| ... | ... | @@ -252,12 +252,37 @@ pub const Thread = struct { |
| 252 | 252 | } |
| 253 | 253 | } |
| 254 | 254 | fn posixThreadMain(ctx: ?*c_void) callconv(.C) ?*c_void { |
| 255 | | if (@sizeOf(Context) == 0) { |
| 256 | | _ = startFn({}); |
| 257 | | return null; |
| 258 | | } else { |
| 259 | | _ = startFn(@ptrCast(*const Context, @alignCast(@alignOf(Context), ctx)).*); |
| 260 | | return null; |
| 255 | const arg = if (@sizeOf(Context) == 0) {} else @ptrCast(*Context, @alignCast(@alignOf(Context), ctx)).*; |
| 256 | |
| 257 | switch (@typeInfo(@TypeOf(startFn).ReturnType)) { |
| 258 | .NoReturn => { |
| 259 | startFn(arg); |
| 260 | }, |
| 261 | .Void => { |
| 262 | startFn(arg); |
| 263 | return null; |
| 264 | }, |
| 265 | .Int => |info| { |
| 266 | if (info.bits != 8) { |
| 267 | @compileError(bad_startfn_ret); |
| 268 | } |
| 269 | // pthreads don't support exit status, ignore value |
| 270 | _ = startFn(arg); |
| 271 | return null; |
| 272 | }, |
| 273 | .ErrorUnion => |info| { |
| 274 | if (info.payload != void) { |
| 275 | @compileError(bad_startfn_ret); |
| 276 | } |
| 277 | startFn(arg) catch |err| { |
| 278 | std.debug.warn("error: {}\n", .{@errorName(err)}); |
| 279 | if (@errorReturnTrace()) |trace| { |
| 280 | std.debug.dumpStackTrace(trace.*); |
| 281 | } |
| 282 | }; |
| 283 | return 0; |
| 284 | }, |
| 285 | else => @compileError(bad_startfn_ret), |
| 261 | 286 | } |
| 262 | 287 | } |
| 263 | 288 | }; |
Andrius Mitkus <andrius.mitkus@gmail.com> 2020-04-20 18:18:50+03:00
Andrew Kelley <andrew@ziglang.org> 2020-04-25 16:15:25-04:00
lib