1 #include <spawn.h> 2 #include <stdlib.h> 3 #include <errno.h> 4 #include "fdop.h" 5 posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t * fa,int srcfd,int fd)6int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int srcfd, int fd) 7 { 8 struct fdop *op = malloc(sizeof *op); 9 if (!op) return ENOMEM; 10 op->cmd = FDOP_DUP2; 11 op->srcfd = srcfd; 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