wuyunjie
955b52e4b2
Team: OTHERS Feature or Bugfix:Feature Binary Source:No PrivateCode(Yes/No):No Change-Id: I8bcb92a97a98c61077c55704dec03c997d1246da ChangeID:13439291
37 lines
900 B
C
37 lines
900 B
C
#include "stdio_impl.h"
|
|
#include <stdlib.h>
|
|
|
|
static void dummy(FILE *f) { }
|
|
weak_alias(dummy, __unlist_locked_file);
|
|
|
|
int fclose(FILE *f)
|
|
{
|
|
int r;
|
|
|
|
FLOCK(f);
|
|
r = fflush(f);
|
|
r |= f->close(f);
|
|
FUNLOCK(f);
|
|
|
|
/* Past this point, f is closed and any further explict access
|
|
* to it is undefined. However, it still exists as an entry in
|
|
* the open file list and possibly in the thread's locked files
|
|
* list, if it was closed while explicitly locked. Functions
|
|
* which process these lists must tolerate dead FILE objects
|
|
* (which necessarily have inactive buffer pointers) without
|
|
* producing any side effects. */
|
|
|
|
if (f->flags & F_PERM) return r;
|
|
|
|
FILE **head = __ofl_lock();
|
|
if (f->prev) f->prev->next = f->next;
|
|
if (f->next) f->next->prev = f->prev;
|
|
if (*head == f) *head = f->next;
|
|
__ofl_unlock();
|
|
|
|
free(f->getln_buf);
|
|
free(f);
|
|
|
|
return r;
|
|
}
|