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From: | Avi Kivity |
Subject: | Re: [Qemu-devel] [RFC][PATCH 05/12] coroutine: Add coroutines |
Date: | Wed, 26 Jan 2011 17:29:23 +0200 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Lightning/1.0b3pre Thunderbird/3.1.7 |
On 01/22/2011 11:29 AM, Stefan Hajnoczi wrote:
Add functions to create coroutines and transfer control into a coroutine and back out again. + +struct Coroutine { + struct coroutine co; +}; + +/** + * Coroutine entry point + * + * When the coroutine is entered for the first time, opaque is passed in as an + * argument. + * + * When this function returns, the coroutine is destroyed automatically and the + * return value is passed back to the caller who last entered the coroutine. + */ +typedef void * coroutine_fn CoroutineEntry(void *opaque);
The more modern style is to use the Coroutine structure as argument, and let the coroutine function use container_of() to obtain access to its own data structures. Similarly it can store any return value there, avoiding casts to and from void pointers.
-- error compiling committee.c: too many arguments to function
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