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eliminate geteuid(), getegid() and getpid()

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This commit is contained in:
NAKAMURA Gou
2016-03-17 21:08:30 +09:00
parent d4d93df032
commit 1761acc4c3
2 changed files with 54 additions and 70 deletions
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10
kernel/shmobj.c
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@ -235,16 +235,17 @@ void shmobj_destroy(struct shmobj *obj)
static void shmobj_release(struct memobj *memobj)
{
struct shmobj *obj = to_shmobj(memobj);
struct thread *thread = cpu_local_var(current);
struct process *proc = thread->proc;
struct shmobj *freeobj = NULL;
long newref;
extern time_t time(void);
extern pid_t getpid(void);
dkprintf("shmobj_release(%p)\n", memobj);
memobj_lock(&obj->memobj);
if (obj->index >= 0) {
obj->ds.shm_dtime = time();
obj->ds.shm_lpid = getpid();
obj->ds.shm_lpid = proc->pid;
dkprintf("shmobj_release:drop shm_nattach %p %d\n", obj, obj->ds.shm_nattch);
}
newref = --obj->ds.shm_nattch;
@ -272,16 +273,17 @@ static void shmobj_release(struct memobj *memobj)
static void shmobj_ref(struct memobj *memobj)
{
struct shmobj *obj = to_shmobj(memobj);
struct thread *thread = cpu_local_var(current);
struct process *proc = thread->proc;
long newref;
extern time_t time(void);
extern pid_t getpid(void);
dkprintf("shmobj_ref(%p)\n", memobj);
memobj_lock(&obj->memobj);
newref = ++obj->ds.shm_nattch;
if (obj->index >= 0) {
obj->ds.shm_atime = time();
obj->ds.shm_lpid = getpid();
obj->ds.shm_lpid = proc->pid;
}
memobj_unlock(&obj->memobj);
dkprintf("shmobj_ref(%p): newref %ld\n", memobj, newref);