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dln.c: check incompatible libruby

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* dln.c (dln_load): check if a different libruby is loaded by the
  extension library, and then bail out to get rid of very frequent
  reported stale bug reports.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50412 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-05-01 04:30:26 +00:00
parent 2d3a0fa61b
commit f2604ef512
2 changed files with 21 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Fri May 1 13:30:24 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* dln.c (dln_load): check if a different libruby is loaded by the
extension library, and then bail out to get rid of very frequent
reported stale bug reports.
Thu Apr 30 19:51:11 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* compile.c (iseq_compile_each): revert r46873 and r46875, not to

15
dln.c
View file

@ -1324,6 +1324,21 @@ dln_load(const char *file)
error = dln_strerror();
goto failed;
}
# if defined RUBY_EXPORT
{
static const char incompatible[] = "incompatible library version";
void *ex = dlsym(handle, EXPORT_PREFIX"ruby_xmalloc");
if (ex && ex != ruby_xmalloc) {
# if !defined __APPLE__
/* dlclose() segfaults */
dlclose(handle);
# endif
error = incompatible;
goto failed;
}
}
# endif
init_fct = (void(*)())(VALUE)dlsym(handle, buf);
if (init_fct == NULL) {