[FFmpeg-devel] [PATCH] avformat/udp: support w32pthreads compat

Ross Nicholson phunkyfish at gmail.com
Mon Mar 2 16:43:58 EET 2020


Thanks!

On Mon, 2 Mar 2020 at 14:16, Andriy Gelman <andriy.gelman at gmail.com> wrote:

> On Mon, 02. Mar 13:38, phunkyfish wrote:
> > ---
> >  compat/w32pthreads.h | 10 ++++++++++
> >  libavformat/udp.c    |  8 +++++++-
> >  2 files changed, 17 insertions(+), 1 deletion(-)
> >
> > diff --git a/compat/w32pthreads.h b/compat/w32pthreads.h
> > index 7df33b7da4..64cd40cda4 100644
> > --- a/compat/w32pthreads.h
> > +++ b/compat/w32pthreads.h
> > @@ -63,6 +63,11 @@ typedef CONDITION_VARIABLE pthread_cond_t;
> >  #define InitializeCriticalSection(x) InitializeCriticalSectionEx(x, 0,
> 0)
> >  #define WaitForSingleObject(a, b) WaitForSingleObjectEx(a, b, FALSE)
> >
> > +#undef PTHREAD_CANCEL_ENABLE
> > +#undef PTHREAD_CANCEL_DISABLE
> > +#define PTHREAD_CANCEL_ENABLE 1
> > +#define PTHREAD_CANCEL_DISABLE 0
> > +
> >  static av_unused unsigned __stdcall attribute_align_arg
> win32thread_worker(void *arg)
> >  {
> >      pthread_t *h = (pthread_t*)arg;
> > @@ -180,4 +185,9 @@ static inline int pthread_cond_signal(pthread_cond_t
> *cond)
> >      return 0;
> >  }
> >
> > +static inline int pthread_setcancelstate(int state, int *oldstate)
> > +{
> > +    return 0;
> > +}
> > +
> >  #endif /* COMPAT_W32PTHREADS_H */
> > diff --git a/libavformat/udp.c b/libavformat/udp.c
> > index 23c3773c64..4f42b026cd 100644
> > --- a/libavformat/udp.c
> > +++ b/libavformat/udp.c
> > @@ -61,10 +61,16 @@
> >  #define IPPROTO_UDPLITE                                  136
> >  #endif
> >
> > -#if HAVE_PTHREAD_CANCEL
>
> > +#if HAVE_PTHREAD_CANCEL && !defined(HAVE_W32THREADS)
> >  #include <pthread.h>
> >  #endif
>
> In my config.h HAVE_W32THREADS is defined, but it's set to 0
> so it ends up not including the pthread.h header
>
> >
> > +#if HAVE_W32THREADS
> > +#include "compat/w32pthreads.h"
> > +#undef HAVE_PTHREAD_CANCEL
> > +#define HAVE_PTHREAD_CANCEL 1
> > +#endif
> > +
> >  #ifndef IPV6_ADD_MEMBERSHIP
> >  #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
> >  #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
>
> --
> Andriy
>


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