/****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
* and: Thomas E. Dickey 1996-on *
+ * and: Juergen Pfeifer *
****************************************************************************/
/*
#include <ctype.h>
-MODULE_ID("$Id: lib_trace.c,v 1.62 2007/07/14 19:32:54 tom Exp $")
+MODULE_ID("$Id: lib_trace.c,v 1.77 2011/10/22 16:34:50 tom Exp $")
NCURSES_EXPORT_VAR(unsigned) _nc_tracing = 0; /* always define this */
#ifdef TRACE
+
+#if USE_REENTRANT
+NCURSES_EXPORT(const char *)
+NCURSES_PUBLIC_VAR(_nc_tputs_trace) (void)
+{
+ return CURRENT_SCREEN ? CURRENT_SCREEN->_tputs_trace : _nc_prescreen._tputs_trace;
+}
+NCURSES_EXPORT(long)
+NCURSES_PUBLIC_VAR(_nc_outchars) (void)
+{
+ return CURRENT_SCREEN ? CURRENT_SCREEN->_outchars : _nc_prescreen._outchars;
+}
+NCURSES_EXPORT(void)
+_nc_set_tputs_trace(const char *s)
+{
+ if (CURRENT_SCREEN)
+ CURRENT_SCREEN->_tputs_trace = s;
+ else
+ _nc_prescreen._tputs_trace = s;
+}
+NCURSES_EXPORT(void)
+_nc_count_outchars(long increment)
+{
+ if (CURRENT_SCREEN)
+ CURRENT_SCREEN->_outchars += increment;
+ else
+ _nc_prescreen._outchars += increment;
+}
+#else
NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace = "";
NCURSES_EXPORT_VAR(long) _nc_outchars = 0;
+#endif
#define TraceFP _nc_globals.trace_fp
#define TracePath _nc_globals.trace_fname
const char *mode = _nc_globals.init_trace ? "ab" : "wb";
if (TracePath[0] == '\0') {
- if (getcwd(TracePath, sizeof(TracePath) - 12) == 0) {
+ size_t size = sizeof(TracePath) - 12;
+ if (getcwd(TracePath, size) == 0) {
perror("curses: Can't get working directory");
exit(EXIT_FAILURE);
}
+ TracePath[size] = '\0';
+ assert(strlen(TracePath) <= size);
strcat(TracePath, "/trace");
if (_nc_is_dir_path(TracePath)) {
strcat(TracePath, ".log");
* end of each line. This is useful in case the program dies.
*/
#if HAVE_SETVBUF /* ANSI */
- (void) setvbuf(TraceFP, (char *) 0, _IOLBF, 0);
-#elif HAVE_SETBUF /* POSIX */
+ (void) setvbuf(TraceFP, (char *) 0, _IOLBF, (size_t) 0);
+#elif HAVE_SETBUF /* POSIX */
(void) setbuffer(TraceFP, (char *) 0);
#endif
_tracef("TRACING NCURSES version %s.%d (tracelevel=%#x)",
}
}
-NCURSES_EXPORT(void)
-_tracef(const char *fmt,...)
+static void
+_nc_va_tracef(const char *fmt, va_list ap)
{
static const char Called[] = T_CALLED("");
static const char Return[] = T_RETURN("");
- va_list ap;
+
bool before = FALSE;
bool after = FALSE;
unsigned doit = _nc_tracing;
if (doit != 0) {
if (TraceFP == 0)
TraceFP = stderr;
+#ifdef USE_PTHREADS
+ /*
+ * TRACE_ICALLS is "really" needed to show normal use with threaded
+ * applications, since anything can be running during a napms(),
+ * making it appear in the hierarchical trace as it other functions
+ * are being called.
+ *
+ * Rather than add the complication of a per-thread stack, just
+ * show the thread-id in each line of the trace.
+ */
+# if USE_WEAK_SYMBOLS
+ if ((pthread_self))
+# endif
+#ifdef __MINGW32__
+ fprintf(TraceFP, "%#lx:", (long) (void *) pthread_self().p);
+#else
+ fprintf(TraceFP, "%#lx:", (long) (void *) pthread_self());
+#endif
+#endif
if (before || after) {
int n;
for (n = 1; n < TraceLevel; n++)
fputs("+ ", TraceFP);
}
- va_start(ap, fmt);
vfprintf(TraceFP, fmt, ap);
fputc('\n', TraceFP);
- va_end(ap);
fflush(TraceFP);
}
if (after && TraceLevel)
TraceLevel--;
+
errno = save_err;
}
+NCURSES_EXPORT(void)
+_tracef(const char *fmt,...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ _nc_va_tracef(fmt, ap);
+ va_end(ap);
+}
+
/* Trace 'bool' return-values */
NCURSES_EXPORT(NCURSES_BOOL)
-_nc_retrace_bool(NCURSES_BOOL code)
+_nc_retrace_bool(int code)
{
T((T_RETURN("%s"), code ? "TRUE" : "FALSE"));
return code;
}
+/* Trace 'char' return-values */
+NCURSES_EXPORT(char)
+_nc_retrace_char(int code)
+{
+ T((T_RETURN("%c"), code));
+ return code;
+}
+
/* Trace 'int' return-values */
NCURSES_EXPORT(int)
_nc_retrace_int(int code)
NCURSES_EXPORT(SCREEN *)
_nc_retrace_sp(SCREEN *code)
{
- T((T_RETURN("%p"), code));
+ T((T_RETURN("%p"), (void *) code));
return code;
}
NCURSES_EXPORT(WINDOW *)
_nc_retrace_win(WINDOW *code)
{
- T((T_RETURN("%p"), code));
+ T((T_RETURN("%p"), (void *) code));
return code;
}
+
+#if USE_REENTRANT
+/*
+ * Check if the given trace-mask is enabled.
+ *
+ * This function may be called from within one of the functions that fills
+ * in parameters for _tracef(), but in that case we do not want to lock the
+ * mutex, since it is already locked.
+ */
+NCURSES_EXPORT(int)
+_nc_use_tracef(unsigned mask)
+{
+ bool result = FALSE;
+
+ _nc_lock_global(tst_tracef);
+ if (!_nc_globals.nested_tracef++) {
+ if ((result = (_nc_tracing & (mask))) != 0
+ && _nc_try_global(tracef) == 0) {
+ /* we will call _nc_locked_tracef(), no nesting so far */
+ } else {
+ /* we will not call _nc_locked_tracef() */
+ _nc_globals.nested_tracef = 0;
+ }
+ } else {
+ /* we may call _nc_locked_tracef(), but with nested_tracef > 0 */
+ result = (_nc_tracing & (mask));
+ }
+ _nc_unlock_global(tst_tracef);
+ return result;
+}
+
+/*
+ * We call this if _nc_use_tracef() returns true, which means we must unlock
+ * the tracef mutex.
+ */
+NCURSES_EXPORT(void)
+_nc_locked_tracef(const char *fmt,...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ _nc_va_tracef(fmt, ap);
+ va_end(ap);
+
+ if (--(_nc_globals.nested_tracef) == 0)
+ _nc_unlock_global(tracef);
+}
+#endif /* USE_REENTRANT */
+
#endif /* TRACE */
projects / ncurses.git / blobdiff