[project @ 2003-10-16 20:54:12 by sof]

[ghc-hetmet.git] / ghc / rts / RtsUtils.c

diff --git a/ghc/rts/RtsUtils.c b/ghc/rts/RtsUtils.c
index 7757359..9637db0 100644 (file)
--- a/ghc/rts/RtsUtils.c
+++ b/ghc/rts/RtsUtils.c
@@ -1,7 +1,7 @@
 /* -----------------------------------------------------------------------------
- * $Id: RtsUtils.c,v 1.27 2002/08/16 13:29:07 simonmar Exp $
+ * $Id: RtsUtils.c,v 1.35 2003/08/22 22:24:16 sof Exp $
  *
- * (c) The GHC Team, 1998-1999
+ * (c) The GHC Team, 1998-2002
  *
  * General utility functions used in the RTS.
  *
@@ -15,7 +15,6 @@
 #include "RtsAPI.h"
 #include "RtsFlags.h"
 #include "Hooks.h"
-#include "Main.h"
 #include "RtsUtils.h"
 #include "Ticky.h"
 
@@ -35,39 +34,43 @@
 #include <string.h>
 #include <stdarg.h>
 
-/* variable-argument error function. */
+/* variable-argument internal error function. */
 
-void barf(char *s, ...)
+void
+barf(char *s, ...)
 {
   va_list ap;
   va_start(ap,s);
   /* don't fflush(stdout); WORKAROUND bug in Linux glibc */
-  if (prog_argv != NULL && prog_argv[0] != NULL) {
-    fprintf(stderr, "%s: fatal error: ", prog_argv[0]);
+  if (prog_argv != NULL && prog_name != NULL) {
+    fprintf(stderr, "%s: internal error: ", prog_name);
   } else {
-    fprintf(stderr, "fatal error: ");
+    fprintf(stderr, "internal error: ");
   }
   vfprintf(stderr, s, ap);
   fprintf(stderr, "\n");
+  fprintf(stderr, "    Please report this as a bug to glasgow-haskell-bugs@haskell.org,\n    or http://www.sourceforge.net/projects/ghc/\n");
   fflush(stderr);
   stg_exit(EXIT_INTERNAL_ERROR);
   va_end(ap);
 }
 
-void prog_belch(char *s, ...)
+void
+prog_belch(char *s, ...)
 {
   va_list ap;
   va_start(ap,s);
   /* don't fflush(stdout); WORKAROUND bug in Linux glibc */
-  if (prog_argv != NULL && prog_argv[0] != NULL) {
-    fprintf(stderr, "%s: ", prog_argv[0]);
+  if (prog_argv != NULL && prog_name != NULL) {
+    fprintf(stderr, "%s: ", prog_name);
   } 
   vfprintf(stderr, s, ap);
   fprintf(stderr, "\n");
   va_end(ap);
 }
 
-void belch(char *s, ...)
+void
+belch(char *s, ...)
 {
   va_list ap;
   va_start(ap,s);
@@ -106,18 +109,6 @@ stgReallocBytes (void *p, int n, char *msg)
 }
 
 void *
-stgMallocWords (int n, char *msg)
-{
-  return(stgMallocBytes(n * sizeof(W_), msg));
-}
-
-void *
-stgReallocWords (void *p, int n, char *msg)
-{
-  return(stgReallocBytes(p, n * sizeof(W_), msg));
-}
-
-void *
 stgCallocBytes (int n, int m, char *msg)
 {
   int   i;
@@ -127,6 +118,15 @@ stgCallocBytes (int n, int m, char *msg)
   return p;
 }
 
+/* To simplify changing the underlying allocator used
+ * by stgMallocBytes(), provide stgFree() as well.
+ */
+void
+stgFree(void* p)
+{
+  free(p);
+}
+
 void 
 _stgAssert (char *filename, unsigned int linenum)
 {
@@ -252,11 +252,14 @@ setNonBlockingFd(int fd)
   fcntl(fd, F_SETFL, fd_flags | O_NONBLOCK);
 }
 #else
-/* Don't support non-blocking FDs (yet) on mingw */
+/* Stub defns -- async / non-blocking IO is not done 
+ * via O_NONBLOCK and select() under Win32. 
+ */
 void resetNonBlockingFd(int fd STG_UNUSED) {}
 void setNonBlockingFd(int fd STG_UNUSED) {}
 #endif
 
+#ifdef PAR
 static ullong startTime = 0;
 
 /* used in a parallel setup */
@@ -291,6 +294,7 @@ msTime(void)
     return t * LL(1000) - startTime;
 # endif
 }
+#endif /* PAR */
 
 /* -----------------------------------------------------------------------------
    Print large numbers, with punctuation.
@@ -300,21 +304,31 @@ char *
 ullong_format_string(ullong x, char *s, rtsBool with_commas)
 {
     if (x < (ullong)1000) 
-       sprintf(s, "%d", (nat)x);
+       sprintf(s, "%lu", (lnat)x);
     else if (x < (ullong)1000000)
-       sprintf(s, (with_commas) ? "%ld,%3.3ld" : "%ld%3.3ld",
-               (nat)((x)/(ullong)1000),
-               (nat)((x)%(ullong)1000));
+       sprintf(s, (with_commas) ? "%lu,%3.3lu" : "%lu%3.3lu",
+               (lnat)((x)/(ullong)1000),
+               (lnat)((x)%(ullong)1000));
     else if (x < (ullong)1000000000)
-       sprintf(s, (with_commas) ? "%ld,%3.3ld,%3.3ld" :  "%ld%3.3ld%3.3ld",
-               (nat)((x)/(ullong)1000000),
-               (nat)((x)/(ullong)1000%(ullong)1000),
-               (nat)((x)%(ullong)1000));
+       sprintf(s, (with_commas) ? "%lu,%3.3lu,%3.3lu" :  "%lu%3.3lu%3.3lu",
+               (lnat)((x)/(ullong)1000000),
+               (lnat)((x)/(ullong)1000%(ullong)1000),
+               (lnat)((x)%(ullong)1000));
     else
-       sprintf(s, (with_commas) ? "%ld,%3.3ld,%3.3ld,%3.3ld" : "%ld%3.3ld%3.3ld%3.3ld",
-               (nat)((x)/(ullong)1000000000),
-               (nat)((x)/(ullong)1000000%(ullong)1000),
-               (nat)((x)/(ullong)1000%(ullong)1000), 
-               (nat)((x)%(ullong)1000));
+       sprintf(s, (with_commas) ? "%lu,%3.3lu,%3.3lu,%3.3lu" : "%lu%3.3lu%3.3lu%3.3lu",
+               (lnat)((x)/(ullong)1000000000),
+               (lnat)((x)/(ullong)1000000%(ullong)1000),
+               (lnat)((x)/(ullong)1000%(ullong)1000), 
+               (lnat)((x)%(ullong)1000));
     return s;
 }
+
+
+// Can be used as a breakpoint to set on every heap check failure.
+#ifdef DEBUG
+void
+heapCheckFail( void )
+{
+}
+#endif
+