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Threads[Create] - evaluate an expression in a new thread
使い方
Create(expr, opt1, opt2, ...)
Create(expr, var, opt1, opt2, ...)
パラメータ
expr - 評価する関数
var - 名前 (オプション)
opt1, opt2,... - 引数 (オプション)
説明
create コマンドは。このコマンドは新しいスレッドに対して整数識別子を返します。
expr の評価が終わると、スレッドは終了します。var が与えられているときは、評価した結果を var に代入します。
Create により返される識別子は Wait 状態になります。
例
p := proc( n ) local j; global i; for j from 1 to n do i := j; end do; end proc;
p := proc(n) local j; global i; for j to n do i := j end do end proc
id := Threads:-Create( p(10^3) );
id := 1
print( i );
15
227
496
Threads:-Wait( id );
id := Threads:-Create( int( sin(x)^x, x ), d );
id := 2
print( d );
d
Threads:-Wait( id ); print( d );
/ | x | sin(x) dx | /
参照
Threads, Threads[Mutex], Threads[ConditionVariable], Threads[Wait], Threads[Self]
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