small dbug cleanup

dbug/dbug.c

@@ -137,27 +137,17 @@
 
 #define BOOLEAN my_bool
 
-/*
- *      Make it easy to change storage classes if necessary.
- */
-
-#define IMPORT extern           /* Names defined externally */
-#define EXPORT                  /* Allocated here, available globally */
-#define AUTO auto               /* Names to be allocated on stack */
-#define REGISTER register       /* Names to be placed in registers */
-
-#ifdef M_I386           /* predefined by xenix 386 compiler */
-#define AUTOS_REVERSE 1
-#else
-#define AUTOS_REVERSE 0
-#endif
-
 /*
  *      Externally supplied functions.
  */
 
 #ifndef HAVE_PERROR
-static void perror();          /* Fake system/library error print routine */
+static void perror(char *s)
+{
+  if (s && *s != '\0')
+    (void) fprintf(stderr, "%s: ", s);
+  (void) fprintf(stderr, "<unknown system error>\n");
+}
 #endif
 
 /*
@@ -1718,7 +1708,7 @@ BOOLEAN _db_keyword_(CODE_STATE *cs, const char *keyword, int strict)
 
 static void Indent(CODE_STATE *cs, int indent)
 {
-  REGISTER int count;
+  int count;
 
   indent= max(indent-1-cs->stack->sub_level,0)*INDENT;
   for (count= 0; count < indent ; count++)
@@ -1750,7 +1740,7 @@ static void Indent(CODE_STATE *cs, int indent)
 
 static void FreeList(struct link *linkp)
 {
-  REGISTER struct link *old;
+  struct link *old;
 
   while (linkp != NULL)
   {
@@ -1849,8 +1839,8 @@ static void DoPrefix(CODE_STATE *cs, uint _line_)
 static void DBUGOpenFile(CODE_STATE *cs,
                          const char *name,const char *end,int append)
 {
-  REGISTER FILE *fp;
-  REGISTER BOOLEAN newfile;
+  FILE *fp;
+  BOOLEAN newfile;
 
   if (name != NULL)
   {
@@ -1976,7 +1966,7 @@ static void DbugExit(const char *why)
 
 static char *DbugMalloc(size_t size)
 {
-  register char *new_malloc;
+  char *new_malloc;
 
   if (!(new_malloc= (char*) malloc(size)))
     DbugExit("out of memory");
@@ -2017,7 +2007,7 @@ static const char *DbugStrTok(const char *s)
 
 static const char *BaseName(const char *pathname)
 {
-  register const char *base;
+  const char *base;
 
   base= strrchr(pathname, FN_LIBCHAR);
   if (base++ == NullS)
@@ -2054,8 +2044,8 @@ static const char *BaseName(const char *pathname)
 
 static BOOLEAN Writable(const char *pathname)
 {
-  REGISTER BOOLEAN granted;
-  REGISTER char *lastslash;
+  BOOLEAN granted;
+  char *lastslash;
 
   granted= FALSE;
   if (EXISTS(pathname))
@@ -2079,105 +2069,11 @@ static BOOLEAN Writable(const char *pathname)
 }
 #endif
 
-
 /*
- *  FUNCTION
- *
- *      _db_setjmp_    save debugger environment
- *
- *  SYNOPSIS
- *
- *      VOID _db_setjmp_()
- *
- *  DESCRIPTION
- *
- *      Invoked as part of the user's DBUG_SETJMP macro to save
- *      the debugger environment in parallel with saving the user's
- *      environment.
- *
- */
-
-#ifdef HAVE_LONGJMP
-
-EXPORT void _db_setjmp_()
-{
-  CODE_STATE *cs;
-  get_code_state_or_return;
-
-  cs->jmplevel= cs->level;
-  cs->jmpfunc= cs->func;
-  cs->jmpfile= cs->file;
-}
-
-/*
- *  FUNCTION
- *
- *      _db_longjmp_    restore previously saved debugger environment
- *
- *  SYNOPSIS
- *
- *      VOID _db_longjmp_()
- *
- *  DESCRIPTION
- *
- *      Invoked as part of the user's DBUG_LONGJMP macro to restore
- *      the debugger environment in parallel with restoring the user's
- *      previously saved environment.
- *
- */
-
-EXPORT void _db_longjmp_()
-{
-  CODE_STATE *cs;
-  get_code_state_or_return;
-
-  cs->level= cs->jmplevel;
-  if (cs->jmpfunc)
-    cs->func= cs->jmpfunc;
-  if (cs->jmpfile)
-    cs->file= cs->jmpfile;
-}
-#endif
-
-/*
- *  FUNCTION
- *
- *      perror    perror simulation for systems that don't have it
- *
- *  SYNOPSIS
- *
- *      static VOID perror(s)
- *      char *s;
- *
- *  DESCRIPTION
- *
- *      Perror produces a message on the standard error stream which
- *      provides more information about the library or system error
- *      just encountered.  The argument string s is printed, followed
- *      by a ':', a blank, and then a message and a newline.
- *
- *      An undocumented feature of the unix perror is that if the string
- *      's' is a null string (NOT a NULL pointer!), then the ':' and
- *      blank are not printed.
- *
- *      This version just complains about an "unknown system error".
- *
- */
-
-#ifndef HAVE_PERROR
-static void perror(s)
-char *s;
-{
-  if (s && *s != '\0')
-    (void) fprintf(stderr, "%s: ", s);
-  (void) fprintf(stderr, "<unknown system error>\n");
-}
-#endif /* HAVE_PERROR */
-
-
-        /* flush dbug-stream, free mutex lock & wait delay */
-        /* This is because some systems (MSDOS!!) dosn't flush fileheader */
-        /* and dbug-file isn't readable after a system crash !! */
+  flush dbug-stream, free mutex lock & wait delay
+  This is because some systems (MSDOS!!) dosn't flush fileheader
+  and dbug-file isn't readable after a system crash !!
+*/
 
 static void DbugFlush(CODE_STATE *cs)
 {

dbug/dbug_long.h

@@ -116,16 +116,10 @@
 #    define DBUG_VOID_RETURN return
 #    define DBUG_EXECUTE(keyword,a1)
 #    define DBUG_PRINT(keyword,arglist)
-#    define DBUG_2(keyword,format)		/* Obsolete */
-#    define DBUG_3(keyword,format,a1)		/* Obsolete */
-#    define DBUG_4(keyword,format,a1,a2)	/* Obsolete */
-#    define DBUG_5(keyword,format,a1,a2,a3)	/* Obsolete */
 #    define DBUG_PUSH(a1)
 #    define DBUG_POP()
 #    define DBUG_PROCESS(a1)
 #    define DBUG_FILE (stderr)
-#    define DBUG_SETJMP setjmp
-#    define DBUG_LONGJMP longjmp
 #    define DBUG_DUMP(keyword,a1)
 # else
 #    define DBUG_ENTER(a) \
@@ -142,19 +136,9 @@
 	      {if (_db_on_) {if (_db_keyword_ (keyword)) { a1 }}}
 #    define DBUG_PRINT(keyword,arglist) \
 	      {if (_db_on_) {_db_pargs_(__LINE__,keyword); _db_doprnt_ arglist;}}
-#    define DBUG_2(keyword,format) \
-	      DBUG_PRINT(keyword,(format))	      /* Obsolete */
-#    define DBUG_3(keyword,format,a1) \
-	      DBUG_PRINT(keyword,(format,a1))	      /* Obsolete */
-#    define DBUG_4(keyword,format,a1,a2) \
-	      DBUG_PRINT(keyword,(format,a1,a2))      /* Obsolete */
-#    define DBUG_5(keyword,format,a1,a2,a3) \
-	      DBUG_PRINT(keyword,(format,a1,a2,a3))   /* Obsolete */
 #    define DBUG_PUSH(a1) _db_push_ (a1)
 #    define DBUG_POP() _db_pop_ ()
 #    define DBUG_PROCESS(a1) (_db_process_ = a1)
 #    define DBUG_FILE (_db_fp_)
-#    define DBUG_SETJMP(a1) (_db_setjmp_ (), setjmp (a1))
-#    define DBUG_LONGJMP(a1,a2) (_db_longjmp_ (), longjmp (a1, a2))
 #    define DBUG_DUMP(keyword,a1,a2) _db_dump_(__LINE__,keyword,a1,a2)
 # endif

dbug/user.r

@@ -823,28 +823,6 @@ number of bytes to dump.
 .SP 1
 EX: \fCDBUG_DBUG\ ("net",\ packet,\ len);\fR
 .SP 1
-.LI DBUG_SETJMP\ 
-Used in place of the setjmp() function to first save the current
-debugger state and then execute the standard setjmp call.
-This allows to the debugger to restore its state when the
-DBUG_LONGJMP macro is used to invoke the standard longjmp() call.
-Currently all instances of DBUG_SETJMP must occur within the
-same function and at the same function nesting level.
-.SP 1
-EX: \fCDBUG_SETJMP\ (env);\fR
-.SP 1
-.LI DBUG_LONGJMP\ 
-Used in place of the longjmp() function to first restore the
-previous debugger state at the time of the last DBUG_SETJMP
-and then execute the standard longjmp() call.
-Note that currently all DBUG_LONGJMP macros restore the state
-at the time of the last DBUG_SETJMP.
-It would be possible to maintain separate DBUG_SETJMP and DBUG_LONGJMP
-pairs by having the debugger runtime support module use the first
-argument to differentiate the pairs.
-.SP 1
-EX: \fCDBUG_LONGJMP\ (env,val);\fR
-.SP 1
 .LI DBUG_LOCK_FILE\ 
 Used in multi-threaded environment to lock DBUG_FILE stream.
 It can be used, for example, in functions that need to write something to a

include/my_dbug.h

@@ -89,8 +89,6 @@ extern  const char* _db_get_func_(void);
 #define DBUG_SET_INITIAL(a1) _db_set_init_ (a1)
 #define DBUG_PROCESS(a1) _db_process_(a1)
 #define DBUG_FILE _db_fp_()
-#define DBUG_SETJMP(a1) (_db_setjmp_ (), setjmp (a1))
-#define DBUG_LONGJMP(a1,a2) (_db_longjmp_ (), longjmp (a1, a2))
 #define DBUG_DUMP(keyword,a1,a2) _db_dump_(__LINE__,keyword,a1,a2)
 #define DBUG_END()  _db_end_ ()
 #define DBUG_LOCK_FILE _db_lock_file_()
@@ -155,8 +153,6 @@ extern void _db_suicide_();
 #define DBUG_SET_INITIAL(a1)            do { } while(0)
 #define DBUG_POP()                      do { } while(0)
 #define DBUG_PROCESS(a1)                do { } while(0)
-#define DBUG_SETJMP(a1) setjmp(a1)
-#define DBUG_LONGJMP(a1) longjmp(a1)
 #define DBUG_DUMP(keyword,a1,a2)        do { } while(0)
 #define DBUG_END()                      do { } while(0)
 #define DBUG_ASSERT(A)                  do { } while(0)

mysys/my_thr_init.c

@@ -278,7 +278,7 @@ my_bool my_thread_init(void)
   my_bool error=0;
 
 #ifdef EXTRA_DEBUG_THREADS
-  fprintf(stderr,"my_thread_init(): thread_id: 0x%lx\n",
+  fprintf(stderr,"my_thread_init(): pthread_self: 0x%lx\n",
           (ulong) pthread_self());
 #endif