diff options
Diffstat (limited to 'sys/alpha/osf1/osf1_signal.c')
| -rw-r--r-- | sys/alpha/osf1/osf1_signal.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sys/alpha/osf1/osf1_signal.c b/sys/alpha/osf1/osf1_signal.c index 7ccb340e7eaf..83b958c1920c 100644 --- a/sys/alpha/osf1/osf1_signal.c +++ b/sys/alpha/osf1/osf1_signal.c @@ -444,7 +444,9 @@ osf1_signal(p, uap) sigset_t *bmask; bmask = stackgap_alloc(&sg, sizeof(sigset_t)); + PROC_LOCK(p); set = p->p_sigmask; + PROC_UNLOCK(p); SIGDELSET(set, signum); SCARG(&sa, sigmask) = bmask; if ((error = copyout(&set, bmask, sizeof(set))) != 0) @@ -476,7 +478,7 @@ osf1_sigprocmask(p, uap) osf1_to_bsd_sigset(&uap->mask, &bss); - (void) splhigh(); + PROC_LOCK(p); switch (SCARG(uap, how)) { case OSF1_SIG_BLOCK: @@ -498,7 +500,7 @@ osf1_sigprocmask(p, uap) break; } - (void) spl0(); + PROC_UNLOCK(p); return error; } @@ -513,8 +515,10 @@ osf1_sigpending(p, uap) osf1_sigset_t oss; sigset_t bss; + PROC_LOCK(p); bss = p->p_siglist; SIGSETAND(bss, p->p_sigmask); + PROC_UNLOCK(p); bsd_to_osf1_sigset(&bss, &oss); return copyout(&oss, SCARG(uap, mask), sizeof(oss)); @@ -581,6 +585,7 @@ osf1_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code) struct sigacts *psp; p = curproc; + PROC_LOCK(p); psp = p->p_sigacts; frame = p->p_md.md_tf; @@ -601,6 +606,7 @@ osf1_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code) p->p_sigstk.ss_flags |= SS_ONSTACK; } else sip = (osiginfo_t *)(alpha_pal_rdusp() - rndfsize); + PROC_UNLOCK(p); (void)grow_stack(p, (u_long)sip); if (useracc((caddr_t)sip, fsize, VM_PROT_WRITE) == 0) { @@ -608,10 +614,12 @@ osf1_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code) * Process has trashed its stack; give it an illegal * instruction to halt it in its tracks. */ + PROC_LOCK(p); SIGACTION(p, SIGILL) = SIG_DFL; SIGDELSET(p->p_sigignore, SIGILL); SIGDELSET(p->p_sigcatch, SIGILL); SIGDELSET(p->p_sigmask, SIGILL); + PROC_UNLOCK(p); psignal(p, SIGILL); return; } @@ -699,6 +707,7 @@ osf1_sigreturn(struct proc *p, /* * Restore the user-supplied information. */ + PROC_LOCK(p); if (ksc.sc_onstack) p->p_sigstk.ss_flags |= SS_ONSTACK; else @@ -711,6 +720,7 @@ osf1_sigreturn(struct proc *p, */ osf1_to_bsd_sigset(&ksc.sc_mask, &p->p_sigmask); SIG_CANTMASK(p->p_sigmask); + PROC_UNLOCK(p); set_regs(p, (struct reg *)ksc.sc_regs); p->p_md.md_tf->tf_regs[FRAME_PC] = ksc.sc_pc; |