X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pod%2Fperlthrtut.pod;h=8e4e4f6063bd80d173e51a0a74b82ef4b9bc9cda;hb=53273a086103cdbbf7ebdd5f1a18b2c0777cbc1b;hp=517fdd1b86d22652e3e276dfbf3cb7d3226f1b23;hpb=a95a5f75a0e72874474834cd9e274afa0f23b6d8;p=p5sagit%2Fp5-mst-13.2.git diff --git a/pod/perlthrtut.pod b/pod/perlthrtut.pod index 517fdd1..8e4e4f6 100644 --- a/pod/perlthrtut.pod +++ b/pod/perlthrtut.pod @@ -602,7 +602,7 @@ communications between threads. =head2 Semaphores: Synchronizing Data Access Semaphores are a kind of generic locking mechanism. In their most basic -form, they behave very much like lockable scalars, except that thay +form, they behave very much like lockable scalars, except that they can't hold data, and that they must be explicitly unlocked. In their advanced form, they act like a kind of counter, and can allow multiple threads to have the 'lock' at any one time.