src/subshell.h

   1 #ifndef __SUBSHELL_H
   2 #define __SUBSHELL_H
   3
   4 /* Used to distinguish between a normal MC termination and */
   5 /* one caused by typing `exit' or `logout' in the subshell */
   6 #define SUBSHELL_EXIT 128
   7
   8 #ifdef HAVE_SUBSHELL_SUPPORT
   9
  10 /* If using a subshell for evaluating commands this is true */
  11 extern int use_subshell;
  12
  13 /* File descriptor of the pseudoterminal used by the subshell */
  14 extern int subshell_pty;
  15
  16 /* The key to switch back to MC from the subshell */
  17 extern char subshell_switch_key;
  18
  19 /* State of the subshell; see subshell.c for an explanation */
  20 enum subshell_state_enum {INACTIVE, ACTIVE, RUNNING_COMMAND};
  21 extern enum subshell_state_enum subshell_state;
  22
  23 /* Holds the latest prompt captured from the subshell */
  24 extern char *subshell_prompt;
  25
  26 /* For the `how' argument to various functions */
  27 enum {QUIETLY, VISIBLY};
  28
  29 /* Exported functions */
  30 void init_subshell (void);
  31 int invoke_subshell (const char *command, int how, char **new_dir);
  32 int read_subshell_prompt (void);
  33 void resize_subshell (void);
  34 int exit_subshell (void);
  35 void do_subshell_chdir (const char *directory, int update_prompt, int reset_prompt);
  36 void subshell_get_console_attributes (void);
  37 void sigchld_handler (int sig);
  38
  39 #else
  40 #define use_subshell 0
  41 #endif /* not HAVE_SUBSHELL_SUPPORT */
  42
  43 #endif /* __SUBSHELL_H */