| module core.internal.abort; |
| |
| /* |
| * Use instead of assert(0, msg), since this does not print a message for -release compiled |
| * code, and druntime is -release compiled. |
| */ |
| void abort(scope string msg, scope string filename = __FILE__, size_t line = __LINE__) @nogc nothrow @safe |
| { |
| import core.stdc.stdlib: c_abort = abort; |
| // use available OS system calls to print the message to stderr |
| version (Posix) |
| { |
| import core.sys.posix.unistd: write; |
| static void writeStr(const(char)[][] m...) @nogc nothrow @trusted |
| { |
| foreach (s; m) |
| write(2, s.ptr, s.length); |
| } |
| } |
| else version (Windows) |
| { |
| import core.sys.windows.windows: GetStdHandle, STD_ERROR_HANDLE, WriteFile, INVALID_HANDLE_VALUE; |
| auto h = (() @trusted => GetStdHandle(STD_ERROR_HANDLE))(); |
| if (h == INVALID_HANDLE_VALUE) |
| // attempt best we can to print the message |
| assert(0, msg); |
| void writeStr(const(char)[][] m...) @nogc nothrow @trusted |
| { |
| foreach (s; m) |
| { |
| assert(s.length <= uint.max); |
| WriteFile(h, s.ptr, cast(uint)s.length, null, null); |
| } |
| } |
| } |
| else |
| static assert(0, "Unsupported OS"); |
| |
| import core.internal.string; |
| UnsignedStringBuf strbuff; |
| |
| // write an appropriate message, then abort the program |
| writeStr("Aborting from ", filename, "(", line.unsignedToTempString(strbuff, 10), ") ", msg); |
| c_abort(); |
| } |