Merged revisions 116463 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r116463 | russell | 2008-05-14 16:32:00 -0500 (Wed, 14 May 2008) | 4 lines

Add ast_assert(), which can be used to handle fatal errors.  It is only compiled
in if dev-mode is enabled, and only aborts if DO_CRASH is defined.
(inspired by issue #12650)

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@116469 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 27 insertions, 0 deletions

diff --git a/include/asterisk/utils.h b/include/asterisk/utils.h
index be7d3fbfd..0de0727a7 100644
--- a/include/asterisk/utils.h
+++ b/include/asterisk/utils.h
@@ -654,6 +654,33 @@ int ast_mkdir(const char *path, int mode);
 
 #define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
 
+#ifdef AST_DEVMODE
+#define ast_assert(a) _ast_assert(a, # a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
+static void force_inline _ast_assert(int condition, const char *condition_str, 
+	const char *file, int line, const char *function)
+{
+	if (__builtin_expect(!condition, 1)) {
+		/* Attempt to put it into the logger, but hope that at least someone saw the
+		 * message on stderr ... */
+		ast_log(LOG_ERROR, "FRACK!, Failed assertion %s (%d) at line %d in %s of %s\n",
+			condition_str, condition, line, function, file);
+		fprintf(stderr, "FRACK!, Failed assertion %s (%d) at line %d in %s of %s\n",
+			condition_str, condition, line, function, file);
+		/* Give the logger a chance to get the message out, just in case we abort(), or
+		 * Asterisk crashes due to whatever problem just happened after we exit ast_assert(). */
+		usleep(1);
+#ifdef DO_CRASH
+		abort();
+		/* Just in case abort() doesn't work or something else super silly,
+		 * and for Qwell's amusement. */
+		*((int*)0)=0;
+#endif
+	}
+}
+#else
+#define ast_assert(a)
+#endif
+
 #include "asterisk/strings.h"
 
 #endif /* _ASTERISK_UTILS_H */