std-python/python3.8.10/Python/dynload_hpux.c · Madision-Jack/python

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python

std-python

python3.8.10

Python

dynload_hpux.c

dynload_hpux.c 2.17 KB

/* Support for dynamic loading of extension modules */

#include "dl.h"
#include <errno.h>

#include "Python.h"
#include "importdl.h"
#include "pycore_pystate.h"

#if defined(__hp9000s300)
#define FUNCNAME_PATTERN "_%.20s_%.200s"
#else
#define FUNCNAME_PATTERN "%.20s_%.200s"
#endif

const char *_PyImport_DynLoadFiletab[] = {SHLIB_EXT, NULL};

dl_funcptr _PyImport_FindSharedFuncptr(const char *prefix,
 const char *shortname,
 const char *pathname, FILE *fp)
{
 int flags = BIND_FIRST | BIND_DEFERRED;
 int verbose = _PyInterpreterState_GET_UNSAFE()->config.verbose;
 if (verbose) {
 flags = BIND_FIRST | BIND_IMMEDIATE |
 BIND_NONFATAL | BIND_VERBOSE;
 printf("shl_load %s\n",pathname);
 }

shl_t lib = shl_load(pathname, flags, 0);
 /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
 if (lib == NULL) {
 if (verbose) {
 perror(pathname);
 }
 char buf[256];
 PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s",
 pathname);
 PyObject *buf_ob = PyUnicode_DecodeFSDefault(buf);
 if (buf_ob == NULL)
 return NULL;
 PyObject *shortname_ob = PyUnicode_FromString(shortname);
 if (shortname_ob == NULL) {
 Py_DECREF(buf_ob);
 return NULL;
 }
 PyObject *pathname_ob = PyUnicode_DecodeFSDefault(pathname);
 if (pathname_ob == NULL) {
 Py_DECREF(buf_ob);
 Py_DECREF(shortname_ob);
 return NULL;
 }
 PyErr_SetImportError(buf_ob, shortname_ob, pathname_ob);
 Py_DECREF(buf_ob);
 Py_DECREF(shortname_ob);
 Py_DECREF(pathname_ob);
 return NULL;
 }

char funcname[258];
 PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN,
 prefix, shortname);
 if (verbose) {
 printf("shl_findsym %s\n", funcname);
 }

dl_funcptr p;
 if (shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p) == -1) {
 shl_unload(lib);
 p = NULL;
 }
 if (p == NULL && verbose) {
 perror(funcname);
 }
 return p;
}

一键复制编辑原始数据按行查看历史

bayanxing 提交于 2021年10月22日 16:55 +08:00 . python3.8 for openharmony l2

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77


/* Support for dynamic loading of extension modules */

#include "dl.h"
#include <errno.h>

#include "Python.h"
#include "importdl.h"
#include "pycore_pystate.h"

#if defined(__hp9000s300)
#define FUNCNAME_PATTERN "_%.20s_%.200s"
#else
#define FUNCNAME_PATTERN "%.20s_%.200s"
#endif

const char *_PyImport_DynLoadFiletab[] = {SHLIB_EXT, NULL};

dl_funcptr _PyImport_FindSharedFuncptr(const char *prefix,
 const char *shortname,
 const char *pathname, FILE *fp)
{
 int flags = BIND_FIRST | BIND_DEFERRED;
 int verbose = _PyInterpreterState_GET_UNSAFE()->config.verbose;
 if (verbose) {
 flags = BIND_FIRST | BIND_IMMEDIATE |
 BIND_NONFATAL | BIND_VERBOSE;
 printf("shl_load %s\n",pathname);
 }

 shl_t lib = shl_load(pathname, flags, 0);
 /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
 if (lib == NULL) {
 if (verbose) {
 perror(pathname);
 }
 char buf[256];
 PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s",
 pathname);
 PyObject *buf_ob = PyUnicode_DecodeFSDefault(buf);
 if (buf_ob == NULL)
 return NULL;
 PyObject *shortname_ob = PyUnicode_FromString(shortname);
 if (shortname_ob == NULL) {
 Py_DECREF(buf_ob);
 return NULL;
 }
 PyObject *pathname_ob = PyUnicode_DecodeFSDefault(pathname);
 if (pathname_ob == NULL) {
 Py_DECREF(buf_ob);
 Py_DECREF(shortname_ob);
 return NULL;
 }
 PyErr_SetImportError(buf_ob, shortname_ob, pathname_ob);
 Py_DECREF(buf_ob);
 Py_DECREF(shortname_ob);
 Py_DECREF(pathname_ob);
 return NULL;
 }

 char funcname[258];
 PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN,
 prefix, shortname);
 if (verbose) {
 printf("shl_findsym %s\n", funcname);
 }

 dl_funcptr p;
 if (shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p) == -1) {
 shl_unload(lib);
 p = NULL;
 }
 if (p == NULL && verbose) {
 perror(funcname);
 }
 return p;
}