#ifndef _SBCL_RUNTIME_H_
#define _SBCL_RUNTIME_H_
-/*#define QSHOW */ /* Enable low-level debugging output? */
-
-#ifdef QSHOW
-#define FSHOW(args) fprintf args
-#define SHOW(string) FSHOW((stderr, "/%s\n", string))
+#if defined(LISP_FEATURE_SB_THREAD)
+#define thread_self() pthread_self()
+#define thread_kill pthread_kill
+#define thread_sigmask pthread_sigmask
+#define thread_mutex_lock(l) pthread_mutex_lock(l)
+#define thread_mutex_unlock(l) pthread_mutex_unlock(l)
#else
-#define FSHOW(args)
-#define SHOW(string)
+#define thread_self() 0
+#define thread_kill kill_safely
+#define thread_sigmask sigprocmask
+#define thread_mutex_lock(l) 0
+#define thread_mutex_unlock(l) 0
#endif
+/* Block blockable interrupts for each SHOW, if not 0. */
+#define QSHOW_SIGNAL_SAFE 1
/* Enable extra-verbose low-level debugging output for signals? (You
* probably don't want this unless you're trying to debug very early
* cold boot on a new machine, or one where you've just messed up
* causes output from signal handlers, and the i/o libraries aren't
* necessarily reentrant. But it can still be very convenient for
* figuring out what's going on when you have a signal handling
- * problem.. */
+ * problem. */
#define QSHOW_SIGNALS 0
+/* Enable low-level debugging output, if not zero. Defaults to enabled
+ * if QSHOW_SIGNALS, disabled otherwise. Change it to 1 if you want
+ * low-level debugging output but not the whole signal mess. */
+#define QSHOW QSHOW_SIGNALS
+
+#if QSHOW
+
+#if QSHOW_SIGNAL_SAFE == 1 && !defined(LISP_FEATURE_WIN32)
+
+#include <signal.h>
+extern sigset_t blockable_sigset;
+
+#define QSHOW_BLOCK \
+ sigset_t oldset; \
+ thread_sigmask(SIG_BLOCK, &blockable_sigset, &oldset);
+#define QSHOW_UNBLOCK thread_sigmask(SIG_SETMASK,&oldset,0);
+#else
+#define QSHOW_BLOCK
+#define QSHOW_UNBLOCK
+#endif
+
+#ifdef LISP_FEATURE_SB_THREAD
+#define QSHOW_PREFIX fprintf(stderr, "%lu ", pthread_self());
+#else
+#define QSHOW_PREFIX
+#endif
+
+#define FSHOW(args) \
+ do { \
+ QSHOW_BLOCK \
+ QSHOW_PREFIX \
+ fprintf args; \
+ QSHOW_UNBLOCK \
+ } while (0)
+#define SHOW(string) FSHOW((stderr, "/%s\n", string))
+
+#else
+
+#define FSHOW(args)
+#define SHOW(string)
+
+#endif
#if QSHOW_SIGNALS
#define FSHOW_SIGNAL FSHOW
return obj & 1;
}
+#include "fixnump.h"
+
+/* Is the Lisp object obj something with immediate nature (e.g. a
+ * fixnum or character or unbound marker)? */
+static inline int
+is_lisp_immediate(lispobj obj)
+{
+ return (fixnump(obj)
+ || (widetag_of(obj) == CHARACTER_WIDETAG)
+#if N_WORD_BITS == 64
+ || (widetag_of(obj) == SINGLE_FLOAT_WIDETAG)
+#endif
+ || (widetag_of(obj) == UNBOUND_MARKER_WIDETAG));
+}
+
/* Convert from a lispobj with type bits to a native (ordinary
* C/assembly) pointer to the beginning of the object. */
static inline lispobj *
#endif
typedef int boolean;
+static inline boolean
+other_immediate_lowtag_p(lispobj header)
+{
+ switch (lowtag_of(header)) {
+ case OTHER_IMMEDIATE_0_LOWTAG:
+ case OTHER_IMMEDIATE_1_LOWTAG:
+#ifdef OTHER_IMMEDIATE_2_LOWTAG
+ case OTHER_IMMEDIATE_2_LOWTAG:
+#endif
+#ifdef OTHER_IMMEDIATE_3_LOWTAG
+ case OTHER_IMMEDIATE_3_LOWTAG:
+#endif
+ return 1;
+ default:
+ return 0;
+ }
+}
+
/* KLUDGE: As far as I can tell there's no ANSI C way of saying
* "this function never returns". This is the way that you do it
* in GCC later than version 2.5 or so. */
extern void *successful_malloc (size_t size);
extern char *copied_string (char *string);
+#define RUNTIME_OPTIONS_MAGIC 0x31EBF355
+/* 1 for magic, 1 for boolean, 2 for struct runtime_options fields */
+#define RUNTIME_OPTIONS_WORDS (1 + 1 + 2)
+
+struct runtime_options {
+ size_t dynamic_space_size;
+ size_t thread_control_stack_size;
+};
+
+/* saved runtime path computed from argv[0] */
+extern char *saved_runtime_path;
+
#endif /* _SBCL_RUNTIME_H_ */