On Mon, Jul 25, 2022 at 03:38:39AM -0400, Emanuele Giuseppe Esposito wrote:
> With "intact" we mean that all job.h functions implicitly
> take the lock. Therefore API callers are unmodified.
>
> This means that:
> - many static functions that will be always called with job lock held
> become _locked, and call _locked functions
> - all public functions take the lock internally if needed, and call _locked
> functions
> - all public functions called internally by other functions in job.c will
> have a
> _locked counterpart (sometimes public), to avoid deadlocks (job lock
> already taken).
> These functions are not used for now.
> - some public functions called only from exernal files (not job.c) do not
> have _locked() counterpart and take the lock inside. Others won't need
> the lock at all because use fields only set at initialization and
> never modified.
>
> job_{lock/unlock} is independent from real_job_{lock/unlock}.
>
> Note: at this stage, job_{lock/unlock} and job lock guard macros
> are *nop*
>
> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsement...@yandex-team.ru>
> Signed-off-by: Emanuele Giuseppe Esposito <eespo...@redhat.com>
> ---
> include/qemu/job.h | 138 ++++++++++-
> job.c | 600 +++++++++++++++++++++++++++++++--------------
> 2 files changed, 553 insertions(+), 185 deletions(-)Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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