* lib/gdb.exp: Close connection to remote host if gdb doesn't

[deliverable/binutils-gdb.git] / gdb / serial.h

diff --git a/gdb/serial.h b/gdb/serial.h
index 84916d32306d5e0e811b0bb171f0f80d7581db00..f1963d0961858c74bffd61c00aa9332499aa910e 100644 (file)
--- a/gdb/serial.h
+++ b/gdb/serial.h
@@ -15,7 +15,10 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef SERIAL_H
+#define SERIAL_H
 
 /* Terminal state pointer.  This is specific to each type of interface. */
 
@@ -30,6 +33,12 @@ struct _serial_t
   unsigned char *bufp;         /* Current byte */
   unsigned char buf[BUFSIZ];   /* Da buffer itself */
   int current_timeout;         /* (termio{s} only), last value of VTIME */
+  /* ser-unix.c termio{,s} only, we still need to wait for this many more
+     seconds.  */
+  int timeout_remaining;
+  char *name;                  /* The name of the device or host */
+  struct _serial_t *next;      /* Pointer to the next serial_t */
+  int refcnt;                  /* Number of pointers to this block */
 };
 
 typedef struct _serial_t *serial_t;
@@ -51,7 +60,7 @@ struct serial_ops {
   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));
+  int (*setstopbits) PARAMS ((serial_t, int num));
 };
 
 /* Add a new serial interface to the interface list */
@@ -60,7 +69,7 @@ void serial_add_interface PARAMS ((struct serial_ops *optable));
 
 serial_t serial_open PARAMS ((const char *name));
 
-serial_t serial_fdopen PARAMS ((int fd));
+serial_t serial_fdopen PARAMS ((const int fd));
 
 /* For most routines, if a failure is indicated, then errno should be
    examined.  */
@@ -88,8 +97,9 @@ serial_t serial_fdopen PARAMS ((int fd));
 
 /* Send a break between 0.25 and 0.5 seconds long.  */
 
-#define SERIAL_SEND_BREAK(SERIAL_T) \
-  ((*(SERIAL_T)->ops->send_break) (SERIAL_T))
+extern int serial_send_break PARAMS ((serial_t scb));
+
+#define SERIAL_SEND_BREAK(SERIAL_T) serial_send_break (SERIAL_T)
 
 /* Turn the port into raw mode. */
 
@@ -100,7 +110,9 @@ serial_t serial_fdopen PARAMS ((int fd));
 #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.  */
+   When changing to or from raw mode, input might be discarded.
+   Returns 0 for success, negative value for error (in which case errno
+   contains the error).  */
 #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.  */
@@ -125,39 +137,46 @@ serial_t serial_fdopen PARAMS ((int fd));
 #define SERIAL_TIMEOUT -2
 #define SERIAL_EOF -3
 
-#define SERIAL_READCHAR(SERIAL_T, TIMEOUT) ((SERIAL_T)->ops->readchar((SERIAL_T), TIMEOUT))
+extern int serial_readchar PARAMS ((serial_t scb, int timeout));
+
+#define SERIAL_READCHAR(SERIAL_T, TIMEOUT)  serial_readchar (SERIAL_T, TIMEOUT)
 
 /* Set the baudrate to the decimal value supplied.  Returns 0 for success,
    -1 for failure.  */
 
 #define SERIAL_SETBAUDRATE(SERIAL_T, RATE) ((SERIAL_T)->ops->setbaudrate((SERIAL_T), RATE))
 
+/* Set the number of stop bits to the value specified.  Returns 0 for success,
+   -1 for failure.  */
+
+#define SERIAL_1_STOPBITS 1
+#define SERIAL_1_AND_A_HALF_STOPBITS 2 /* 1.5 bits, snicker... */
+#define SERIAL_2_STOPBITS 3
+
+#define SERIAL_SETSTOPBITS(SERIAL_T, NUM) ((SERIAL_T)->ops->setstopbits((SERIAL_T), NUM))
+
 /* Write LEN chars from STRING to the port SERIAL_T.  Returns 0 for
    success, non-zero for failure.  */
 
-#define SERIAL_WRITE(SERIAL_T, STRING, LEN) ((SERIAL_T)->ops->write((SERIAL_T), STRING, LEN))
+extern int serial_write PARAMS ((serial_t scb, const char *str, int len));
+
+#define SERIAL_WRITE(SERIAL_T, STRING,LEN)  serial_write (SERIAL_T, STRING, LEN)
 
 /* Push out all buffers, close the device and destroy SERIAL_T. */
 
-void serial_close PARAMS ((serial_t));
+extern void serial_close PARAMS ((serial_t, int));
+
+#define SERIAL_CLOSE(SERIAL_T) serial_close(SERIAL_T, 1)
 
-#define SERIAL_CLOSE(SERIAL_T) serial_close(SERIAL_T)
+/* Push out all buffers and destroy SERIAL_T without closing the device.  */
 
-/* Destroy SERIAL_T without doing the rest of the stuff that SERIAL_CLOSE
-   does.  */
+#define SERIAL_UN_FDOPEN(SERIAL_T) serial_close(SERIAL_T, 0)
 
-#define SERIAL_UN_FDOPEN(SERIAL_T) (free (SERIAL_T))
+extern void serial_printf PARAMS ((serial_t desc, const char *, ...))
+     ATTR_FORMAT(printf, 2, 3);
 
-/* 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))
+/* File in which to record the remote debugging session */
 
-/* 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;
+extern void serial_log_command PARAMS ((const char *));
 
-/* 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));
+#endif /* SERIAL_H */