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diff --git a/share/doc/gcc/Synchronization.html b/share/doc/gcc/Synchronization.html new file mode 100644 index 0000000..1b4b01d --- /dev/null +++ b/share/doc/gcc/Synchronization.html @@ -0,0 +1,114 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- This file documents the use of the GNU compilers. + +Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). 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If it has, the current thread +shall wait until the other thread relinquishes its lock. Once +<code>guard</code> becomes available, the current thread will place its own +lock on it, execute the code contained in the <code>@synchronized</code> +block, and finally relinquish the lock (thereby making <code>guard</code> +available to other threads). +</p> +<p>Unlike Java, Objective-C does not allow for entire methods to be +marked <code>@synchronized</code>. Note that throwing exceptions out of +<code>@synchronized</code> blocks is allowed, and will cause the guarding +object to be unlocked properly. +</p> +<p>Because of the interactions between synchronization and exception +handling, you can only use <code>@synchronized</code> when compiling with +exceptions enabled, that is with the command line option +<samp>-fobjc-exceptions</samp>. +</p> + + + + +</body> +</html> |