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| author | Malcolm Beattie <mbeattie@sable.ox.ac.uk> | 1997-09-09 16:57:41 +0000 |
|---|---|---|
| committer | Malcolm Beattie <mbeattie@sable.ox.ac.uk> | 1997-09-09 16:57:41 +0000 |
| commit | 1304aa9d125296870a384c81cea5102c45d467c8 (patch) | |
| tree | 7474f81aed1fb5a6bf3dc8ea43eb69c86ed21760 /README.threads | |
| parent | 43fe56beebc72806ffb19652942eb76c3e4dedd7 (diff) | |
| download | perl-1304aa9d125296870a384c81cea5102c45d467c8.tar.gz | |
Update README.threads to mention -DL.
p4raw-id: //depot/perl@60
Diffstat (limited to 'README.threads')
| -rw-r--r-- | README.threads | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/README.threads b/README.threads index 9e7b4d439b..12abbe51a0 100644 --- a/README.threads +++ b/README.threads @@ -105,6 +105,18 @@ haven't tracked down yet) and there are very probably others too. * Plenty of others +Debugging + +Use the -DL command-line option to turn on debugging of the +multi-threading code. Under Linux, that also turns on a quick +hack I did to grab a bit of extra information from segfaults. +If you have a fancier gdb/threads setup than I do then you'll +have to delete the lines in perl.c which say + #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) + DEBUG_L(signal(SIGSEGV, (void(*)(int))catch_sigsegv);); + #endif + + Background Some old globals (e.g. stack_sp, op) and some old per-interpreter |