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author | https://me.yahoo.com/a/g3Ccalpj0NhN566pHbUl6i9QF0QEkrhlfPM-#b1c14 <diana@web> | 2015-02-16 20:08:03 +0100 |
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committer | GNU Hurd web pages engine <web-hurd@gnu.org> | 2015-02-16 20:08:03 +0100 |
commit | 95878586ec7611791f4001a4ee17abf943fae3c1 (patch) | |
tree | 847cf658ab3c3208a296202194b16a6550b243cf /open_issues/glibc_libpthread_robust_mutexes.mdwn | |
parent | 8063426bf7848411b0ef3626d57be8cb4826715e (diff) | |
download | web-95878586ec7611791f4001a4ee17abf943fae3c1.tar.gz web-95878586ec7611791f4001a4ee17abf943fae3c1.tar.bz2 web-95878586ec7611791f4001a4ee17abf943fae3c1.zip |
rename open_issues.mdwn to service_solahart_jakarta_selatan__082122541663.mdwn
Diffstat (limited to 'open_issues/glibc_libpthread_robust_mutexes.mdwn')
-rw-r--r-- | open_issues/glibc_libpthread_robust_mutexes.mdwn | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/open_issues/glibc_libpthread_robust_mutexes.mdwn b/open_issues/glibc_libpthread_robust_mutexes.mdwn deleted file mode 100644 index a92c984d..00000000 --- a/open_issues/glibc_libpthread_robust_mutexes.mdwn +++ /dev/null @@ -1,54 +0,0 @@ -[[!meta copyright="Copyright © 2010 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 open_issue_glibc open_issue_libpthread]] - -libpthread: glibc 44e2ad5ab8c21dbfed3e384ba2ed31d7a8fc4744 -998e5fc14595229101561d76282036839e5b66ab -- The robust mutex functions are in -POSIX 2008. - ---- - -IRC, #hurd, unknown date. - - <youpi> neal: bad news: you remember the PTHREAD_RECURSIVE_MUTEX_INITIALIZER that points to a global __pthread_recursive_mutexattr? - <youpi> that doesn't work - <youpi> because some libraries like libstdc++ do not link against libpthread, while still using pthread_mutex_lock/unlock (counting on them being provided by either libc or libpthread-stubs) - <CIA-1> sthibaul-guest * r626 pkg-hurd/hurd/trunk/debian/ (changelog patches/series): - <CIA-1> * debian/patches/libpthread_rwlock_initializer.patch: Disable patch for now: - <CIA-1> our initializer does not work when the application does not link against - <CIA-1> libpthread. - - <CIA-1> sthibaul-guest * r629 pkg-hurd/hurd/trunk/debian/ (changelog patches/series): do not disable adding PTHREAD_RWLOCK_INITIALIZER, that's not the one that poses problems - <CIA-1> sthibaul-guest * r630 pkg-hurd/hurd/trunk/debian/ (3 files in 2 dirs): - <CIA-1> * debian/patches/libpthread_no_recursive_mutex_initializer.patch: New patch - <CIA-1> to drop undefined references to __pthread_recursive_mutexattr. - - <youpi> I'm thinking about how to fix the PTHREAD_RECURSIVE_MUTEX_INITIALIZER - <youpi> instead of a pointer to a static attribute variable, which posed problem - <youpi> could we perhaps consider that page 0 is never mapped - <youpi> and thus not only pointer 0 but also 1 2, etc. are invalid - <neal> I think that is a good solution - <youpi> and use them as special values - <neal> alternatively, we could assume that -PAGESIZE is never valid - <youpi> that makes us test it in all pthread_mutex_* functions, but it's not so bad - <neal> I'm not sure which is better - <youpi> why isn't it? - <neal> because the kernel is mapped there normally - <youpi> the kernel could be elsewhere - <neal> true - <youpi> in a 64bit adressing space for instance - <neal> I think your solution is a good one - <youpi> ok - - <CIA-1> sthibault * r633 pkg-hurd/hurd/trunk/debian/ (3 files in 2 dirs): - <CIA-1> * debian/patches/libpthread_recursive_mutex_initializer.patch: New patch - <CIA-1> to fix the recursive mutex initializers usage in libraries not linking - <CIA-1> against libpthread. |