Date: Thu, 02 Jul 2020 10:59:02 -0600 From: Ian Lepore <ian@freebsd.org> To: kamalp@acm.org, freebsd-arm@freebsd.org Subject: Re: cv_wait Message-ID: <ef01153a05887b10a443c71cb42aff6180ae7f8f.camel@freebsd.org> In-Reply-To: <CAK=yUGLoM1YWX5yxsboKqaCMr2jKGgtJ0a-CVVsfeEO3SpsYLQ@mail.gmail.com> References: <CAK=yUGLoM1YWX5yxsboKqaCMr2jKGgtJ0a-CVVsfeEO3SpsYLQ@mail.gmail.com>
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On Thu, 2020-07-02 at 21:48 +0530, Kamal R. Prasad wrote: > hello, > > i have written a piece of code in a freebsd driver meant for arm. The > first > cv_wait(&sc->sc_cv, &sc->sc_mtx); > keeps waiting indefinitely. If I use cv_timedwait() instead, it > returns > > EWOULDBLOCK > > > does someone know why this is happening? > > > thanks > > -kamal > That would imply that nothing is ever calling cv_signal(&sc->sc_cv) or cv_broadcast(&sc->sc_cv). -- Ian
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