* infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines

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

diff --git a/gdb/serial.h b/gdb/serial.h
index 808aad213c7f8549a05951263b000b5b967661b7..9e669cbb2bb1fb0bf6f3f45df3e9fd060e278cee 100644 (file)
--- a/gdb/serial.h
+++ b/gdb/serial.h
@@ -17,6 +17,9 @@ 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.  */
 
+#ifndef SERIAL_H
+#define SERIAL_H
+
 /* Terminal state pointer.  This is specific to each type of interface. */
 
 typedef PTR serial_ttystate;
@@ -30,6 +33,9 @@ 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;
 };
 
 typedef struct _serial_t *serial_t;
@@ -51,7 +57,6 @@ 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));
 };
 
 /* Add a new serial interface to the interface list */
@@ -60,7 +65,7 @@ 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.  */
@@ -100,7 +105,9 @@ 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.  */
@@ -132,8 +139,8 @@ serial_t serial_fdopen PARAMS ((int fd));
 
 #define SERIAL_SETBAUDRATE(SERIAL_T, RATE) ((SERIAL_T)->ops->setbaudrate((SERIAL_T), RATE))
 
-/* Write LEN chars from STRING to the port SERIAL_T.  Returns 0 for success,
-   -1 for failure.  */
+/* 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))
 
@@ -148,16 +155,4 @@ void serial_close PARAMS ((serial_t));
 
 #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));
+#endif /* SERIAL_H */