(f: File, c: cstring) {.tags: [WriteIOEffect], benign.}
+    proc write*(f: File, a: varargs[string, `$`]) {.tags: [WriteIOEffect], benign.}
       ## Writes a value to the file `f`. May throw an IO exception.
 
-    proc readLine*(f: File): TaintedString  {.tags: [ReadIOEffect], gcsafe.}
+    proc readLine*(f: File): TaintedString  {.tags: [ReadIOEffect], benign.}
       ## reads a line of text from the file `f`. May throw an IO exception.
       ## A line of text may be delimited by ``CR``, ``LF`` or
       ## ``CRLF``. The newline character(s) are not part of the returned string.
     
     proc readLine*(f: File, line: var TaintedString): bool {.tags: [ReadIOEffect], 
-                  gcsafe.}
+                  benign.}
       ## reads a line of text from the file `f` into `line`. `line` must not be
       ## ``nil``! May throw an IO exception.
       ## A line of text may be delimited by ``CR``, ``LF`` or
@@ -2379,57 +2379,57 @@ when not defined(JS): #and not defined(NimrodVM):
 
     when not defined(booting):
       proc writeln*[Ty](f: File, x: varargs[Ty, `$`]) {.inline, 
-                               tags: [WriteIOEffect], gcsafe.}
+                               tags: [WriteIOEffect], benign.}
         ## writes the values `x` to `f` and then writes "\n".
         ## May throw an IO exception.
     else:
       proc writeln*[Ty](f: File, x: varargs[Ty, `$`]) {.inline, 
                                tags: [WriteIOEffect].}
 
-    proc getFileSize*(f: File): int64 {.tags: [ReadIOEffect], gcsafe.}
+    proc getFileSize*(f: File): int64 {.tags: [ReadIOEffect], benign.}
       ## retrieves the file size (in bytes) of `f`.
 
     proc readBytes*(f: File, a: var openArray[int8], start, len: int): int {.
-      tags: [ReadIOEffect], gcsafe.}
+      tags: [ReadIOEffect], benign.}
       ## reads `len` bytes into the buffer `a` starting at ``a[start]``. Returns
       ## the actual number of bytes that have been read which may be less than
       ## `len` (if not as many bytes are remaining), but not greater.
 
     proc readChars*(f: File, a: var openArray[char], start, len: int): int {.
-      tags: [ReadIOEffect], gcsafe.}
+      tags: [ReadIOEffect], benign.}
       ## reads `len` bytes into the buffer `a` starting at ``a[start]``. Returns
       ## the actual number of bytes that have been read which may be less than
       ## `len` (if not as many bytes are remaining), but not greater.
 
     proc readBuffer*(f: File, buffer: pointer, len: int): int {.
-      tags: [ReadIOEffect], gcsafe.}
+      tags: [ReadIOEffect], benign.}
       ## reads `len` bytes into the buffer pointed to by `buffer`. Returns
       ## the actual number of bytes that have been read which may be less than
       ## `len` (if not as many bytes are remaining), but not greater.
 
     proc writeBytes*(f: File, a: openArray[int8], start, len: int): int {.
-      tags: [WriteIOEffect], gcsafe.}
+      tags: [WriteIOEffect], benign.}
       ## writes the bytes of ``a[start..start+len-1]`` to the file `f`. Returns
       ## the number of actual written bytes, which may be less than `len` in case
       ## of an error.
 
     proc writeChars*(f: File, a: openArray[char], start, len: int): int {.
-      tags: [WriteIOEffect], gcsafe.}
+      tags: [WriteIOEffect], benign.}
       ## writes the bytes of ``a[start..start+len-1]`` to the file `f`. Returns
       ## the number of actual written bytes, which may be less than `len` in case
       ## of an error.
 
     proc writeBuffer*(f: File, buffer: pointer, len: int): int {.
-      tags: [WriteIOEffect], gcsafe.}
+      tags: [WriteIOEffect], benign.}
       ## writes the bytes of buffer pointed to by the parameter `buffer` to the
       ## file `f`. Returns the number of actual written bytes, which may be less
       ## than `len` in case of an error.
 
-    proc setFilePos*(f: File, pos: int64) {.gcsafe.}
+    proc setFilePos*(f: File, pos: int64) {.benign.}
       ## sets the position of the file pointer that is used for read/write
       ## operations. The file's first byte has the index zero.
 
-    proc getFilePos*(f: File): int64 {.gcsafe.}
+    proc getFilePos*(f: File): int64 {.benign.}
       ## retrieves the current position of the file pointer that is used to
       ## read from the file `f`. The file's first byte has the index zero.
 
@@ -2476,11 +2476,11 @@ when not defined(JS): #and not defined(NimrodVM):
 
   when not defined(NimrodVM):
     proc atomicInc*(memLoc: var int, x: int = 1): int {.inline, 
-      discardable, gcsafe.}
+      discardable, benign.}
       ## atomic increment of `memLoc`. Returns the value after the operation.
     
     proc atomicDec*(memLoc: var int, x: int = 1): int {.inline, 
-      discardable, gcsafe.}
+      discardable, benign.}
       ## atomic decrement of `memLoc`. Returns the value after the operation.
 
     include "system/atomics"
@@ -2611,11 +2611,11 @@ when not defined(JS): #and not defined(NimrodVM):
     include "system/assign"
     include "system/repr"
 
-    proc getCurrentException*(): ref Exception {.compilerRtl, inl, gcsafe.} =
+    proc getCurrentException*(): ref Exception {.compilerRtl, inl, benign.} =
       ## retrieves the current exception; if there is none, nil is returned.
       result = currException
 
-    proc getCurrentExceptionMsg*(): string {.inline, gcsafe.} =
+    proc getCurrentExceptionMsg*(): string {.inline, benign.} =
       ## retrieves the error message that was attached to the current
       ## exception; if there is none, "" is returned.
       var e = getCurrentException()
@@ -2631,7 +2631,7 @@ when not defined(JS): #and not defined(NimrodVM):
         excHandler.hasRaiseAction = true
         excHandler.raiseAction = action
 
-    proc setCurrentException*(exc: ref Exception) {.inline, gcsafe.} =
+    proc setCurrentException*(exc: ref Exception) {.inline, benign.} =
       ## sets the current exception.
       ##
       ## **Warning**: Only use this if you know what you are doing.
diff --git a/lib/system/alloc.nim b/lib/system/alloc.nim
index 9f227f0c5..fd3ced832 100644
--- a/lib/system/alloc.nim
+++ b/lib/system/alloc.nim
@@ -514,7 +514,7 @@ proc getSmallChunk(a: var TMemRegion): PSmallChunk =
   result = cast[PSmallChunk](res)
 
 # -----------------------------------------------------------------------------
-proc isAllocatedPtr(a: TMemRegion, p: pointer): bool
+proc isAllocatedPtr(a: TMemRegion, p: pointer): bool {.benign.}
 
 proc allocInv(a: TMemRegion): bool =
   ## checks some (not all yet) invariants of the allocator's data structures.
diff --git a/lib/system/assign.nim b/lib/system/assign.nim
index 6c58c24c2..8d53e127c 100644
--- a/lib/system/assign.nim
+++ b/lib/system/assign.nim
@@ -7,11 +7,11 @@
 #    distribution, for details about the copyright.
 #
 
-proc genericResetAux(dest: pointer, n: ptr TNimNode) {.gcsafe.}
+proc genericResetAux(dest: pointer, n: ptr TNimNode) {.benign.}
 
-proc genericAssignAux(dest, src: pointer, mt: PNimType, shallow: bool) {.gcsafe.}
+proc genericAssignAux(dest, src: pointer, mt: PNimType, shallow: bool) {.benign.}
 proc genericAssignAux(dest, src: pointer, n: ptr TNimNode,
-                      shallow: bool) {.gcsafe.} =
+                      shallow: bool) {.benign.} =
   var
     d = cast[ByteAddress](dest)
     s = cast[ByteAddress](src)
@@ -136,8 +136,8 @@ proc genericAssignOpenArray(dest, src: pointer, len: int,
     genericAssign(cast[pointer](d +% i*% mt.base.size),
                   cast[pointer](s +% i*% mt.base.size), mt.base)
 
-proc objectInit(dest: pointer, typ: PNimType) {.compilerProc, gcsafe.}
-proc objectInitAux(dest: pointer, n: ptr TNimNode) {.gcsafe.} =
+proc objectInit(dest: pointer, typ: PNimType) {.compilerProc, benign.}
+proc objectInitAux(dest: pointer, n: ptr TNimNode) {.benign.} =
   var d = cast[ByteAddress](dest)
   case n.kind
   of nkNone: sysAssert(false, "objectInitAux")
@@ -182,7 +182,7 @@ else:
     mixin destroy
     for i in countup(0, r.len - 1): destroy(r[i])
 
-proc genericReset(dest: pointer, mt: PNimType) {.compilerProc, gcsafe.}
+proc genericReset(dest: pointer, mt: PNimType) {.compilerProc, benign.}
 proc genericResetAux(dest: pointer, n: ptr TNimNode) =
   var d = cast[ByteAddress](dest)
   case n.kind
diff --git a/lib/system/avltree.nim b/lib/system/avltree.nim
index 157799b28..292097062 100644
--- a/lib/system/avltree.nim
+++ b/lib/system/avltree.nim
@@ -51,7 +51,7 @@ proc split(t: var PAvlNode) =
     t.link[0] = temp
     inc t.level
 
-proc add(a: var TMemRegion, t: var PAvlNode, key, upperBound: int) {.gcsafe.} =
+proc add(a: var TMemRegion, t: var PAvlNode, key, upperBound: int) {.benign.} =
   if t == bottom:
     t = allocAvlNode(a, key, upperBound)
   else:
@@ -64,7 +64,7 @@ proc add(a: var TMemRegion, t: var PAvlNode, key, upperBound: int) {.gcsafe.} =
     skew(t)
     split(t)
 
-proc del(a: var TMemRegion, t: var PAvlNode, x: int) {.gcsafe.} =
+proc del(a: var TMemRegion, t: var PAvlNode, x: int) {.benign.} =
   if t == bottom: return
   a.last = t
   if x <% t.key:
diff --git a/lib/system/cgprocs.nim b/lib/system/cgprocs.nim
index d46e715f1..089846578 100644
--- a/lib/system/cgprocs.nim
+++ b/lib/system/cgprocs.nim
@@ -9,7 +9,7 @@
 
 # Headers for procs that the code generator depends on ("compilerprocs")
 
-proc addChar(s: NimString, c: char): NimString {.compilerProc, gcsafe.}
+proc addChar(s: NimString, c: char): NimString {.compilerProc, benign.}
 
 type
   TLibHandle = pointer       # private type
@@ -21,5 +21,5 @@ proc nimGetProcAddr(lib: TLibHandle, name: cstring): TProcAddr {.compilerproc.}
 
 proc nimLoadLibraryError(path: string) {.compilerproc, noinline.}
 
-proc setStackBottom(theStackBottom: pointer) {.compilerRtl, noinline, gcsafe.}
+proc setStackBottom(theStackBottom: pointer) {.compilerRtl, noinline, benign.}
 
diff --git a/lib/system/channels.nim b/lib/system/channels.nim
index 4796ebb82..3e5ca0795 100644
--- a/lib/system/channels.nim
+++ b/lib/system/channels.nim
@@ -49,9 +49,9 @@ proc deinitRawChannel(p: pointer) =
   deinitSysCond(c.cond)

 

 proc storeAux(dest, src: pointer, mt: PNimType, t: PRawChannel, 

-              mode: TLoadStoreMode) {.gcsafe.}

+              mode: TLoadStoreMode) {.benign.}

 proc storeAux(dest, src: pointer, n: ptr TNimNode, t: PRawChannel,

-              mode: TLoadStoreMode) {.gcsafe.} =

+              mode: TLoadStoreMode) {.benign.} =

   var

     d = cast[ByteAddress](dest)

     s = cast[ByteAddress](src)

@@ -225,15 +225,15 @@ proc recv*[TMsg](c: var TChannel[TMsg]): TMsg =
   acquireSys(q.lock)

   llRecv(q, addr(result), cast[PNimType](getTypeInfo(result)))

   releaseSys(q.lock)

-
-proc tryRecv*[TMsg](c: var TChannel[TMsg]): tuple[dataAvailable: bool,
-                                                  msg: TMsg] =
-  ## try to receives a message from the channel `c` if available. Otherwise
-  ## it returns ``(false, default(msg))``.
+

+proc tryRecv*[TMsg](c: var TChannel[TMsg]): tuple[dataAvailable: bool,

+                                                  msg: TMsg] =

+  ## try to receives a message from the channel `c` if available. Otherwise

+  ## it returns ``(false, default(msg))``.

   var q = cast[PRawChannel](addr(c))

-  if q.mask != ChannelDeadMask:
+  if q.mask != ChannelDeadMask:

     if tryAcquireSys(q.lock):

-      llRecv(q, addr(result.msg), cast[PNimType](getTypeInfo(result.msg)))
+      llRecv(q, addr(result.msg), cast[PNimType](getTypeInfo(result.msg)))

       result.dataAvailable = true

       releaseSys(q.lock)

 

diff --git a/lib/system/deepcopy.nim b/lib/system/deepcopy.nim
index e4356a25d..fbebb17a8 100644
--- a/lib/system/deepcopy.nim
+++ b/lib/system/deepcopy.nim
@@ -7,8 +7,8 @@
 #    distribution, for details about the copyright.
 #
 
-proc genericDeepCopyAux(dest, src: pointer, mt: PNimType) {.gcsafe.}
-proc genericDeepCopyAux(dest, src: pointer, n: ptr TNimNode) {.gcsafe.} =
+proc genericDeepCopyAux(dest, src: pointer, mt: PNimType) {.benign.}
+proc genericDeepCopyAux(dest, src: pointer, n: ptr TNimNode) {.benign.} =
   var
     d = cast[ByteAddress](dest)
     s = cast[ByteAddress](src)
diff --git a/lib/system/excpt.nim b/lib/system/excpt.nim
index c0e99a5e2..e21eeca6a 100644
--- a/lib/system/excpt.nim
+++ b/lib/system/excpt.nim
@@ -11,7 +11,7 @@
 # use the heap (and nor exceptions) do not include the GC or memory allocator.
 
 var
-  errorMessageWriter*: (proc(msg: string) {.tags: [WriteIOEffect], gcsafe.})
+  errorMessageWriter*: (proc(msg: string) {.tags: [WriteIOEffect], benign.})
     ## Function that will be called
     ## instead of stdmsg.write when printing stacktrace.
     ## Unstable API.
@@ -32,10 +32,10 @@ proc showErrorMessage(data: cstring) =
   else:
     writeToStdErr(data)
 
-proc chckIndx(i, a, b: int): int {.inline, compilerproc, gcsafe.}
-proc chckRange(i, a, b: int): int {.inline, compilerproc, gcsafe.}
-proc chckRangeF(x, a, b: float): float {.inline, compilerproc, gcsafe.}
-proc chckNil(p: pointer) {.noinline, compilerproc, gcsafe.}
+proc chckIndx(i, a, b: int): int {.inline, compilerproc, benign.}
+proc chckRange(i, a, b: int): int {.inline, compilerproc, benign.}
+proc chckRangeF(x, a, b: float): float {.inline, compilerproc, benign.}
+proc chckNil(p: pointer) {.noinline, compilerproc, benign.}
 
 var
   framePtr {.threadvar.}: PFrame
@@ -343,5 +343,5 @@ when not defined(noSignalHandler):
 
 proc setControlCHook(hook: proc () {.noconv.}) =
   # ugly cast, but should work on all architectures:
-  type TSignalHandler = proc (sig: cint) {.noconv, gcsafe.}
+  type TSignalHandler = proc (sig: cint) {.noconv, benign.}
   c_signal(SIGINT, cast[TSignalHandler](hook))
diff --git a/lib/system/gc.nim b/lib/system/gc.nim
index c4b3a4928..fe4b40903 100644
--- a/lib/system/gc.nim
+++ b/lib/system/gc.nim
@@ -51,7 +51,7 @@ type
     waZctDecRef, waPush, waCycleDecRef, waMarkGray, waScan, waScanBlack, 
     waCollectWhite,
 
-  TFinalizer {.compilerproc.} = proc (self: pointer) {.nimcall, gcsafe.}
+  TFinalizer {.compilerproc.} = proc (self: pointer) {.nimcall, benign.}
     # A ref type can have a finalizer that is called before the object's
     # storage is freed.
 
@@ -152,11 +152,11 @@ template gcTrace(cell, state: expr): stmt {.immediate.} =
   when traceGC: traceCell(cell, state)
 
 # forward declarations:
-proc collectCT(gch: var TGcHeap) {.gcsafe.}
-proc isOnStack*(p: pointer): bool {.noinline, gcsafe.}
-proc forAllChildren(cell: PCell, op: TWalkOp) {.gcsafe.}
-proc doOperation(p: pointer, op: TWalkOp) {.gcsafe.}
-proc forAllChildrenAux(dest: pointer, mt: PNimType, op: TWalkOp) {.gcsafe.}
+proc collectCT(gch: var TGcHeap) {.benign.}
+proc isOnStack*(p: pointer): bool {.noinline, benign.}
+proc forAllChildren(cell: PCell, op: TWalkOp) {.benign.}
+proc doOperation(p: pointer, op: TWalkOp) {.benign.}
+proc forAllChildrenAux(dest: pointer, mt: PNimType, op: TWalkOp) {.benign.}
 # we need the prototype here for debugging purposes
 
 when hasThreadSupport and hasSharedHeap:
@@ -294,7 +294,7 @@ proc initGC() =
 
 when useMarkForDebug or useBackupGc:
   type
-    TGlobalMarkerProc = proc () {.nimcall, gcsafe.}
+    TGlobalMarkerProc = proc () {.nimcall, benign.}
   var
     globalMarkersLen: int
     globalMarkers: array[0.. 7_000, TGlobalMarkerProc]
@@ -311,7 +311,7 @@ proc cellsetReset(s: var TCellSet) =
   deinit(s)
   init(s)
 
-proc forAllSlotsAux(dest: pointer, n: ptr TNimNode, op: TWalkOp) {.gcsafe.} =
+proc forAllSlotsAux(dest: pointer, n: ptr TNimNode, op: TWalkOp) {.benign.} =
   var d = cast[ByteAddress](dest)
   case n.kind
   of nkSlot: forAllChildrenAux(cast[pointer](d +% n.offset), n.typ, op)
@@ -680,11 +680,11 @@ proc doOperation(p: pointer, op: TWalkOp) =
 proc nimGCvisit(d: pointer, op: int) {.compilerRtl.} =
   doOperation(d, TWalkOp(op))
 
-proc collectZCT(gch: var TGcHeap): bool {.gcsafe.}
+proc collectZCT(gch: var TGcHeap): bool {.benign.}
 
 when useMarkForDebug or useBackupGc:
   proc markStackAndRegistersForSweep(gch: var TGcHeap) {.noinline, cdecl,
-                                                         gcsafe.}
+                                                         benign.}
 
 proc collectRoots(gch: var TGcHeap) =
   for s in elements(gch.cycleRoots):
diff --git a/lib/system/gc_ms.nim b/lib/system/gc_ms.nim
index f90000a1c..242ca1608 100644
--- a/lib/system/gc_ms.nim
+++ b/lib/system/gc_ms.nim
@@ -32,11 +32,11 @@ type
                    # local 
     waMarkPrecise  # fast precise marking
 
-  TFinalizer {.compilerproc.} = proc (self: pointer) {.nimcall, gcsafe.}
+  TFinalizer {.compilerproc.} = proc (self: pointer) {.nimcall, benign.}
     # A ref type can have a finalizer that is called before the object's
     # storage is freed.
   
-  TGlobalMarkerProc = proc () {.nimcall, gcsafe.}
+  TGlobalMarkerProc = proc () {.nimcall, benign.}
 
   TGcStat = object
     collections: int         # number of performed full collections
@@ -116,11 +116,11 @@ when BitsPerPage mod (sizeof(int)*8) != 0:
   {.error: "(BitsPerPage mod BitsPerUnit) should be zero!".}
 
 # forward declarations:
-proc collectCT(gch: var TGcHeap) {.gcsafe.}
-proc isOnStack*(p: pointer): bool {.noinline, gcsafe.}
-proc forAllChildren(cell: PCell, op: TWalkOp) {.gcsafe.}
-proc doOperation(p: pointer, op: TWalkOp) {.gcsafe.}
-proc forAllChildrenAux(dest: pointer, mt: PNimType, op: TWalkOp) {.gcsafe.}
+proc collectCT(gch: var TGcHeap) {.benign.}
+proc isOnStack*(p: pointer): bool {.noinline, benign.}
+proc forAllChildren(cell: PCell, op: TWalkOp) {.benign.}
+proc doOperation(p: pointer, op: TWalkOp) {.benign.}
+proc forAllChildrenAux(dest: pointer, mt: PNimType, op: TWalkOp) {.benign.}
 # we need the prototype here for debugging purposes
 
 proc prepareDealloc(cell: PCell) =
@@ -168,7 +168,7 @@ proc initGC() =
       Init(gch.allocated)
       init(gch.marked)
 
-proc forAllSlotsAux(dest: pointer, n: ptr TNimNode, op: TWalkOp) {.gcsafe.} =
+proc forAllSlotsAux(dest: pointer, n: ptr TNimNode, op: TWalkOp) {.benign.} =
   var d = cast[ByteAddress](dest)
   case n.kind
   of nkSlot: forAllChildrenAux(cast[pointer](d +% n.offset), n.typ, op)
diff --git a/lib/system/hti.nim b/lib/system/hti.nim
index 4a8ab2485..e599668a7 100644
--- a/lib/system/hti.nim
+++ b/lib/system/hti.nim
@@ -85,8 +85,8 @@ type
     base: ptr TNimType
     node: ptr TNimNode # valid for tyRecord, tyObject, tyTuple, tyEnum
     finalizer: pointer # the finalizer for the type
-    marker: proc (p: pointer, op: int) {.nimcall, gcsafe.} # marker proc for GC
-    deepcopy: proc (p: pointer): pointer {.nimcall, gcsafe.}
+    marker: proc (p: pointer, op: int) {.nimcall, benign.} # marker proc for GC
+    deepcopy: proc (p: pointer): pointer {.nimcall, benign.}
   PNimType = ptr TNimType
   
 # node.len may be the ``first`` element of a set
diff --git a/lib/system/inclrtl.nim b/lib/system/inclrtl.nim
index a975bb7c2..aac802229 100644
--- a/lib/system/inclrtl.nim
+++ b/lib/system/inclrtl.nim
@@ -46,3 +46,8 @@ else:
 
 when not defined(nimsuperops):
   {.pragma: operator.}
+
+when defined(nimlocks):
+  {.pragma: benign, gcsafe, locks: 0.}
+else:
+  {.pragma: benign, gcsafe.}
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-02-10 05:45:10 +0000