posix/spawn_int.h

   1 /* Data structure to contain the action information.  */
   2 struct __spawn_action
   3 {
   4   enum
   5   {
   6     spawn_do_close,
   7     spawn_do_dup2,
   8     spawn_do_open
   9   } tag;
  10
  11   union
  12   {
  13     struct
  14     {
  15       int fd;
  16     } close_action;
  17     struct
  18     {
  19       int fd;
  20       int newfd;
  21     } dup2_action;
  22     struct
  23     {
  24       int fd;
  25       const char *path;
  26       int oflag;
  27       mode_t mode;
  28     } open_action;
  29   } action;
  30 };
  31
  32 #define SPAWN_XFLAGS_USE_PATH   0x1
  33 #define SPAWN_XFLAGS_TRY_SHELL  0x2
  34
  35 extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
  36                                                file_actions);
  37
  38 extern int __spawni (pid_t *pid, const char *path,
  39                      const posix_spawn_file_actions_t *file_actions,
  40                      const posix_spawnattr_t *attrp, char *const argv[],
  41                      char *const envp[], int xflags);