diff options
Diffstat (limited to 'contrib/perl5/README.threads')
-rw-r--r-- | contrib/perl5/README.threads | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/contrib/perl5/README.threads b/contrib/perl5/README.threads index 952623f..136b156 100644 --- a/contrib/perl5/README.threads +++ b/contrib/perl5/README.threads @@ -1,3 +1,10 @@ +NOTE + +Threading is a highly experimental feature. There are still a +few race conditions that show up under high contention on SMP +machines. Internal implementation is still subject to changes. +It is not recommended for production use at this time. + Building If you want to build with multi-threading support and you are @@ -27,7 +34,8 @@ work or you are using another platform which you believe supports POSIX.1c threads then read on. Additional information may be in a platform-specific "hints" file in the hints/ subdirectory. -Omit the -d from your ./Configure arguments. For example, use +On other platforms that use Configure to build perl, omit the -d +from your ./Configure arguments. For example, use: ./Configure -Dusethreads @@ -92,6 +100,10 @@ For AIX: Add -lc_r to libswanted Change -lc in lddflags to be -lpthread -lc_r -lc +For Win32: + See README.win32, and the notes at the beginning of win32/Makefile + or win32/makefile.mk. + Now you can do a make @@ -147,11 +159,8 @@ libraries were not compiled to be thread-aware). Bugs * FAKE_THREADS should produce a working perl but the Thread -extension won't build with it yet. - -* There's a known memory leak (curstack isn't freed at the end -of each thread because it causes refcount problems that I -haven't tracked down yet) and there are very probably others too. +extension won't build with it yet. (FAKE_THREADS has not been +tested at all in recent times.) * There may still be races where bugs show up under contention. @@ -275,3 +284,6 @@ Last updated: 27 November 1997 Configure-related info updated 16 July 1998 by Andy Dougherty <doughera@lafayette.edu> + +Other minor updates 10 Feb 1999 by +Gurusamy Sarathy |