Harden Async's parallel against one call returning several times

This commit is contained in:
Tissevert 2019-01-13 20:29:48 +01:00
parent 75f02b2c0b
commit 52a7e883fa
1 changed files with 8 additions and 4 deletions

View File

@ -39,13 +39,17 @@ function Async() {
var threads = arguments; var threads = arguments;
var pending = threads.length; var pending = threads.length;
var results = []; var results = [];
var returned = [];
return function(f) { return function(f) {
var useResult = function(i) { var useResult = function(i) {
return function(x) { return function(x) {
results[i] = x; if(!returned[i]) {
pending--; results[i] = x;
if(pending < 1) { returned[i] = true;
f(results); pending--;
if(pending < 1) {
f(results);
}
} }
}; };
}; };