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Differential D58055 Diff 182027 sys/kern/sys_generic.c

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sys/kern/sys_generic.c

Show First 20 Lines • Show All 2,305 Lines • ▼ Show 20 Lines if (error != 0) {
ksi.ksi_addr = uloc; ksi.ksi_addr = uloc;
trapsignal(td, &ksi); trapsignal(td, &ksi);
} }
} }
int int
sys_exterrctl(struct thread *td, struct exterrctl_args *uap) sys_exterrctl(struct thread *td, struct exterrctl_args *uap)
{ {
return (kern_exterrctl(td, uap->op, uap->flags, uap->ptr));
}
int
kern_exterrctl(struct thread *td, u_int op, u_int flags, void *ptr)
{
uint32_t ver; uint32_t ver;
int error; int error;
if ((uap->flags & ~(EXTERRCTLF_FORCE)) != 0) if ((flags & ~(EXTERRCTLF_FORCE)) != 0)
return (EINVAL); return (EINVAL);
switch (uap->op) { switch (op) {
case EXTERRCTL_ENABLE: case EXTERRCTL_ENABLE:
if ((td->td_pflags2 & TDP2_UEXTERR) != 0 && if ((td->td_pflags2 & TDP2_UEXTERR) != 0 &&
(uap->flags & EXTERRCTLF_FORCE) == 0) (flags & EXTERRCTLF_FORCE) == 0)
return (EBUSY); return (EBUSY);
td->td_pflags2 &= ~TDP2_UEXTERR; td->td_pflags2 &= ~TDP2_UEXTERR;
error = copyin(uap->ptr, &ver, sizeof(ver)); error = copyin(ptr, &ver, sizeof(ver));
if (error != 0) if (error != 0)
return (error); return (error);
if (ver != UEXTERROR_VER) if (ver != UEXTERROR_VER)
return (EINVAL); return (EINVAL);
td->td_pflags2 |= TDP2_UEXTERR; td->td_pflags2 |= TDP2_UEXTERR;
td->td_exterr_ptr = uap->ptr; td->td_exterr_ptr = ptr;
return (0); return (0);
case EXTERRCTL_DISABLE: case EXTERRCTL_DISABLE:
if ((td->td_pflags2 & TDP2_UEXTERR) == 0) if ((td->td_pflags2 & TDP2_UEXTERR) == 0)
return (EINVAL); return (EINVAL);
td->td_pflags2 &= ~TDP2_UEXTERR; td->td_pflags2 &= ~TDP2_UEXTERR;
return (0); return (0);
case EXTERRCTL_UD: case EXTERRCTL_UD:
/* /*
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