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Diffstat (limited to 'hurd/libthreads.mdwn')
| -rw-r--r-- | hurd/libthreads.mdwn | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/hurd/libthreads.mdwn b/hurd/libthreads.mdwn deleted file mode 100644 index aa429d81..00000000 --- a/hurd/libthreads.mdwn +++ /dev/null @@ -1,39 +0,0 @@ -[[!meta copyright="Copyright © 2011, 2012, 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]]."]]"""]] - -`libthreads` a.k.a. C threads. - -**Note**: since Hurd migrated to [[libpthread]] as threading library, -the development and usage of libthreads has been discontinued. - - - -# Internals - -## Threading Model - -libthreads has a 1:1 threading model. - - -## Threads' Death - -A thread's death doesn't actually free the thread's stack (and maybe not the -associated Mach ports either). That's because there's no way to free the stack -after the thread dies (because the thread of control is gone); the stack needs -to be freed by something else, and there's nothing convenient to do it. There -are many ways to make it work. - -However, it isn't really a leak, because the unfreed resources do get used for -the next thread. So the issue is that the shrinkage of resource consumption -never happens, but it doesn't grow without bounds; it just stays at the maximum -even if the current number of threads is lower. - -The same issue exists in [[libpthread]]. |