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Remove Giant from osigblock(), osigsetmask(), and kern_sigaltstack().

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This commit is contained in:
John Baldwin 2003-04-23 19:49:18 +00:00
parent 9972896c00
commit cf60731b01
1 changed files with 7 additions and 15 deletions
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22
sys/kern/kern_sig.c
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@ -1001,12 +1001,10 @@ osigblock(td, uap)
OSIG2SIG(uap->mask, set);
SIG_CANTMASK(set);
mtx_lock(&Giant);
PROC_LOCK(p);
SIG2OSIG(td->td_sigmask, td->td_retval[0]);
SIGSETOR(td->td_sigmask, set);
PROC_UNLOCK(p);
mtx_unlock(&Giant);
return (0);
}
@ -1028,13 +1026,11 @@ osigsetmask(td, uap)
OSIG2SIG(uap->mask, set);
SIG_CANTMASK(set);
mtx_lock(&Giant);
PROC_LOCK(p);
SIG2OSIG(td->td_sigmask, td->td_retval[0]);
SIGSETLO(td->td_sigmask, set);
signotify(td);
PROC_UNLOCK(p);
mtx_unlock(&Giant);
return (0);
}
#endif /* COMPAT_43 || COMPAT_SUNOS */
@ -1219,9 +1215,7 @@ kern_sigaltstack(struct thread *td, stack_t *ss, stack_t *oss)
{
struct proc *p = td->td_proc;
int oonstack;
int error = 0;
mtx_lock(&Giant);
PROC_LOCK(p);
oonstack = sigonstack(cpu_getstack(td));
@ -1233,17 +1227,17 @@ kern_sigaltstack(struct thread *td, stack_t *ss, stack_t *oss)
if (ss != NULL) {
if (oonstack) {
error = EPERM;
goto done2;
PROC_UNLOCK(p);
return (EPERM);
}
if ((ss->ss_flags & ~SS_DISABLE) != 0) {
error = EINVAL;
goto done2;
PROC_UNLOCK(p);
return (EINVAL);
}
if (!(ss->ss_flags & SS_DISABLE)) {
if (ss->ss_size < p->p_sysent->sv_minsigstksz) {
error = ENOMEM;
goto done2;
PROC_UNLOCK(p);
return (ENOMEM);
}
p->p_sigstk = *ss;
p->p_flag |= P_ALTSTACK;
@ -1251,10 +1245,8 @@ kern_sigaltstack(struct thread *td, stack_t *ss, stack_t *oss)
p->p_flag &= ~P_ALTSTACK;
}
}
done2:
PROC_UNLOCK(p);
mtx_unlock(&Giant);
return (error);
return (0);
}
/*