Mercurial > cpython-lru_cache-weakref

annotate Python/dynload_hpux.c @ 49955:878d40468c4e legacy-trunk

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Issue #4384: Added logging integration with warnings module using captureWarnings(). This change includes a NullHandler which does nothing; it will be of use to library developers who want to avoid the "No handlers could be found for logger XXX" message which can appear if the library user doesn't configure logging.
author Vinay Sajip <vinay_sajip@yahoo.co.uk>
date Wed, 03 Dec 2008 23:22:58 +0000
parents c4907d990db5
children fd25030223b0 94f64f11fdd0
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1
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2 /* Support for dynamic loading of extension modules */
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3
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4 #include "dl.h"
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5 #include <errno.h>
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6
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7 #include "Python.h"
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8 #include "importdl.h"
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9
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10 #if defined(__hp9000s300)
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11 #define FUNCNAME_PATTERN "_init%.200s"
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12 #else
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13 #define FUNCNAME_PATTERN "init%.200s"
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14 #endif
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16 const struct filedescr _PyImport_DynLoadFiletab[] = {
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17 {SHLIB_EXT, "rb", C_EXTENSION},
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18 {"module"SHLIB_EXT, "rb", C_EXTENSION},
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19 {0, 0}
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20 };
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21
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22 dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
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23 const char *pathname, FILE *fp)
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24 {
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25 dl_funcptr p;
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26 shl_t lib;
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27 int flags;
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28 char funcname[258];
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29
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30 flags = BIND_FIRST | BIND_DEFERRED;
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31 if (Py_VerboseFlag) {
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32 flags = BIND_FIRST | BIND_IMMEDIATE |
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33 BIND_NONFATAL | BIND_VERBOSE;
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34 printf("shl_load %s\n",pathname);
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35 }
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36 lib = shl_load(pathname, flags, 0);
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37 /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
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38 if (lib == NULL) {
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39 char buf[256];
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40 if (Py_VerboseFlag)
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41 perror(pathname);
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42 PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s",
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43 pathname);
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44 PyErr_SetString(PyExc_ImportError, buf);
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45 return NULL;
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46 }
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47 PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN, shortname);
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48 if (Py_VerboseFlag)
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49 printf("shl_findsym %s\n", funcname);
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50 if (shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p) == -1) {
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51 shl_unload(lib);
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52 p = NULL;
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53 }
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54 if (p == NULL && Py_VerboseFlag)
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55 perror(funcname);
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56
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57 return p;
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58 }