Issue python#16136: Remove VMS support and VMS-related code

tiran · tiran · commit af01f668173d · 2013-12-21T16:19:10.000+01:00
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
@@ -977,6 +977,7 @@ Unsupported Operating Systems
 
 * OS/2
 * Windows 2000
+* VMS
 
 
 Deprecated Python modules, functions and methods
diff --git a/Include/pyerrors.h b/Include/pyerrors.h
@@ -199,9 +199,6 @@ PyAPI_DATA(PyObject *) PyExc_IOError;
 #ifdef MS_WINDOWS
 PyAPI_DATA(PyObject *) PyExc_WindowsError;
 #endif
-#ifdef __VMS
-PyAPI_DATA(PyObject *) PyExc_VMSError;
-#endif
 
 PyAPI_DATA(PyObject *) PyExc_RecursionErrorInst;
 
diff --git a/Lib/test/test_pep3151.py b/Lib/test/test_pep3151.py
@@ -157,8 +157,6 @@ def test_blockingioerror(self):
         e.characters_written = 5
         self.assertEqual(e.characters_written, 5)
 
-    # XXX VMSError not tested
-
 
 class ExplicitSubclassingTest(unittest.TestCase):
 
diff --git a/Misc/NEWS b/Misc/NEWS
@@ -256,6 +256,8 @@ Tests
 Build
 -----
 
+- Issue #16136: Remove VMS support
+
 - Issue #18215: Add script Tools/ssl/test_multiple_versions.py to compile and
   run Python's unit tests with multiple versions of OpenSSL.
 
diff --git a/Modules/_cryptmodule.c b/Modules/_cryptmodule.c
@@ -5,19 +5,12 @@
 
 #include <sys/types.h>
 
-#ifdef __VMS
-#include <openssl/des.h>
-#endif
-
 /* Module crypt */
 
 
 static PyObject *crypt_crypt(PyObject *self, PyObject *args)
 {
     char *word, *salt;
-#ifndef __VMS
-    extern char * crypt(const char *, const char *);
-#endif
 
     if (!PyArg_ParseTuple(args, "ss:crypt", &word, &salt)) {
         return NULL;
diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
@@ -208,11 +208,7 @@ fcntl_ioctl(PyObject *self, PyObject *args)
       return NULL;
     }
     Py_BEGIN_ALLOW_THREADS
-#ifdef __VMS
-    ret = ioctl(fd, code, (void *)arg);
-#else
     ret = ioctl(fd, code, arg);
-#endif
     Py_END_ALLOW_THREADS
     if (ret < 0) {
         PyErr_SetFromErrno(PyExc_IOError);
diff --git a/Modules/fpectlmodule.c b/Modules/fpectlmodule.c
@@ -70,10 +70,6 @@ extern "C" {
 
 #if defined(__FreeBSD__)
 #  include <ieeefp.h>
-#elif defined(__VMS)
-#define __NEW_STARLET
-#include <starlet.h>
-#include <ieeedef.h>
 #endif
 
 #ifndef WANT_SIGFPE_HANDLER
@@ -182,23 +178,6 @@ static void fpe_reset(Sigfunc *handler)
     ieee_set_fp_control(fp_control);
     PyOS_setsig(SIGFPE, handler);
 
-/*-- DEC ALPHA VMS --------------------------------------------------------*/
-#elif defined(__ALPHA) && defined(__VMS)
-        IEEE clrmsk;
-        IEEE setmsk;
-        clrmsk.ieee$q_flags =
-                IEEE$M_TRAP_ENABLE_UNF |  IEEE$M_TRAP_ENABLE_INE |
-                 IEEE$M_MAP_UMZ;
-        setmsk.ieee$q_flags =
-                IEEE$M_TRAP_ENABLE_INV | IEEE$M_TRAP_ENABLE_DZE |
-                IEEE$M_TRAP_ENABLE_OVF;
-        sys$ieee_set_fp_control(&clrmsk, &setmsk, 0);
-        PyOS_setsig(SIGFPE, handler);
-
-/*-- HP IA64 VMS --------------------------------------------------------*/
-#elif defined(__ia64) && defined(__VMS)
-    PyOS_setsig(SIGFPE, handler);
-
 /*-- Cray Unicos ----------------------------------------------------------*/
 #elif defined(cray)
     /* UNICOS delivers SIGFPE by default, but no matherr */
@@ -251,14 +230,6 @@ static PyObject *turnoff_sigfpe(PyObject *self,PyObject *args)
 #ifdef __FreeBSD__
     fpresetsticky(fpgetsticky());
     fpsetmask(0);
-#elif defined(__VMS)
-        IEEE clrmsk;
-         clrmsk.ieee$q_flags =
-                IEEE$M_TRAP_ENABLE_UNF |  IEEE$M_TRAP_ENABLE_INE |
-                IEEE$M_MAP_UMZ | IEEE$M_TRAP_ENABLE_INV |
-                IEEE$M_TRAP_ENABLE_DZE | IEEE$M_TRAP_ENABLE_OVF |
-                IEEE$M_INHERIT;
-        sys$ieee_set_fp_control(&clrmsk, 0, 0);
 #else
     fputs("Operation not implemented\n", stderr);
 #endif
diff --git a/Modules/getpath.c b/Modules/getpath.c
@@ -110,11 +110,7 @@
 #endif
 
 #ifndef PREFIX
-#  ifdef __VMS
-#    define PREFIX ""
-#  else
-#    define PREFIX "/usr/local"
-#  endif
+#  define PREFIX "/usr/local"
 #endif
 
 #ifndef EXEC_PREFIX
diff --git a/Modules/grpmodule.c b/Modules/grpmodule.c
@@ -58,17 +58,12 @@ mkgrent(struct group *p)
 
 #define SET(i,val) PyStructSequence_SET_ITEM(v, i, val)
     SET(setIndex++, PyUnicode_DecodeFSDefault(p->gr_name));
-#ifdef __VMS
-    SET(setIndex++, Py_None);
-    Py_INCREF(Py_None);
-#else
     if (p->gr_passwd)
             SET(setIndex++, PyUnicode_DecodeFSDefault(p->gr_passwd));
     else {
             SET(setIndex++, Py_None);
             Py_INCREF(Py_None);
     }
-#endif
     SET(setIndex++, _PyLong_FromGid(p->gr_gid));
     SET(setIndex++, w);
 #undef SET
diff --git a/Modules/main.c b/Modules/main.c
@@ -5,11 +5,6 @@
 
 #include <locale.h>
 
-#ifdef __VMS
-#error "PEP 11: VMS is now unsupported, code will be removed in Python 3.4"
-#include <unixlib.h>
-#endif
-
 #if defined(MS_WINDOWS) || defined(__CYGWIN__)
 #include <windows.h>
 #ifdef HAVE_FCNTL_H
@@ -124,19 +119,7 @@ usage(int exitcode, wchar_t* program)
         fprintf(f, usage_5, DELIM, PYTHONHOMEHELP);
         fputs(usage_6, f);
     }
-#if defined(__VMS)
-    if (exitcode == 0) {
-        /* suppress 'error' message */
-        return 1;
-    }
-    else {
-        /* STS$M_INHIB_MSG + SS$_ABORT */
-        return 0x1000002c;
-    }
-#else
     return exitcode;
-#endif
-    /*NOTREACHED*/
 }
 
 static void RunStartupFile(PyCompilerFlags *cf)
@@ -580,14 +563,7 @@ Py_Main(int argc, wchar_t **argv)
     if (command == NULL && module == NULL && _PyOS_optind < argc &&
         wcscmp(argv[_PyOS_optind], L"-") != 0)
     {
-#ifdef __VMS
-        filename = decc$translate_vms(argv[_PyOS_optind]);
-        if (filename == (char *)0 || filename == (char *)-1)
-            filename = argv[_PyOS_optind];
-
-#else
         filename = argv[_PyOS_optind];
-#endif
     }
 
     stdin_is_interactive = Py_FdIsInteractive(stdin, (char *)0);
@@ -623,11 +599,6 @@ Py_Main(int argc, wchar_t **argv)
 #endif /* !MS_WINDOWS */
         /* Leave stderr alone - it should be unbuffered anyway. */
     }
-#ifdef __VMS
-    else {
-        setvbuf (stdout, (char *)NULL, _IOLBF, BUFSIZ);
-    }
-#endif /* __VMS */
 
 #ifdef __APPLE__
     /* On MacOS X, when the Python interpreter is embedded in an
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
@@ -1158,12 +1158,6 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
         (void)fcntl(fd, F_FULLFSYNC);
 #endif
 #ifdef HAVE_FSTAT
-#  ifdef __VMS
-    /* on OpenVMS we must ensure that all bytes are written to the file */
-    if (fd != -1) {
-        fsync(fd);
-    }
-#  endif
     if (fd != -1 && fstat(fd, &st) == 0 && S_ISREG(st.st_mode)) {
         if (map_size == 0) {
             if (st.st_size == 0) {
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
@@ -29,11 +29,6 @@
 #include "posixmodule.h"
 #endif
 
-#if defined(__VMS)
-#    error "PEP 11: VMS is now unsupported, code will be removed in Python 3.4"
-#    include <unixio.h>
-#endif /* defined(__VMS) */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -164,9 +159,6 @@ corresponding Unix manual entries for more information on calls.");
 #define HAVE_FSYNC      1
 #define fsync _commit
 #else
-#if defined(__VMS)
-/* Everything needed is defined in vms/pyconfig.h */
-#else                   /* all other compilers */
 /* Unix functions that the configure script doesn't check for */
 #define HAVE_EXECV      1
 #define HAVE_FORK       1
@@ -184,7 +176,6 @@ corresponding Unix manual entries for more information on calls.");
 #define HAVE_SYSTEM     1
 #define HAVE_WAIT       1
 #define HAVE_TTYNAME    1
-#endif  /* __VMS */
 #endif  /* _MSC_VER */
 #endif  /* __BORLANDC__ */
 #endif  /* ! __WATCOMC__ || __QNX__ */
@@ -2765,17 +2756,7 @@ os_ttyname_impl(PyModuleDef *module, int fd)
 {
     char *ret;
 
-#if defined(__VMS)
-    /* file descriptor 0 only, the default input device (stdin) */
-    if (fd == 0) {
-        ret = ttyname();
-    }
-    else {
-        ret = NULL;
-    }
-#else
     ret = ttyname(fd);
-#endif
     if (ret == NULL)
         posix_error();
     return ret;
@@ -8340,10 +8321,6 @@ posix_fstat(PyObject *self, PyObject *args)
     int res;
     if (!PyArg_ParseTuple(args, "i:fstat", &fd))
         return NULL;
-#ifdef __VMS
-    /* on OpenVMS we must ensure that all bytes are written to the file */
-    fsync(fd);
-#endif
     Py_BEGIN_ALLOW_THREADS
     res = FSTAT(fd, &st);
     Py_END_ALLOW_THREADS
diff --git a/Modules/pwdmodule.c b/Modules/pwdmodule.c
@@ -69,18 +69,10 @@ mkpwent(struct passwd *p)
 #define SETS(i,val) sets(v, i, val)
 
     SETS(setIndex++, p->pw_name);
-#ifdef __VMS
-    SETS(setIndex++, "");
-#else
     SETS(setIndex++, p->pw_passwd);
-#endif
     PyStructSequence_SET_ITEM(v, setIndex++, _PyLong_FromUid(p->pw_uid));
     PyStructSequence_SET_ITEM(v, setIndex++, _PyLong_FromGid(p->pw_gid));
-#ifdef __VMS
-    SETS(setIndex++, "");
-#else
     SETS(setIndex++, p->pw_gecos);
-#endif
     SETS(setIndex++, p->pw_dir);
     SETS(setIndex++, p->pw_shell);
 
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
@@ -52,9 +52,6 @@ extern void bzero(void *, int);
 #  include <winsock.h>
 #else
 #  define SOCKET int
-#  if defined(__VMS)
-#    include <socket.h>
-#  endif
 #endif
 
 /* list of Python objects and their file descriptor */
@@ -1708,17 +1705,17 @@ static PyTypeObject kqueue_queue_Type;
  * kevent is not standard and its members vary across BSDs.
  */
 #if !defined(__OpenBSD__)
-#   define IDENT_TYPE	T_UINTPTRT
-#   define IDENT_CAST	Py_intptr_t
-#   define DATA_TYPE	T_INTPTRT
+#   define IDENT_TYPE  T_UINTPTRT
+#   define IDENT_CAST  Py_intptr_t
+#   define DATA_TYPE   T_INTPTRT
 #   define DATA_FMT_UNIT INTPTRT_FMT_UNIT
-#   define IDENT_AsType	PyLong_AsUintptr_t
+#   define IDENT_AsType PyLong_AsUintptr_t
 #else
-#   define IDENT_TYPE	T_UINT
-#   define IDENT_CAST	int
-#   define DATA_TYPE	T_INT
+#   define IDENT_TYPE  T_UINT
+#   define IDENT_CAST  int
+#   define DATA_TYPE   T_INT
 #   define DATA_FMT_UNIT "i"
-#   define IDENT_AsType	PyLong_AsUnsignedLong
+#   define IDENT_AsType PyLong_AsUnsignedLong
 #endif
 
 /* Unfortunately, we can't store python objects in udata, because
@@ -1770,7 +1767,7 @@ kqueue_event_init(kqueue_event_Object *self, PyObject *args, PyObject *kwds)
 
     if (PyLong_Check(pfd)
 #if IDENT_TYPE == T_UINT
-	&& PyLong_AsUnsignedLong(pfd) <= UINT_MAX
+        && PyLong_AsUnsignedLong(pfd) <= UINT_MAX
 #endif
     ) {
         self->e.ident = IDENT_AsType(pfd);
@@ -2253,7 +2250,7 @@ arguments; each contains the subset of the corresponding file descriptors\n\
 that are ready.\n\
 \n\
 *** IMPORTANT NOTICE ***\n\
-On Windows and OpenVMS, only sockets are supported; on Unix, all file\n\
+On Windows only sockets are supported; on Unix, all file\n\
 descriptors can be used.");
 
 static PyMethodDef select_methods[] = {
@@ -2271,7 +2268,7 @@ PyDoc_STRVAR(module_doc,
 "This module supports asynchronous I/O on multiple file descriptors.\n\
 \n\
 *** IMPORTANT NOTICE ***\n\
-On Windows and OpenVMS, only sockets are supported; on Unix, all file descriptors.");
+On Windows only sockets are supported; on Unix, all file descriptors.");
 
 
 static struct PyModuleDef selectmodule = {
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
diff --git a/Parser/myreadline.c b/Parser/myreadline.c
diff --git a/Python/dynload_shlib.c b/Python/dynload_shlib.c
diff --git a/Python/random.c b/Python/random.c
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
