For review: Volatile and -Wreturn-type in gdbtk-hooks.c

[Andrew Cagney <ac131313@cygnus.com>]

Hello,

The attached patch:

	o	makes several flags volatile

	o	fixes a missing return result

Andrew

Mon Aug 30 15:34:42 1999  Andrew Cagney  <cagney@b1.cygnus.com>

	* gdbtk-hooks.c (x_event): Missing result to return - return 0.
  	Make in_x_event volatile.
	(in_fputs): Make volatile.
Index: gdbtk-hooks.c
===================================================================
RCS file: /cvs/cvsfiles/devo/gdb/gdbtk-hooks.c,v
retrieving revision 2.27
diff -p -r2.27 gdbtk-hooks.c
*** gdbtk-hooks.c	1999/08/07 01:27:45	2.27
--- gdbtk-hooks.c	1999/08/30 05:38:01
***************
*** 60,66 ****
  #include "annotate.h"
  #include <sys/time.h>
  
! int in_fputs = 0;
  
  /* Set by gdb_stop, this flag informs x_event to tell its caller
     that it should forcibly detach from the target. */
--- 60,66 ----
  #include "annotate.h"
  #include <sys/time.h>
  
! volatile int in_fputs = 0;
  
  /* Set by gdb_stop, this flag informs x_event to tell its caller
     that it should forcibly detach from the target. */
*************** int
*** 412,422 ****
  x_event (signo)
       int signo;
  {
!   static int in_x_event = 0;
    static Tcl_Obj *varname = NULL;
    static int count = 0;
    if (in_x_event || in_fputs)
!     return;
  
    in_x_event = 1;
    gdbtk_force_detach = 0;
--- 412,422 ----
  x_event (signo)
       int signo;
  {
!   static volatile int in_x_event = 0;
    static Tcl_Obj *varname = NULL;
    static int count = 0;
    if (in_x_event || in_fputs)
!     return 0;
  
    in_x_event = 1;
    gdbtk_force_detach = 0;