posix_spawn_file_actions_addclose.c raw

   1  #include <spawn.h>
   2  #include <stdlib.h>
   3  #include <errno.h>
   4  #include "fdop.h"
   5  
   6  int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *fa, int fd)
   7  {
   8  	if (fd < 0) return EBADF;
   9  	struct fdop *op = malloc(sizeof *op);
  10  	if (!op) return ENOMEM;
  11  	op->cmd = FDOP_CLOSE;
  12  	op->fd = fd;
  13  	if ((op->next = fa->__actions)) op->next->prev = op;
  14  	op->prev = 0;
  15  	fa->__actions = op;
  16  	return 0;
  17  }
  18