src/fd_list.c

   1 #define __FD_LIST_C
   2
   3 #include <errno.h>
   4 #include "afuse.h"
   5 #include "utils.h"
   6 #include "fd_list.h"
   7
   8 void fd_list_add(fd_list_t **fd_list, int fd)
   9 {
  10         fd_list_t *new_fd;
  11
  12         new_fd = my_malloc( sizeof(fd_list_t) );
  13         new_fd->fd = fd;
  14         new_fd->next = *fd_list;
  15         new_fd->prev = NULL;
  16
  17         *fd_list = new_fd;
  18 }
  19
  20 void fd_list_remove(fd_list_t **fd_list, int fd)
  21 {
  22         fd_list_t *current_fd = *fd_list;
  23
  24         while(current_fd) {
  25                 if(current_fd->fd == fd) {
  26                         if(current_fd->prev)
  27                                 current_fd->prev->next = current_fd->next;
  28                         else
  29                                 *fd_list = current_fd->next;
  30                         if(current_fd->next)
  31                                 current_fd->next->prev = current_fd->prev;
  32                         free(current_fd);
  33
  34                         return;
  35                 }
  36
  37                 current_fd = current_fd->next;
  38         }
  39 }
  40
  41 void fd_list_close_all(fd_list_t **fd_list)
  42 {
  43         while(*fd_list) {
  44                 int retries;
  45
  46                 for(retries = 0; retries < CLOSE_MAX_RETRIES &&
  47                                  close((*fd_list)->fd) == -1   &&
  48                                  errno == EINTR;
  49                     retries++);
  50                 fd_list_remove(fd_list, (*fd_list)->fd);
  51         }
  52 }
  53
  54 bool fd_list_empty(fd_list_t *fd_list)
  55 {
  56         return (fd_list == NULL) ? true : false;
  57 }