| ... | ... | @@ -1179,6 +1179,7 @@ const Syscall = struct { |
| 1179 | 1179 | |
| 1180 | 1180 | const max_iovecs_len = 8; |
| 1181 | 1181 | const splat_buffer_size = 64; |
| 1182 | const poll_buffer_len = 100; |
| 1182 | 1183 | const default_PATH = "/usr/local/bin:/bin/:/usr/bin"; |
| 1183 | 1184 | |
| 1184 | 1185 | comptime { |
| ... | ... | @@ -2274,15 +2275,13 @@ fn operate(userdata: ?*anyopaque, operations: []Io.Operation) void { |
| 2274 | 2275 | |
| 2275 | 2276 | if (is_windows) @panic("TODO"); |
| 2276 | 2277 | |
| 2277 | | var poll_buffer: [100]posix.pollfd = undefined; |
| 2278 | | var map_buffer: [poll_buffer.len]u8 = undefined; // poll_buffer index to operations index |
| 2278 | var poll_buffer: [poll_buffer_len]posix.pollfd = undefined; |
| 2279 | var map_buffer: [poll_buffer_len]u8 = undefined; // poll_buffer index to operations index |
| 2279 | 2280 | var poll_i: usize = 0; |
| 2280 | 2281 | |
| 2281 | 2282 | // Put all the file reads with nonblocking enabled into the poll set. |
| 2282 | 2283 | if (operations.len > poll_buffer.len) @panic("TODO"); |
| 2283 | 2284 | |
| 2284 | | // TODO if any operation is canceled, cancel the rest |
| 2285 | | |
| 2286 | 2285 | for (operations, 0..) |*operation, operation_index| switch (operation.*) { |
| 2287 | 2286 | .noop => continue, |
| 2288 | 2287 | .file_read_streaming => |*o| { |
| ... | ... | @@ -2296,7 +2295,13 @@ fn operate(userdata: ?*anyopaque, operations: []Io.Operation) void { |
| 2296 | 2295 | map_buffer[poll_i] = @intCast(operation_index); |
| 2297 | 2296 | poll_i += 1; |
| 2298 | 2297 | } else { |
| 2299 | | o.result = fileReadStreaming(o.file, o.data); |
| 2298 | o.result = fileReadStreaming(o.file, o.data) catch |err| switch (err) { |
| 2299 | error.Canceled => { |
| 2300 | setOperationsCanceled(operations[operation_index..]); |
| 2301 | return; |
| 2302 | }, |
| 2303 | else => err, |
| 2304 | }; |
| 2300 | 2305 | } |
| 2301 | 2306 | }, |
| 2302 | 2307 | }; |
| ... | ... | @@ -2309,12 +2314,7 @@ fn operate(userdata: ?*anyopaque, operations: []Io.Operation) void { |
| 2309 | 2314 | while (true) { |
| 2310 | 2315 | const syscall = Syscall.start() catch |err| switch (err) { |
| 2311 | 2316 | error.Canceled => { |
| 2312 | | for (map_buffer[0..poll_i]) |operation_index| { |
| 2313 | | switch (operations[operation_index]) { |
| 2314 | | .noop => unreachable, |
| 2315 | | inline else => |*o| o.result = error.Canceled, |
| 2316 | | } |
| 2317 | | } |
| 2317 | setAllOperationsError(operations, map_buffer[0..poll_i], error.Canceled); |
| 2318 | 2318 | return; |
| 2319 | 2319 | }, |
| 2320 | 2320 | }; |
| ... | ... | @@ -2329,7 +2329,14 @@ fn operate(userdata: ?*anyopaque, operations: []Io.Operation) void { |
| 2329 | 2329 | break; |
| 2330 | 2330 | }, |
| 2331 | 2331 | .INTR => continue, |
| 2332 | | else => @panic("TODO handle unexpected error from poll()"), |
| 2332 | .NOMEM => { |
| 2333 | setAllOperationsError(operations, map_buffer[0..poll_i], error.SystemResources); |
| 2334 | return; |
| 2335 | }, |
| 2336 | else => { |
| 2337 | setAllOperationsError(operations, map_buffer[0..poll_i], error.Unexpected); |
| 2338 | return; |
| 2339 | }, |
| 2333 | 2340 | } |
| 2334 | 2341 | } |
| 2335 | 2342 | |
| ... | ... | @@ -2344,6 +2351,24 @@ fn operate(userdata: ?*anyopaque, operations: []Io.Operation) void { |
| 2344 | 2351 | } |
| 2345 | 2352 | } |
| 2346 | 2353 | |
| 2354 | fn setAllOperationsError( |
| 2355 | operations: []Io.Operation, |
| 2356 | map: []const u8, |
| 2357 | err: error{ Canceled, SystemResources, Unexpected }, |
| 2358 | ) void { |
| 2359 | for (map) |operation_index| switch (operations[operation_index]) { |
| 2360 | .noop => unreachable, |
| 2361 | inline else => |*o| o.result = err, |
| 2362 | }; |
| 2363 | } |
| 2364 | |
| 2365 | fn setOperationsCanceled(operations: []Io.Operation) void { |
| 2366 | for (operations) |*op| switch (op.*) { |
| 2367 | .noop => unreachable, |
| 2368 | inline else => |*o| o.result = error.Canceled, |
| 2369 | }; |
| 2370 | } |
| 2371 | |
| 2347 | 2372 | const dirCreateDir = switch (native_os) { |
| 2348 | 2373 | .windows => dirCreateDirWindows, |
| 2349 | 2374 | .wasi => dirCreateDirWasi, |
Andrew Kelley <andrew@ziglang.org> 2026-01-08 14:10:31-08:00
lib