Mercurial > cpython-lru_cache-weakref
annotate Python/dynload_shlib.c @ 45852:30c4e1ca8421
Merged revisions 61431,61433-61436,61439,61444,61449-61450,61453,61458,61465,61468,61471-61474,61480,61483-61484,61488,61495-61496,61498,61503-61504,61507,61509-61510,61515-61518 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r61431 | vinay.sajip | 2008-03-16 22:35:58 +0100 (So, 16 Mär 2008) | 1 line
Clarified documentation on use of shutdown().
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r61433 | mark.summerfield | 2008-03-17 09:28:15 +0100 (Mo, 17 Mär 2008) | 5 lines
Added a footnote to each pointing out that for XML output if an encoding
string is given it should conform to the appropriate XML standards---for
example, "UTF-8" is okay, but "UTF8" is not.
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r61434 | eric.smith | 2008-03-17 12:01:01 +0100 (Mo, 17 Mär 2008) | 7 lines
Issue 2264: empty float presentation type needs to have at least one digit past the decimal point.
Added "Z" format_char to PyOS_ascii_formatd to support empty float presentation type.
Renamed buf_size in PyOS_ascii_formatd to more accurately reflect it's meaning.
Modified format.__float__ to use the new "Z" format as the default.
Added test cases.
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r61435 | eric.smith | 2008-03-17 13:14:29 +0100 (Mo, 17 Mär 2008) | 2 lines
Reformated lines > 79 chars.
Deleted unused macro ISXDIGIT.
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r61436 | jeffrey.yasskin | 2008-03-17 15:40:53 +0100 (Mo, 17 Mär 2008) | 13 lines
Allow Gnu gcc's to build python on OSX by removing -Wno-long-double,
-no-cpp-precomp, and -mno-fused-madd from configure.
* r22183 added -no-cpp-precomp, which
http://gcc.gnu.org/ml/gcc/2005-12/msg00368.html claims hasn't been
needed since gcc-3.1.
* r25607 added -Wno-long-double to avoid a warning in
Include/objimpl.h (issue 525481). The long double is still there,
but OSX 10.4's gcc no longer warns about it.
* r33666 fixed issue 775892 on OSX 10.3 by adding -mno-fused-madd,
which changed the sign of some float 0s. Tim Peters said it wasn't
a real issue anyway, and it no longer causes test failures.
Fixes issue #1779871.
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r61439 | martin.v.loewis | 2008-03-17 17:31:57 +0100 (Mo, 17 Mär 2008) | 2 lines
Add Trent Nelson.
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r61444 | travis.oliphant | 2008-03-17 18:36:12 +0100 (Mo, 17 Mär 2008) | 1 line
Add necessary headers to back-port new buffer protocol to Python 2.6
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r61449 | gregory.p.smith | 2008-03-17 19:48:05 +0100 (Mo, 17 Mär 2008) | 8 lines
Force zlib.crc32 and zlib.adler32 to return a signed integer on all platforms
regardless of the native sizeof(long) used in the integer object.
This somewhat odd behavior of returning a signed is maintained in 2.x for
compatibility reasons of always returning an integer rather than a long object.
Fixes Issue1202 for Python 2.6
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r61450 | neal.norwitz | 2008-03-17 20:02:45 +0100 (Mo, 17 Mär 2008) | 3 lines
Use a buffer large enough to ensure we don't overrun, even if the value
is outside the range we expect.
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r61453 | steven.bethard | 2008-03-17 20:33:11 +0100 (Mo, 17 Mär 2008) | 1 line
Document unicode.isnumeric() and unicode.isdecimal() (issue2326)
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r61458 | neal.norwitz | 2008-03-17 21:22:43 +0100 (Mo, 17 Mär 2008) | 5 lines
Issue 2321: reduce memory usage (increase the memory that is returned
to the system) by using pymalloc for the data of unicode objects.
Will backport.
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r61465 | martin.v.loewis | 2008-03-17 22:55:30 +0100 (Mo, 17 Mär 2008) | 2 lines
Add David Wolever.
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r61468 | gregory.p.smith | 2008-03-18 01:20:01 +0100 (Di, 18 Mär 2008) | 3 lines
Fix the IOError message text when opening a file with an invalid filename.
Error reported by Ilan Schnell.
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r61471 | brett.cannon | 2008-03-18 02:00:07 +0100 (Di, 18 Mär 2008) | 2 lines
Convert test_strftime, test_getargs, and test_pep247 to use unittest.
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r61472 | jeffrey.yasskin | 2008-03-18 02:09:59 +0100 (Di, 18 Mär 2008) | 2 lines
Fix build on platforms that don't have intptr_t. Patch by Joseph Armbruster.
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r61473 | brett.cannon | 2008-03-18 02:50:25 +0100 (Di, 18 Mär 2008) | 2 lines
Convert test_dummy_threading and test_dbm to unittest.
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r61474 | brett.cannon | 2008-03-18 02:58:56 +0100 (Di, 18 Mär 2008) | 2 lines
Move test_extcall to doctest.
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r61480 | brett.cannon | 2008-03-18 04:46:22 +0100 (Di, 18 Mär 2008) | 2 lines
test_errno was a no-op test; now it actually tests things and uses unittest.
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r61483 | brett.cannon | 2008-03-18 05:09:00 +0100 (Di, 18 Mär 2008) | 3 lines
Remove our implementation of memmove() and strerror(); both are in the C89
standard library.
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r61484 | brett.cannon | 2008-03-18 05:16:06 +0100 (Di, 18 Mär 2008) | 2 lines
The output directory for tests that compare against stdout is now gone!
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r61488 | jeffrey.yasskin | 2008-03-18 05:29:35 +0100 (Di, 18 Mär 2008) | 2 lines
Block the "socket.ssl() is deprecated" warning from test_socket_ssl.
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r61495 | jeffrey.yasskin | 2008-03-18 05:56:06 +0100 (Di, 18 Mär 2008) | 4 lines
Speed test_thread up from 51.328s to 0.081s by reducing its sleep times. We
still sleep at all to make it likely that all threads are active at the same
time.
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r61496 | jeffrey.yasskin | 2008-03-18 06:12:41 +0100 (Di, 18 Mär 2008) | 4 lines
Speed up test_dict by about 10x by only checking selected dict literal sizes,
instead of every integer from 0 to 400. Exhaustive testing wastes time without
providing enough more assurance that the code is correct.
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r61498 | neal.norwitz | 2008-03-18 06:20:29 +0100 (Di, 18 Mär 2008) | 1 line
Try increasing the timeout to reduce the flakiness of this test.
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r61503 | brett.cannon | 2008-03-18 06:43:04 +0100 (Di, 18 Mär 2008) | 2 lines
Improve the error message for a test that failed on the S-390 Debian buildbot.
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r61504 | jeffrey.yasskin | 2008-03-18 06:45:40 +0100 (Di, 18 Mär 2008) | 3 lines
Add a -S/--slow flag to regrtest to have it print the 10 slowest tests with
their times.
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r61507 | neal.norwitz | 2008-03-18 07:03:46 +0100 (Di, 18 Mär 2008) | 1 line
Add some info to the failure messages
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r61509 | trent.nelson | 2008-03-18 08:02:12 +0100 (Di, 18 Mär 2008) | 1 line
Issue 2286: bump up the stack size of the 64-bit debug python_d.exe to 2100000. The default value of 200000 causes a stack overflow at 1965 iterations of r_object() in marshal.c, 35 iterations before the 2000 limit enforced by MAX_MARSHAL_STACK_DEPTH.
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r61510 | trent.nelson | 2008-03-18 08:32:47 +0100 (Di, 18 Mär 2008) | 5 lines
The behaviour of winsound.Beep() seems to differ between different versions of Windows when there's either:
a) no sound card entirely
b) legacy beep driver has been disabled
c) the legacy beep driver has been uninstalled
Sometimes RuntimeErrors are raised, sometimes they're not. If _have_soundcard() returns False, don't expect winsound.Beep() to raise a RuntimeError, as this clearly isn't the case, as demonstrated by the various Win32 XP buildbots.
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r61515 | martin.v.loewis | 2008-03-18 13:20:15 +0100 (Di, 18 Mär 2008) | 2 lines
norwitz-amd64 (gentoo) has EREMOTEIO.
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r61516 | martin.v.loewis | 2008-03-18 13:45:37 +0100 (Di, 18 Mär 2008) | 2 lines
Add more Linux error codes.
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r61517 | martin.v.loewis | 2008-03-18 14:05:03 +0100 (Di, 18 Mär 2008) | 2 lines
Add WSA errors.
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r61518 | martin.v.loewis | 2008-03-18 14:16:05 +0100 (Di, 18 Mär 2008) | 2 lines
Note that the stderr output of the test is intentional.
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| author | Christian Heimes <christian@cheimes.de> |
|---|---|
| date | Tue, 18 Mar 2008 15:15:01 +0000 |
| parents | 6149483f7a3d |
| children | fd25030223b0 94f64f11fdd0 |
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2 /* Support for dynamic loading of extension modules */ |
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4 #include "Python.h" |
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7 #include <sys/types.h> |
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8 #include <sys/stat.h> |
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10 #if defined(__NetBSD__) |
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11 #include <sys/param.h> |
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12 #if (NetBSD < 199712) |
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13 #include <nlist.h> |
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14 #include <link.h> |
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15 #define dlerror() "error in dynamic linking" |
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16 #endif |
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17 #endif /* NetBSD */ |
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19 #ifdef HAVE_DLFCN_H |
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20 #include <dlfcn.h> |
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21 #else |
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22 #if defined(PYOS_OS2) && defined(PYCC_GCC) |
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23 #include "dlfcn.h" |
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24 #endif |
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27 #if (defined(__OpenBSD__) || defined(__NetBSD__)) && !defined(__ELF__) |
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28 #define LEAD_UNDERSCORE "_" |
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29 #else |
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30 #define LEAD_UNDERSCORE "" |
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31 #endif |
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34 const struct filedescr _PyImport_DynLoadFiletab[] = { |
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35 #ifdef __CYGWIN__ |
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36 {".dll", "rb", C_EXTENSION}, |
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37 {"module.dll", "rb", C_EXTENSION}, |
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38 #else |
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39 #if defined(PYOS_OS2) && defined(PYCC_GCC) |
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40 {".pyd", "rb", C_EXTENSION}, |
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41 {".dll", "rb", C_EXTENSION}, |
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42 #else |
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43 #ifdef __VMS |
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44 {".exe", "rb", C_EXTENSION}, |
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45 {".EXE", "rb", C_EXTENSION}, |
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46 {"module.exe", "rb", C_EXTENSION}, |
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47 {"MODULE.EXE", "rb", C_EXTENSION}, |
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48 #else |
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49 {".so", "rb", C_EXTENSION}, |
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50 {"module.so", "rb", C_EXTENSION}, |
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51 #endif |
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52 #endif |
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53 #endif |
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54 {0, 0} |
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55 }; |
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57 static struct { |
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58 dev_t dev; |
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59 #ifdef __VMS |
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60 ino_t ino[3]; |
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61 #else |
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62 ino_t ino; |
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63 #endif |
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64 void *handle; |
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65 } handles[128]; |
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66 static int nhandles = 0; |
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69 dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname, |
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70 const char *pathname, FILE *fp) |
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71 { |
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72 dl_funcptr p; |
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73 void *handle; |
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74 char funcname[258]; |
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75 char pathbuf[260]; |
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76 int dlopenflags=0; |
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77 |
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78 if (strchr(pathname, '/') == NULL) { |
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79 /* Prefix bare filename with "./" */ |
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80 PyOS_snprintf(pathbuf, sizeof(pathbuf), "./%-.255s", pathname); |
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81 pathname = pathbuf; |
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82 } |
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83 |
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84 PyOS_snprintf(funcname, sizeof(funcname), |
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85 LEAD_UNDERSCORE "init%.200s", shortname); |
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86 |
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87 if (fp != NULL) { |
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88 int i; |
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89 struct stat statb; |
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90 fstat(fileno(fp), &statb); |
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91 for (i = 0; i < nhandles; i++) { |
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92 if (statb.st_dev == handles[i].dev && |
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93 statb.st_ino == handles[i].ino) { |
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94 p = (dl_funcptr) dlsym(handles[i].handle, |
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95 funcname); |
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96 return p; |
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97 } |
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98 } |
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99 if (nhandles < 128) { |
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100 handles[nhandles].dev = statb.st_dev; |
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101 #ifdef __VMS |
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102 handles[nhandles].ino[0] = statb.st_ino[0]; |
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103 handles[nhandles].ino[1] = statb.st_ino[1]; |
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104 handles[nhandles].ino[2] = statb.st_ino[2]; |
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105 #else |
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106 handles[nhandles].ino = statb.st_ino; |
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107 #endif |
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108 } |
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109 } |
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110 |
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111 #if !(defined(PYOS_OS2) && defined(PYCC_GCC)) |
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112 dlopenflags = PyThreadState_GET()->interp->dlopenflags; |
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113 #endif |
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114 |
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115 if (Py_VerboseFlag) |
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116 PySys_WriteStderr("dlopen(\"%s\", %x);\n", pathname, |
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117 dlopenflags); |
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118 |
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119 #ifdef __VMS |
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120 /* VMS currently don't allow a pathname, use a logical name instead */ |
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121 /* Concatenate 'python_module_' and shortname */ |
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122 /* so "import vms.bar" will use the logical python_module_bar */ |
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123 /* As C module use only one name space this is probably not a */ |
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124 /* important limitation */ |
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125 PyOS_snprintf(pathbuf, sizeof(pathbuf), "python_module_%-.200s", |
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126 shortname); |
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127 pathname = pathbuf; |
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128 #endif |
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129 |
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130 handle = dlopen(pathname, dlopenflags); |
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131 |
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132 if (handle == NULL) { |
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133 const char *error = dlerror(); |
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134 if (error == NULL) |
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135 error = "unknown dlopen() error"; |
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136 PyErr_SetString(PyExc_ImportError, error); |
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137 return NULL; |
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138 } |
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139 if (fp != NULL && nhandles < 128) |
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140 handles[nhandles++].handle = handle; |
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141 p = (dl_funcptr) dlsym(handle, funcname); |
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142 return p; |
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143 } |
