From b48925a4060243688c108d0df1e102eb7a1580d0 Mon Sep 17 00:00:00 2001 From: Jesus Cea Date: Fri, 5 Oct 2012 01:04:27 +0200 Subject: #16135: Removal of OS/2 support (I) --- 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(-) delete mode 100644 Python/dynload_os2.c delete mode 100644 Python/thread_os2.h diff --git a/Mac/Tools/bundlebuilder.py b/Mac/Tools/bundlebuilder.py index 6cc130f..f5679d3 100644 --- a/Mac/Tools/bundlebuilder.py +++ b/Mac/Tools/bundlebuilder.py @@ -270,7 +270,7 @@ __load() 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 index 44083e0..08d4794 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -125,6 +125,8 @@ Build - 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 index 0e1b907..0000000 --- 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 - -#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 index 6df6199..46fed6e 100644 --- a/Python/dynload_shlib.c +++ b/Python/dynload_shlib.c @@ -18,10 +18,6 @@ #ifdef HAVE_DLFCN_H #include -#else -#if defined(PYOS_OS2) && defined(PYCC_GCC) -#include "dlfcn.h" -#endif #endif #if (defined(__OpenBSD__) || defined(__NetBSD__)) && !defined(__ELF__) @@ -40,10 +36,6 @@ const char *_PyImport_DynLoadFiletab[] = { #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 @@ const char *_PyImport_DynLoadFiletab[] = { ".abi" PYTHON_ABI_STRING ".so", ".so", #endif /* __VMS */ -#endif /* defined(PYOS_OS2) && defined(PYCC_GCC) */ #endif /* __CYGWIN__ */ NULL, }; @@ -111,9 +102,7 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname, } } -#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 index 6b9cf75..6a51a91 100644 --- a/Python/importdl.h +++ b/Python/importdl.h @@ -18,13 +18,8 @@ extern PyObject *_PyImport_LoadDynamicModule(PyObject *name, PyObject *pathname, #include typedef FARPROC dl_funcptr; #else -#if defined(PYOS_OS2) && !defined(PYCC_GCC) -#include -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 index e55d342..25ab16e 100644 --- a/Python/thread.c +++ b/Python/thread.c @@ -91,10 +91,6 @@ static size_t _pythread_stacksize = 0; #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 index 1b264b5..0000000 --- a/Python/thread_os2.h +++ /dev/null @@ -1,267 +0,0 @@ -/* This code implemented by cvale@netcom.com */ - -#define INCL_DOSPROCESS -#define INCL_DOSSEMAPHORES -#include "os2.h" -#include "limits.h" - -#include "process.h" - -#if defined(PYCC_GCC) -#include -#include -#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) -- cgit v0.12