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| author | davidxu <davidxu@FreeBSD.org> | 2004-01-03 02:02:26 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2004-01-03 02:02:26 +0000 |
| commit | f39653dda8a5ba30d080c073e76f4065a6bf4b48 (patch) | |
| tree | 14d49d69e2829a6224271d42946d9bec5a5f9ada /share/termcap | |
| parent | 5b9bbee08a34c013ab6b7b6432dd37835012f868 (diff) | |
| download | FreeBSD-src-f39653dda8a5ba30d080c073e76f4065a6bf4b48.zip FreeBSD-src-f39653dda8a5ba30d080c073e76f4065a6bf4b48.tar.gz | |
Make sigaltstack as per-threaded, because per-process sigaltstack state
is useless for threaded programs, multiple threads can not share same
stack.
The alternative signal stack is private for thread, no lock is needed,
the orignal P_ALTSTACK is now moved into td_pflags and renamed to
TDP_ALTSTACK.
For single thread or Linux clone() based threaded program, there is no
semantic changed, because those programs only have one kernel thread
in every process.
Reviewed by: deischen, dfr
Diffstat (limited to 'share/termcap')
0 files changed, 0 insertions, 0 deletions
