[Python-checkins] cpython: #16135: Removal of OS/2 support (I)
jesus.cea
python-checkins at python.org
Fri Oct 5 01:05:50 CEST 2012
http://hg.python.org/cpython/rev/ffc6e6b00949
changeset: 79472:ffc6e6b00949
user: Jesus Cea <jcea at jcea.es>
date: Fri Oct 05 01:04:27 2012 +0200
summary:
#16135: Removal of OS/2 support (I)
files:
Mac/Tools/bundlebuilder.py | 2 +-
Misc/NEWS | 2 +
Python/dynload_os2.c | 42 ---
Python/dynload_shlib.c | 11 -
Python/importdl.h | 5 -
Python/thread.c | 4 -
Python/thread_os2.h | 267 -------------------------
7 files changed, 3 insertions(+), 330 deletions(-)
diff --git a/Mac/Tools/bundlebuilder.py b/Mac/Tools/bundlebuilder.py
--- a/Mac/Tools/bundlebuilder.py
+++ b/Mac/Tools/bundlebuilder.py
@@ -270,7 +270,7 @@
del __load
"""
-MAYMISS_MODULES = ['mac', 'os2', 'nt', 'ntpath', 'dos', 'dospath',
+MAYMISS_MODULES = ['mac', 'nt', 'ntpath', 'dos', 'dospath',
'win32api', 'ce', '_winreg', 'nturl2path', 'sitecustomize',
'org.python.core', 'riscos', 'riscosenviron', 'riscospath'
]
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -125,6 +125,8 @@
- Issue #15923: Fix a mistake in ``asdl_c.py`` that resulted in a TypeError
after 2801bf875a24 (see #15801).
+- Issue #16135: Remove OS/2 support.
+
- Issue #15819: Make sure we can build Python out-of-tree from a readonly source
directory. (Somewhat related to Issue #9860.)
diff --git a/Python/dynload_os2.c b/Python/dynload_os2.c
deleted file mode 100644
--- a/Python/dynload_os2.c
+++ /dev/null
@@ -1,42 +0,0 @@
-
-/* Support for dynamic loading of extension modules */
-
-#define INCL_DOSERRORS
-#define INCL_DOSMODULEMGR
-#include <os2.h>
-
-#include "Python.h"
-#include "importdl.h"
-
-
-const char *_PyImport_DynLoadFiletab[] = {".pyd", ".dll", NULL};
-
-dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
- const char *pathname, FILE *fp)
-{
- dl_funcptr p;
- APIRET rc;
- HMODULE hDLL;
- char failreason[256];
- char funcname[258];
-
- rc = DosLoadModule(failreason,
- sizeof(failreason),
- pathname,
- &hDLL);
-
- if (rc != NO_ERROR) {
- char errBuf[256];
- PyOS_snprintf(errBuf, sizeof(errBuf),
- "DLL load failed, rc = %d: %.200s",
- rc, failreason);
- PyErr_SetString(PyExc_ImportError, errBuf);
- return NULL;
- }
-
- PyOS_snprintf(funcname, sizeof(funcname), "PyInit_%.200s", shortname);
- rc = DosQueryProcAddr(hDLL, 0L, funcname, &p);
- if (rc != NO_ERROR)
- p = NULL; /* Signify Failure to Acquire Entrypoint */
- return p;
-}
diff --git a/Python/dynload_shlib.c b/Python/dynload_shlib.c
--- a/Python/dynload_shlib.c
+++ b/Python/dynload_shlib.c
@@ -18,10 +18,6 @@
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
-#else
-#if defined(PYOS_OS2) && defined(PYCC_GCC)
-#include "dlfcn.h"
-#endif
#endif
#if (defined(__OpenBSD__) || defined(__NetBSD__)) && !defined(__ELF__)
@@ -40,10 +36,6 @@
#ifdef __CYGWIN__
".dll",
#else /* !__CYGWIN__ */
-#if defined(PYOS_OS2) && defined(PYCC_GCC)
- ".pyd",
- ".dll",
-#else /* !(defined(PYOS_OS2) && defined(PYCC_GCC)) */
#ifdef __VMS
".exe",
".EXE",
@@ -52,7 +44,6 @@
".abi" PYTHON_ABI_STRING ".so",
".so",
#endif /* __VMS */
-#endif /* defined(PYOS_OS2) && defined(PYCC_GCC) */
#endif /* __CYGWIN__ */
NULL,
};
@@ -111,9 +102,7 @@
}
}
-#if !(defined(PYOS_OS2) && defined(PYCC_GCC))
dlopenflags = PyThreadState_GET()->interp->dlopenflags;
-#endif
#ifdef __VMS
/* VMS currently don't allow a pathname, use a logical name instead */
diff --git a/Python/importdl.h b/Python/importdl.h
--- a/Python/importdl.h
+++ b/Python/importdl.h
@@ -18,13 +18,8 @@
#include <windows.h>
typedef FARPROC dl_funcptr;
#else
-#if defined(PYOS_OS2) && !defined(PYCC_GCC)
-#include <os2def.h>
-typedef int (* APIENTRY dl_funcptr)();
-#else
typedef void (*dl_funcptr)(void);
#endif
-#endif
#ifdef __cplusplus
diff --git a/Python/thread.c b/Python/thread.c
--- a/Python/thread.c
+++ b/Python/thread.c
@@ -91,10 +91,6 @@
#include "thread_nt.h"
#endif
-#ifdef OS2_THREADS
-#define PYTHREAD_NAME "os2"
-#include "thread_os2.h"
-#endif
/*
#ifdef FOOBAR_THREADS
diff --git a/Python/thread_os2.h b/Python/thread_os2.h
deleted file mode 100644
--- a/Python/thread_os2.h
+++ /dev/null
@@ -1,267 +0,0 @@
-/* This code implemented by cvale at netcom.com */
-
-#define INCL_DOSPROCESS
-#define INCL_DOSSEMAPHORES
-#include "os2.h"
-#include "limits.h"
-
-#include "process.h"
-
-#if defined(PYCC_GCC)
-#include <sys/builtin.h>
-#include <sys/fmutex.h>
-#else
-long PyThread_get_thread_ident(void);
-#endif
-
-/* default thread stack size of 64kB */
-#if !defined(THREAD_STACK_SIZE)
-#define THREAD_STACK_SIZE 0x10000
-#endif
-
-#define OS2_STACKSIZE(x) (x ? x : THREAD_STACK_SIZE)
-
-/*
- * Initialization of the C package, should not be needed.
- */
-static void
-PyThread__init_thread(void)
-{
-}
-
-/*
- * Thread support.
- */
-long
-PyThread_start_new_thread(void (*func)(void *), void *arg)
-{
- int thread_id;
-
- thread_id = _beginthread(func,
- NULL,
- OS2_STACKSIZE(_pythread_stacksize),
- arg);
-
- if (thread_id == -1) {
- dprintf(("_beginthread failed. return %ld\n", errno));
- }
-
- return thread_id;
-}
-
-long
-PyThread_get_thread_ident(void)
-{
-#if !defined(PYCC_GCC)
- PPIB pib;
- PTIB tib;
-#endif
-
- if (!initialized)
- PyThread_init_thread();
-
-#if defined(PYCC_GCC)
- return _gettid();
-#else
- DosGetInfoBlocks(&tib, &pib);
- return tib->tib_ptib2->tib2_ultid;
-#endif
-}
-
-void
-PyThread_exit_thread(void)
-{
- dprintf(("%ld: PyThread_exit_thread called\n",
- PyThread_get_thread_ident()));
- if (!initialized)
- exit(0);
- _endthread();
-}
-
-/*
- * Lock support. This is implemented with an event semaphore and critical
- * sections to make it behave more like a posix mutex than its OS/2
- * counterparts.
- */
-
-typedef struct os2_lock_t {
- int is_set;
- HEV changed;
-} *type_os2_lock;
-
-PyThread_type_lock
-PyThread_allocate_lock(void)
-{
-#if defined(PYCC_GCC)
- _fmutex *sem = malloc(sizeof(_fmutex));
- if (!initialized)
- PyThread_init_thread();
- dprintf(("%ld: PyThread_allocate_lock() -> %lx\n",
- PyThread_get_thread_ident(),
- (long)sem));
- if (_fmutex_create(sem, 0)) {
- free(sem);
- sem = NULL;
- }
- return (PyThread_type_lock)sem;
-#else
- APIRET rc;
- type_os2_lock lock = (type_os2_lock)malloc(sizeof(struct os2_lock_t));
-
- dprintf(("PyThread_allocate_lock called\n"));
- if (!initialized)
- PyThread_init_thread();
-
- lock->is_set = 0;
-
- DosCreateEventSem(NULL, &lock->changed, 0, 0);
-
- dprintf(("%ld: PyThread_allocate_lock() -> %p\n",
- PyThread_get_thread_ident(),
- lock->changed));
-
- return (PyThread_type_lock)lock;
-#endif
-}
-
-void
-PyThread_free_lock(PyThread_type_lock aLock)
-{
-#if !defined(PYCC_GCC)
- type_os2_lock lock = (type_os2_lock)aLock;
-#endif
-
- dprintf(("%ld: PyThread_free_lock(%p) called\n",
- PyThread_get_thread_ident(),aLock));
-
-#if defined(PYCC_GCC)
- if (aLock) {
- _fmutex_close((_fmutex *)aLock);
- free((_fmutex *)aLock);
- }
-#else
- DosCloseEventSem(lock->changed);
- free(aLock);
-#endif
-}
-
-/*
- * Return 1 on success if the lock was acquired
- *
- * and 0 if the lock was not acquired.
- */
-int
-PyThread_acquire_lock(PyThread_type_lock aLock, int waitflag)
-{
-#if !defined(PYCC_GCC)
- int done = 0;
- ULONG count;
- PID pid = 0;
- TID tid = 0;
- type_os2_lock lock = (type_os2_lock)aLock;
-#endif
-
- dprintf(("%ld: PyThread_acquire_lock(%p, %d) called\n",
- PyThread_get_thread_ident(),
- aLock,
- waitflag));
-
-#if defined(PYCC_GCC)
- /* always successful if the lock doesn't exist */
- if (aLock &&
- _fmutex_request((_fmutex *)aLock, waitflag ? 0 : _FMR_NOWAIT))
- return 0;
-#else
- while (!done) {
- /* if the lock is currently set, we have to wait for
- * the state to change
- */
- if (lock->is_set) {
- if (!waitflag)
- return 0;
- DosWaitEventSem(lock->changed, SEM_INDEFINITE_WAIT);
- }
-
- /* enter a critical section and try to get the semaphore. If
- * it is still locked, we will try again.
- */
- if (DosEnterCritSec())
- return 0;
-
- if (!lock->is_set) {
- lock->is_set = 1;
- DosResetEventSem(lock->changed, &count);
- done = 1;
- }
-
- DosExitCritSec();
- }
-#endif
-
- return 1;
-}
-
-void
-PyThread_release_lock(PyThread_type_lock aLock)
-{
-#if !defined(PYCC_GCC)
- type_os2_lock lock = (type_os2_lock)aLock;
-#endif
-
- dprintf(("%ld: PyThread_release_lock(%p) called\n",
- PyThread_get_thread_ident(),
- aLock));
-
-#if defined(PYCC_GCC)
- if (aLock)
- _fmutex_release((_fmutex *)aLock);
-#else
- if (!lock->is_set) {
- dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n",
- PyThread_get_thread_ident(),
- aLock,
- GetLastError()));
- return;
- }
-
- if (DosEnterCritSec()) {
- dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n",
- PyThread_get_thread_ident(),
- aLock,
- GetLastError()));
- return;
- }
-
- lock->is_set = 0;
- DosPostEventSem(lock->changed);
-
- DosExitCritSec();
-#endif
-}
-
-/* minimum/maximum thread stack sizes supported */
-#define THREAD_MIN_STACKSIZE 0x8000 /* 32kB */
-#define THREAD_MAX_STACKSIZE 0x2000000 /* 32MB */
-
-/* set the thread stack size.
- * Return 0 if size is valid, -1 otherwise.
- */
-static int
-_pythread_os2_set_stacksize(size_t size)
-{
- /* set to default */
- if (size == 0) {
- _pythread_stacksize = 0;
- return 0;
- }
-
- /* valid range? */
- if (size >= THREAD_MIN_STACKSIZE && size < THREAD_MAX_STACKSIZE) {
- _pythread_stacksize = size;
- return 0;
- }
-
- return -1;
-}
-
-#define THREAD_SET_STACKSIZE(x) _pythread_os2_set_stacksize(x)
--
Repository URL: http://hg.python.org/cpython
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