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From: Bharath Vedartham <linux.bhar@gmail.com>
To: Muni Sekhar <munisekharrms@gmail.com>
Cc: kernelnewbies <kernelnewbies@kernelnewbies.org>
Subject: Re: wait_event()\ wait_event_interruptible()\ wait_event_interruptible_timeout() and wake_up()
Date: Mon, 29 Jul 2019 23:31:23 +0530
Message-ID: <20190729180122.GA11403@bharath12345-Inspiron-5559> (raw)
In-Reply-To: <CAHhAz+hL2SbR7H6gE2nGmWTA5AKnUvceGomWunNy7XPX2FKMug@mail.gmail.com>

On Mon, Jul 29, 2019 at 10:48:57PM +0530, Muni Sekhar wrote:
> Hi All,
> 
> Let us assume that multiple processes are waiting on wait_event()\
> wait_event_interruptible()\ wait_event_interruptible_timeout(), which
> process gets woken up on calling wake_up()??
> 
> I presume wake_up() picks one process, but is there any algorithm to
> pick which process?
> 
> 
> -- 
> Thanks,
> Sekhar
Sorry to spoil the fun here. But check out what the queue data structure
is all about. 'wait_queue' :)

Thank you
Bharath
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies@kernelnewbies.org
> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

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  parent reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-29 17:18 Muni Sekhar
2019-07-29 17:28 ` Greg KH
2019-07-29 18:01 ` Bharath Vedartham [this message]
2019-07-29 18:07   ` Muni Sekhar
2019-07-29 18:29     ` Valdis Klētnieks
2019-07-29 18:27 ` Valdis Klētnieks
2019-07-30  1:59   ` Muni Sekhar
2019-08-06  8:45   ` Muni Sekhar
2019-08-06 11:42     ` Valdis Klētnieks
2019-08-06 12:00       ` Muni Sekhar
2019-08-06 12:26         ` Greg KH

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