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| author | davidxu <davidxu@FreeBSD.org> | 2004-01-03 23:31:29 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2004-01-03 23:31:29 +0000 |
| commit | d72ded3ec8fc51eb854beabed52ae30e359bed23 (patch) | |
| tree | c2a196a32c6e24f25d4e1fb13cb47b5a9689ac27 | |
| parent | 81a11b21e84f4a4a24be8758b505dd97a874b173 (diff) | |
| download | FreeBSD-src-d72ded3ec8fc51eb854beabed52ae30e359bed23.zip FreeBSD-src-d72ded3ec8fc51eb854beabed52ae30e359bed23.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.
| -rw-r--r-- | sys/i386/linux/linux_sysvec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/i386/linux/linux_sysvec.c b/sys/i386/linux/linux_sysvec.c index 5321d21..3cc8f55 100644 --- a/sys/i386/linux/linux_sysvec.c +++ b/sys/i386/linux/linux_sysvec.c @@ -354,8 +354,8 @@ linux_rt_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code) #ifdef DEBUG if (ldebug(rt_sendsig)) printf(LMSG("rt_sendsig flags: 0x%x, sp: %p, ss: 0x%x, mask: 0x%x"), - frame.sf_sc.uc_stack.ss_flags, p->p_sigstk.ss_sp, - p->p_sigstk.ss_size, frame.sf_sc.uc_mcontext.sc_mask); + frame.sf_sc.uc_stack.ss_flags, td->td_sigstk.ss_sp, + td->td_sigstk.ss_size, frame.sf_sc.uc_mcontext.sc_mask); #endif if (copyout(&frame, fp, sizeof(frame)) != 0) { |
