diff options
| author | Thomas Schwinge <thomas@codesourcery.com> | 2013-09-26 11:33:07 +0200 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2013-09-26 11:33:07 +0200 |
| commit | ad6980f0500d745c8861c29c4015039743620bad (patch) | |
| tree | b638fc3be4b4443083d9ffa2e7aaa392af1f41f0 /faq/libpthread_dlopen.mdwn | |
| parent | 0778fcfda1239476f175c872f6fd1d085e8c3b09 (diff) | |
faq/libpthread_plugin -> faq/libpthread_dlopen.
Diffstat (limited to 'faq/libpthread_dlopen.mdwn')
| -rw-r--r-- | faq/libpthread_dlopen.mdwn | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/faq/libpthread_dlopen.mdwn b/faq/libpthread_dlopen.mdwn new file mode 100644 index 00000000..5fb77767 --- /dev/null +++ b/faq/libpthread_dlopen.mdwn @@ -0,0 +1,25 @@ +[[!meta copyright="Copyright © 2013 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!tag faq/open_issues]] + +[[!meta title="Assertion `__pthread_threads' failed"]] + +Some applications don't themselves link against libpthread, but then load +plugins which do link against libpthread. This means internally switching from +single-threading to multi-threading, which is [[not yet +supported|open_issues/libpthread_dlopen]] by our [[/libpthread]], and results +in errors such as: + + ./pthread/../sysdeps/generic/pt-mutex-timedlock.c:70: __pthread_mutex_timedlock_internal: Assertion `__pthread_threads' failed. + +This can be worked around by explicitly pre-loading libpthread, for example: + + $ LD_PRELOAD=/lib/i386-gnu/libpthread.so.0.3 [application] |