feat(Lib/signal): raise_signal

Author: litlighilit

src/pylib/Lib/os_impl/private/iph_utils.nim

@@ -1,34 +1,2 @@
-##[  Macros to protect CRT calls against instant termination when passed an
- invalid parameter (bpo-23524). IPH stands for Invalid Parameter Handler.
-
-CPython/Include/internal/pycore_fileutils.h
-]##
-
-const MS_WINDOWS* = defined(windows)
-
-when MS_WINDOWS and defined(vcc):
-  let MSC_VER{.importc: "_MSC_VER", nodecl.}: cint
-  type
-    wchar_t{.importc, header: "<wchar.h>".} = int16
-    uintptr_t{.importc, header: "<stddef.h>"} = (
-      when sizeof(cuint) == 4: uint64 else: cuint)
-  type wcharp = ptr wchar_t
-  proc slientInvalParamHandler(
-   expression, function, file: wcharp,
-   line: cuint, pReserved: uintptr_t){.cdecl.} = discard
-  type InvalParamHandler{.importc: "_invalid_parameter_handler".} =
-    typeof slientInvalParamHandler
-  proc setTLinvalParamHandler(pNewL: InvalParamHandler): InvalParamHandler{.
-    importc: "_set_thread_local_invalid_parameter_handler",
-    header: "<stdlib.h>".}
-  template with_Py_SUPPRESS_IPH*(body) =
-    bind setTLinvalParamHandler, slientInvalParamHandler
-    if MSC_VER >= 1900:
-      let oldHandler = setTLinvalParamHandler slientInvalParamHandler
-      body
-      discard setTLinvalParamHandler oldHandler
-    else:
-      body
-else:
-  template with_Py_SUPPRESS_IPH*(body) = body
-
+import ../../../private/iph_utils
+export iph_utils

src/pylib/Lib/signal_impl/signal_util.nim

@@ -1,5 +1,5 @@
-
-import ./[state, chk_util, pylifecycle, pynsig]
+import ../../private/iph_utils
+import ./[state, chk_util, pylifecycle, pynsig, c_api]
 
 when HAVE_STRSIGNAL:
   import ./errutil
@@ -44,3 +44,14 @@ proc strsignal*(signalnum: int): string =
       else: DEF
     else: DEF
 
+
+proc c_raise*(signalnum: cint): cint {.importc: "raise", header: "<signal.h>".}
+
+proc raise_signal*(signalnum: int) =
+  let signalnum = cast[cint](signalnum)
+  var err: cint
+  with_Py_SUPPRESS_IPH:
+    err = c_raise(signalnum)
+  if err != 0:
+    raiseErrno()
+  PyErr_CheckSignalsAndRaises()

src/pylib/private/iph_utils.nim

@@ -0,0 +1,34 @@
+##[  Macros to protect CRT calls against instant termination when passed an
+ invalid parameter (bpo-23524). IPH stands for Invalid Parameter Handler.
+
+CPython/Include/internal/pycore_fileutils.h
+]##
+
+const MS_WINDOWS* = defined(windows)
+
+when MS_WINDOWS and defined(vcc):
+  let MSC_VER{.importc: "_MSC_VER", nodecl.}: cint
+  type
+    wchar_t{.importc, header: "<wchar.h>".} = int16
+    uintptr_t{.importc, header: "<stddef.h>"} = (
+      when sizeof(cuint) == 4: uint64 else: cuint)
+  type wcharp = ptr wchar_t
+  proc slientInvalParamHandler(
+   expression, function, file: wcharp,
+   line: cuint, pReserved: uintptr_t){.cdecl.} = discard
+  type InvalParamHandler{.importc: "_invalid_parameter_handler".} =
+    typeof slientInvalParamHandler
+  proc setTLinvalParamHandler(pNewL: InvalParamHandler): InvalParamHandler{.
+    importc: "_set_thread_local_invalid_parameter_handler",
+    header: "<stdlib.h>".}
+  template with_Py_SUPPRESS_IPH*(body) =
+    bind setTLinvalParamHandler, slientInvalParamHandler
+    if MSC_VER >= 1900:
+      let oldHandler = setTLinvalParamHandler slientInvalParamHandler
+      body
+      discard setTLinvalParamHandler oldHandler
+    else:
+      body
+else:
+  template with_Py_SUPPRESS_IPH*(body) = body
+