[Bug 58383] New: mmdevapi notify_thread busy waits when no midi driver can be loaded

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58383

Bug ID: 58383
           Summary: mmdevapi notify_thread busy waits when no midi driver
                    can be loaded
           Product: Wine
           Version: 10.6
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: mmdevapi
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

When wine is built without any audio driver besides pulse, any time a program
loads mmdevapi since commit b002a3e8c90da36888dc7b60a20df805c8e0b4a7, notify
thread pins one cpu.

[Bug 58383] mmdevapi notify_thread busy waits when no midi driver can be loaded

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58383

--- Comment #1 from olegos2  ---
One of the programs that can be used to reproduce is CPU-Z.

[Bug 58383] mmdevapi notify_thread busy waits when no midi driver can be loaded

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58383

olegos2  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
    Regression SHA1|                            |b002a3e

[Bug 58383] mmdevapi notify_thread busy waits when no midi driver can be loaded

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58383

olegos2  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
    Regression SHA1|b002a3e                     |b002a3e8c90da36888dc7b60a20
                   |                            |df805c8e0b4a7

[Bug 58383] mmdevapi notify_thread busy waits when no midi driver can be loaded

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58383

olegos2  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |regression

[Bug 58383] mmdevapi notify_thread busy waits when no midi driver can be loaded

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58383

--- Comment #2 from olegos2  ---
Created attachment 78795
  --> http://bugs.winehq.org/attachment.cgi?id=78795
POC patch

[Bug 58383] mmdevapi notify_thread busy waits when no midi driver can be loaded

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58383

Ken Sharp  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |download, patch
                 CC|                            |[e-mail]
                URL|                            |https://www.cpuid.com/downl
                   |                            |oads/cpu-z/cpu-z_2.15-en.ex
                   |                            |e

--- Comment #3 from Ken Sharp  ---
> mmdevapi: Move the DriverProc implementation to the common code.