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Remove mtx_lock_giant from functions which are mp-safe.

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This commit is contained in:
Jake Burkholder 2003-02-10 04:42:20 +00:00
parent f8e84641ec
commit 3749dff3f9
1 changed files with 0 additions and 9 deletions
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9
sys/kern/kern_prot.c
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@ -84,16 +84,13 @@ int
getpid(struct thread *td, struct getpid_args *uap)
{
struct proc *p = td->td_proc;
int s;
s = mtx_lock_giant(kern_giant_proc);
td->td_retval[0] = p->p_pid;
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
PROC_LOCK(p);
td->td_retval[1] = p->p_pptr->p_pid;
PROC_UNLOCK(p);
#endif
mtx_unlock_giant(s);
return (0);
}
@ -110,13 +107,10 @@ int
getppid(struct thread *td, struct getppid_args *uap)
{
struct proc *p = td->td_proc;
int s;
s = mtx_lock_giant(kern_giant_proc);
PROC_LOCK(p);
td->td_retval[0] = p->p_pptr->p_pid;
PROC_UNLOCK(p);
mtx_unlock_giant(s);
return (0);
}
@ -135,13 +129,10 @@ int
getpgrp(struct thread *td, struct getpgrp_args *uap)
{
struct proc *p = td->td_proc;
int s;
s = mtx_lock_giant(kern_giant_proc);
PROC_LOCK(p);
td->td_retval[0] = p->p_pgrp->pg_id;
PROC_UNLOCK(p);
mtx_unlock_giant(s);
return (0);
}