void vlc_enable_override (void);
-#if defined (__GNUC__) /* typeof and statement-expression */ \
+#if defined (__GNUC__) \
&& (defined (__ELF__) && !defined (__sun__))
/* Solaris crashes on printf("%s", NULL); which is legal, but annoying. */
}
#define LOG(level, ...) logbug(level, __func__, __VA_ARGS__)
+/* Evil non-standard GNU C macro ;)
+ * typeof keyword,
+ * statement-expression,
+ * nested function...
+ */
#define CALL(func, ...) \
- ({ typeof (func) *sym = getsym ( # func); sym (__VA_ARGS__); })
+({ \
+ static typeof (func) *sym = NULL; \
+ static pthread_once_t once = PTHREAD_ONCE_INIT; \
+ auto void getsym_once (void); \
+ void getsym_once (void) \
+ { \
+ sym = getsym ( # func); \
+ } \
+ pthread_once (&once, getsym_once); \
+ sym (__VA_ARGS__); \
+})
/*** Environment ***
if (!blocked_signal (signum))
goto error;
/* For our blocked signals, the handler won't matter much... */
- LOG("Warning", "%d, %p", signum, handler);
+ if (handler == SIG_DFL)
+ LOG("Warning", "%d, SIG_DFL", signum, handler);
}
return CALL(signal, signum, handler);
error:
if ((act->sa_flags & SA_SIGINFO)
|| (act->sa_handler != SIG_IGN && act->sa_handler != SIG_DFL))
goto error;
- LOG("Warning", "%d, %p, %p", signum, act, old);
+ if (act->sa_handler == SIG_DFL)
+ LOG("Warning", "%d, %p, SIG_DFL", signum, act);
}
return CALL(sigaction, signum, act, old);
error: