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Use td_ucred in several trivial syscalls and remove Giant locking as

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appropriate.
This commit is contained in:
John Baldwin 2002-03-22 22:32:04 +00:00
parent 333fc21e3c
commit d846883bc4
1 changed files with 16 additions and 32 deletions
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48
sys/kern/kern_prot.c
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@ -237,14 +237,11 @@ getuid(td, uap)
struct thread *td;
struct getuid_args *uap;
{
struct proc *p = td->td_proc;
mtx_lock(&Giant);
td->td_retval[0] = p->p_ucred->cr_ruid;
td->td_retval[0] = td->td_ucred->cr_ruid;
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
td->td_retval[1] = p->p_ucred->cr_uid;
td->td_retval[1] = td->td_ucred->cr_uid;
#endif
mtx_unlock(&Giant);
return (0);
}
@ -262,9 +259,8 @@ geteuid(td, uap)
struct thread *td;
struct geteuid_args *uap;
{
mtx_lock(&Giant);
td->td_retval[0] = td->td_proc->p_ucred->cr_uid;
mtx_unlock(&Giant);
td->td_retval[0] = td->td_ucred->cr_uid;
return (0);
}
@ -282,14 +278,11 @@ getgid(td, uap)
struct thread *td;
struct getgid_args *uap;
{
struct proc *p = td->td_proc;
mtx_lock(&Giant);
td->td_retval[0] = p->p_ucred->cr_rgid;
td->td_retval[0] = td->td_ucred->cr_rgid;
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
td->td_retval[1] = p->p_ucred->cr_groups[0];
td->td_retval[1] = td->td_ucred->cr_groups[0];
#endif
mtx_unlock(&Giant);
return (0);
}
@ -312,11 +305,8 @@ getegid(td, uap)
struct thread *td;
struct getegid_args *uap;
{
struct proc *p = td->td_proc;
mtx_lock(&Giant);
td->td_retval[0] = p->p_ucred->cr_groups[0];
mtx_unlock(&Giant);
td->td_retval[0] = td->td_ucred->cr_groups[0];
return (0);
}
@ -335,29 +325,23 @@ getgroups(td, uap)
register struct getgroups_args *uap;
{
struct ucred *cred;
struct proc *p = td->td_proc;
u_int ngrp;
int error;
mtx_lock(&Giant);
error = 0;
cred = p->p_ucred;
cred = td->td_ucred;
if ((ngrp = uap->gidsetsize) == 0) {
td->td_retval[0] = cred->cr_ngroups;
goto done2;
}
if (ngrp < cred->cr_ngroups) {
error = EINVAL;
goto done2;
return (0);
}
if (ngrp < cred->cr_ngroups)
return (EINVAL);
ngrp = cred->cr_ngroups;
if ((error = copyout((caddr_t)cred->cr_groups,
(caddr_t)uap->gidset, ngrp * sizeof(gid_t))))
goto done2;
error = copyout((caddr_t)cred->cr_groups, (caddr_t)uap->gidset,
ngrp * sizeof(gid_t));
if (error)
return (error);
td->td_retval[0] = ngrp;
done2:
mtx_unlock(&Giant);
return (error);
return (0);
}
#ifndef _SYS_SYSPROTO_H_