Re: RFC - Zend VM Pause API

To make the discussion more detailed, please allow me to offer my implementation of use land coroutine(Fiber). https://github.com/php/php-src/compare/master...fiberphp:fiber-ext?expand=1 > On 1 Nov 2017, at 17:32, Haitao Lv <i@lvht.net> wrote: > > Suppose we have a internal Coroutine class and it has a resume() method. > > In order to resume the coroutine, we have to call the resume() function. > > As the resume function is a internal method defined in c, we need call > > zend_execute_ex(backuped_execute_data) > > to resume the zend execution. > > If we need to pause the coroutine, we set the EG(vm_interrupt) and interrupt_function, > and switch the execute data and stack. The zend vm will execute the old online. > > However, we will never see the resume() method returned and never get its return value. > >> On 1 Nov 2017, at 17:14, Dmitry Stogov <dmitry@zend.com> wrote: >> >> after zend_interrupt_function() callback VM continues execution using >> EG(current_execute_data). >> callback may modify it in any way (e.g. unwind stack, or switch to another co-routine or >> continuation). >> >> Thanks. Dmitry. >> From: Haitao Lv <i@lvht.net> >> Sent: Wednesday, November 1, 2017 11:54:54 AM >> To: Dmitry Stogov >> Cc: PHP Internals >> Subject: Re: [PHP-DEV] RFC - Zend VM Pause API >> >> It seems that set EG(vm_interrupt) to 1 could not stop the vm execution but only execute >> the interrupt_function and continue the current execution. >> >> However, my RFC propose to stop the current execution. >> >>> On 1 Nov 2017, at 16:07, Dmitry Stogov <dmitry@zend.com> wrote: >>> >>> Hi, >>> >>> It should be possible do similar things using EG(vm_interrupt) and >>> zend_interrupt_function() callback (introduced in php-7.1) >>> ext/pcntl implements asynchronous signal handling using this. >>> >>> Thanks. Dmitry. >>> From: Haitao Lv <i@lvht.net> >>> Sent: Wednesday, November 1, 2017 4:19:07 AM >>> To: PHP Internals >>> Subject: [PHP-DEV] RFC - Zend VM Pause API >>> >>> Hi, internals, >>> >>> I propose to introduce a new zend vm pause api, and here is the RPF >>> >>> https://wiki.php.net/rfc/zend-vm-pause-api >>> >>> Please gave your comment. >>> >>> Thank you. >>> >>> >>> >>> -- >>> PHP Internals - PHP Runtime Development Mailing List >>> To unsubscribe, visit: http://www.php.net/unsub.php >> >> > > > > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php >