Unix: On failed assertion, break gracefully into debugger

__builtin_trap() causes an illegal instruction and thus the process
can't resume afterwards.
raise(SIGTRAP) only breaks into the debugger and thus allows to
"ignore" the assertion while debugging.
This commit is contained in:
Daniel Gibson 2015-12-13 03:22:37 +01:00
parent b03fc9271a
commit 48511003b6

View file

@ -26,7 +26,7 @@ If you have questions concerning this license or the applicable additional terms
===========================================================================
*/
#if defined( MACOS_X )
#if defined( MACOS_X ) || defined(__unix__)
#include <signal.h>
#include <sys/types.h>
#endif
@ -514,8 +514,14 @@ void AssertFailed( const char *file, int line, const char *expression ) {
idLib::sys->DebugPrintf( "\n\nASSERTION FAILED!\n%s(%d): '%s'\n", file, line, expression );
#ifdef _MSC_VER
__debugbreak();
_exit(1);
#elif defined(__unix__)
// __builtin_trap() causes an illegal instruction which is kinda ugly.
// especially if you'd like to be able to continue after the assertion during debugging
raise(SIGTRAP); // this will break into the debugger.
#elif defined( __GNUC__ )
__builtin_trap();
#endif
_exit(1);
#endif
}