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Catch up with the procsig locking changes elsewhere. We were doing

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things like copyin/out with psp->ps_mtx held.  That was not good.

Approved by:  re (scottl)
This commit is contained in:
Peter Wemm 2003-12-03 07:00:30 +00:00
parent 98248357d4
commit 3554ecf032
1 changed files with 6 additions and 0 deletions
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6
sys/amd64/ia32/ia32_signal.c
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@ -187,6 +187,7 @@ freebsd4_ia32_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
p = td->td_proc;
PROC_LOCK_ASSERT(p, MA_OWNED);
psp = p->p_sigacts;
mtx_assert(&psp->ps_mtx, MA_OWNED);
regs = td->td_frame;
oonstack = sigonstack(regs->tf_rsp);
@ -250,6 +251,7 @@ freebsd4_ia32_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
sf.sf_addr = regs->tf_addr;
sf.sf_ah = (u_int32_t)(uintptr_t)catcher;
}
mtx_unlock(&psp->ps_mtx);
PROC_UNLOCK(p);
/*
@ -274,6 +276,7 @@ freebsd4_ia32_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
td->td_pcb->pcb_es = _udatasel;
/* leave user %fs and %gs untouched */
PROC_LOCK(p);
mtx_lock(&psp->ps_mtx);
}
#endif /* COMPAT_FREEBSD4 */
@ -298,6 +301,7 @@ ia32_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
return;
}
#endif
mtx_assert(&psp->ps_mtx, MA_OWNED);
regs = td->td_frame;
oonstack = sigonstack(regs->tf_rsp);
@ -366,6 +370,7 @@ ia32_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
sf.sf_addr = regs->tf_addr;
sf.sf_ah = (u_int32_t)(uintptr_t)catcher;
}
mtx_unlock(&psp->ps_mtx);
PROC_UNLOCK(p);
/*
@ -390,6 +395,7 @@ ia32_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
td->td_pcb->pcb_es = _udatasel;
/* leave user %fs and %gs untouched */
PROC_LOCK(p);
mtx_lock(&psp->ps_mtx);
}
/*