/* -----------------------------------------------------------------------------
- * $Id: RtsUtils.c,v 1.29 2002/12/11 15:36:48 simonmar Exp $
*
- * (c) The GHC Team, 1998-2002
+ * (c) The GHC Team, 1998-2004
*
* General utility functions used in the RTS.
*
/* #include "PosixSource.h" */
#include "Rts.h"
-#include "RtsTypes.h"
#include "RtsAPI.h"
#include "RtsFlags.h"
-#include "Hooks.h"
-#include "Main.h"
#include "RtsUtils.h"
#include "Ticky.h"
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
+#include <stdio.h>
-/* variable-argument internal error function. */
-
-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: internal error: ", prog_argv[0]);
- } else {
- 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, ...)
-{
- 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]);
- }
- vfprintf(stderr, s, ap);
- fprintf(stderr, "\n");
- va_end(ap);
-}
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
-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);
-}
+#if defined(THREADED_RTS) && defined(openbsd_TARGET_OS) && defined(HAVE_PTHREAD_H)
+#include <pthread.h>
+#endif
-/* result-checking malloc wrappers. */
+/* -----------------------------------------------------------------------------
+ Result-checking malloc wrappers.
+ -------------------------------------------------------------------------- */
void *
stgMallocBytes (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;
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)
{
/* clear the non-blocking flag on this file descriptor */
fd_flags = fcntl(fd, F_GETFL);
- fcntl(fd, F_SETFL, fd_flags | O_NONBLOCK);
+ if (!(fd_flags & O_NONBLOCK)) {
+ 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 */
return t * LL(1000) - startTime;
# endif
}
+#endif /* PAR */
/* -----------------------------------------------------------------------------
Print large numbers, with punctuation.
}
#endif
+/*
+ * It seems that pthreads and signals interact oddly in OpenBSD & FreeBSD
+ * pthreads (and possibly others). When linking with -lpthreads, we
+ * have to use pthread_kill to send blockable signals. So use that
+ * when we have a threaded rts. So System.Posix.Signals will call
+ * genericRaise(), rather than raise(3).
+ */
+int genericRaise(int sig) {
+#if defined(THREADED_RTS) && (defined(openbsd_TARGET_OS) || defined(freebsd_TARGET_OS))
+ return pthread_kill(pthread_self(), sig);
+#else
+ return raise(sig);
+#endif
+}