diff options
Diffstat (limited to 'gdb/serial.h')
| -rw-r--r-- | gdb/serial.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gdb/serial.h b/gdb/serial.h index f83fda7..630ed43 100644 --- a/gdb/serial.h +++ b/gdb/serial.h @@ -41,10 +41,15 @@ struct serial_ops { void (*close) PARAMS ((serial_t)); int (*readchar) PARAMS ((serial_t, int timeout)); int (*write) PARAMS ((serial_t, const char *str, int len)); + int (*flush_output) PARAMS ((serial_t)); void (*go_raw) PARAMS ((serial_t)); serial_ttystate (*get_tty_state) PARAMS ((serial_t)); int (*set_tty_state) PARAMS ((serial_t, serial_ttystate)); + void (*print_tty_state) PARAMS ((serial_t, serial_ttystate)); + int (*noflush_set_tty_state) + PARAMS ((serial_t, serial_ttystate, serial_ttystate)); int (*setbaudrate) PARAMS ((serial_t, int rate)); + int (*set_process_group) PARAMS ((serial_t, serial_ttystate, int)); }; /* Add a new serial interface to the interface list */ @@ -67,14 +72,36 @@ serial_t serial_fdopen PARAMS ((int fd)); #define SERIAL_FDOPEN(FD) serial_fdopen(FD) +/* Flush pending output. */ + +#define SERIAL_FLUSH_OUTPUT(SERIAL_T) \ + ((SERIAL_T)->ops->flush_output((SERIAL_T))) + /* Turn the port into raw mode. */ #define SERIAL_RAW(SERIAL_T) (SERIAL_T)->ops->go_raw((SERIAL_T)) +/* Return a pointer to a newly malloc'd ttystate containing the state + of the tty. */ #define SERIAL_GET_TTY_STATE(SERIAL_T) (SERIAL_T)->ops->get_tty_state((SERIAL_T)) +/* Set the state of the tty to TTYSTATE. The change is immediate. + When changing to or from raw mode, input might be discarded. */ #define SERIAL_SET_TTY_STATE(SERIAL_T, TTYSTATE) (SERIAL_T)->ops->set_tty_state((SERIAL_T), (TTYSTATE)) +/* printf_filtered a user-comprehensible description of ttystate. */ +#define SERIAL_PRINT_TTY_STATE(SERIAL_T, TTYSTATE) \ + ((*((SERIAL_T)->ops->print_tty_state)) ((SERIAL_T), (TTYSTATE))) + +/* Set the tty state to NEW_TTYSTATE, where OLD_TTYSTATE is the + current state (generally obtained from a recent call to + SERIAL_GET_TTY_STATE), but be careful not to discard any input. + This means that we never switch in or out of raw mode, even + if NEW_TTYSTATE specifies a switch. */ +#define SERIAL_NOFLUSH_SET_TTY_STATE(SERIAL_T, NEW_TTYSTATE, OLD_TTYSTATE) \ + ((*((SERIAL_T)->ops->noflush_set_tty_state)) \ + ((SERIAL_T), (NEW_TTYSTATE), (OLD_TTYSTATE))) + /* Read one char from the serial device with TIMEOUT seconds timeout. Returns char if ok, else one of the following codes. Note that all error codes are guaranteed to be < 0. */ @@ -101,3 +128,21 @@ void serial_close PARAMS ((serial_t)); #define SERIAL_CLOSE(SERIAL_T) serial_close(SERIAL_T) +/* Destroy SERIAL_T without doing the rest of the stuff that SERIAL_CLOSE + does. */ + +#define SERIAL_UN_FDOPEN(SERIAL_T) (free (SERIAL_T)) + +/* Set the process group saved in TTYSTATE to GROUP. This just modifies + the ttystate setting; need to call SERIAL_SET_TTY_STATE for this to + actually have any effect. If no job control, then don't do anything. */ +#define SERIAL_SET_PROCESS_GROUP(SERIAL_T, TTYSTATE, GROUP) \ + ((*((SERIAL_T)->ops->set_process_group)) (SERIAL_T, TTYSTATE, GROUP)) + +/* Do we have job control? Can be assumed to always be the same within + a given run of GDB. In ser-unix.c, ser-go32.c, etc. */ +extern int job_control; + +/* Set the process group of the caller to its own pid, or do nothing if + we lack job control. */ +extern int gdb_setpgid PARAMS ((void)); |