X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Fserial.h;h=9e669cbb2bb1fb0bf6f3f45df3e9fd060e278cee;hb=2fe3b329f69ca294a8ad3f1f655df7db33a6eb65;hp=7e7e530668649cd52464622640b955a03d29cac5;hpb=a14a8fad360ddc983045a94621380761fa30721d;p=binutils-gdb.git

diff --git a/gdb/serial.h b/gdb/serial.h
index 7e7e5306686..9e669cbb2bb 100644
--- a/gdb/serial.h
+++ b/gdb/serial.h
@@ -33,6 +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;
@@ -62,7 +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.  */
@@ -102,7 +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.  */