/* -----------------------------------------------------------------------------
- * $Id: RtsUtils.c,v 1.21 2001/08/29 14:55:58 sewardj Exp $
+ * $Id: RtsUtils.c,v 1.34 2003/04/01 15:40:27 sof Exp $
*
- * (c) The GHC Team, 1998-1999
+ * (c) The GHC Team, 1998-2002
*
* General utility functions used in the RTS.
*
#include "RtsAPI.h"
#include "RtsFlags.h"
#include "Hooks.h"
-#include "Main.h"
#include "RtsUtils.h"
#include "Ticky.h"
#include <sys/time.h>
#endif
+#include <stdlib.h>
+#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]);
+ fprintf(stderr, "%s: internal error: ", prog_argv[0]);
} 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);
}
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);
/* don't fflush(stdout); WORKAROUND bug in Linux glibc */
vfprintf(stderr, s, ap);
fprintf(stderr, "\n");
+ va_end(ap);
}
/* result-checking malloc wrappers. */
}
void *
-stgMallocWords (int n, char *msg)
-{
- return(stgMallocBytes(n * sizeof(W_), msg));
-}
-
-void *
-stgReallocWords (void *p, int n, char *msg)
+stgCallocBytes (int n, int m, char *msg)
{
- return(stgReallocBytes(p, n * sizeof(W_), msg));
+ int i;
+ int sz = n * m;
+ char* p = stgMallocBytes(sz, msg);
+ for (i = 0; i < sz; i++) p[i] = 0;
+ return p;
}
-void *
-stgCallocBytes (int n, int m, char *msg)
+/* To simplify changing the underlying allocator used
+ * by stgMallocBytes(), provide stgFree() as well.
+ */
+void
+stgFree(void* p)
{
- return stgMallocBytes(n*m, msg);
+ free(p);
}
void
ToDo: put this somewhere sensible.
------------------------------------------------------------------------- */
-I_ __GenSymCounter = 0;
+static I_ __GenSymCounter = 0;
I_
genSymZh(void)
* clean up for us.
* -------------------------------------------------------------------------- */
+#if !defined(mingw32_TARGET_OS)
void
resetNonBlockingFd(int fd)
{
long fd_flags;
-#if !defined(mingw32_TARGET_OS)
/* clear the non-blocking flag on this file descriptor */
fd_flags = fcntl(fd, F_GETFL);
if (fd_flags & O_NONBLOCK) {
fcntl(fd, F_SETFL, fd_flags & ~O_NONBLOCK);
}
-#endif
}
+void
+setNonBlockingFd(int fd)
+{
+ long fd_flags;
+
+ /* clear the non-blocking flag on this file descriptor */
+ fd_flags = fcntl(fd, F_GETFL);
+ fcntl(fd, F_SETFL, fd_flags | O_NONBLOCK);
+}
+#else
+/* 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 */
return t * LL(1000) - startTime;
# endif
}
+#endif /* PAR */
/* -----------------------------------------------------------------------------
Print large numbers, with punctuation.
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
+