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loop.run now takes a maximum wait time

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This commit is contained in:
Karl Seguin
2025-06-23 16:43:28 +08:00
parent 11fe79312d
commit fe6ccad485
4 changed files with 10 additions and 12 deletions
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14
src/runtime/loop.zig
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@@ -102,12 +102,16 @@ pub const Loop = struct {
// Stops when there is no more I/O events registered on the loop.
// Note that I/O events callbacks might register more I/O events
// on the go when they are executed (ie. nested I/O events).
pub fn run(self: *Self) !void {
pub fn run(self: *Self, wait_time: usize) !void {
// stop repeating / interval timeouts from re-registering
self.stopping = true;
defer self.stopping = false;
while (self.pending_network_count != 0 or self.pending_timeout_count != 0) {
const max_iterations = wait_time / (std.time.ns_per_ms * 10);
for (0..max_iterations) |_| {
if (self.pending_network_count == 0 and self.pending_timeout_count == 0) {
break;
}
self.io.run_for_ns(std.time.ns_per_ms * 10) catch |err| {
log.err(.loop, "deinit", .{ .err = err });
break;
@@ -187,12 +191,6 @@ pub const Loop = struct {
}
pub fn timeout(self: *Self, nanoseconds: u63, callback_node: ?*CallbackNode) !usize {
if (self.stopping) {
// Prevents a timeout callback from creating a new timeout, which
// would make `loop.run` run forever.
return 0;
}
const completion = try self.alloc.create(Completion);
errdefer self.alloc.destroy(completion);
completion.* = undefined;