Re: [FFmpeg-devel] [PATCH v2] lavu/thread: add support for setting thread name on *bsd and solaris

[Marton Balint <cus@passwd.hu>]

On Wed, 31 Jan 2024, Brad Smith wrote:

> On 2024-01-23 2:44 p.m., Brad Smith wrote:
>>  On 2024-01-16 1:25 a.m., Brad Smith wrote:
>>>  On 2024-01-07 12:55 a.m., Brad Smith wrote:
>>>>  lavu/thread: add support for setting thread name on *bsd and solaris
>>>>
>>>>  FreeBSD/DragonFly/Solaris use pthread_setname_np(). OpenBSD uses
>>>>  pthread_set_name_np().
>>>>
>>>>  Signed-off-by: Brad Smith<brad@comstyle.com>
>>>>  ---
>>>>    configure          | 10 ++++++++++
>>>>    libavutil/thread.h | 14 ++++++++++++--
>>>>    2 files changed, 22 insertions(+), 2 deletions(-)
>>>>
>>>>  diff --git a/configure b/configure
>>>>  index 0b5e83bd20..67660b6292 100755
>>>>  --- a/configure
>>>>  +++ b/configure
>>>>  @@ -2239,6 +2239,7 @@ HEADERS_LIST="
>>>>        opencv2_core_core_c_h
>>>>        OpenGL_gl3_h
>>>>        poll_h
>>>>  +    pthread_np_h
>>>>        sys_param_h
>>>>        sys_resource_h
>>>>        sys_select_h
>>>>  @@ -2341,6 +2342,8 @@ SYSTEM_FUNCS="
>>>>        posix_memalign
>>>>        prctl
>>>>        pthread_cancel
>>>>  +    pthread_set_name_np
>>>>  +    pthread_setname_np
>>>>        sched_getaffinity
>>>>        SecItemImport
>>>>        SetConsoleTextAttribute
>>>>  @@ -6523,6 +6526,7 @@ check_headers malloc.h
>>>>    check_headers mftransform.h
>>>>    check_headers net/udplite.h
>>>>    check_headers poll.h
>>>>  +check_headers pthread_np.h
>>>>    check_headers sys/param.h
>>>>    check_headers sys/resource.h
>>>>    check_headers sys/select.h
>>>>  @@ -6691,6 +6695,12 @@ if ! disabled pthreads && ! enabled w32threads &&
>>>>  ! enabled os2threads; then
>>>>        if enabled pthreads; then
>>>>            check_builtin sem_timedwait semaphore.h "sem_t *s;
>>>>  sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
>>>>            check_func pthread_cancel $pthreads_extralibs
>>>>  +        hdrs=pthread.h
>>>>  +        if enabled pthread_np_h; then
>>>>  +            hdrs="$hdrs pthread_np.h"
>>>>  +        fi
>>>>  +        check_lib pthread_set_name_np "$hdrs" pthread_set_name_np
>>>>  -lpthread
>>>>  +        check_lib pthread_setname_np "$hdrs" pthread_setname_np
>>>>  -lpthread
>>>>        fi
>>>>    fi
>>>>    diff --git a/libavutil/thread.h b/libavutil/thread.h
>>>>  index 2ded498c89..fa74dd2ea7 100644
>>>>  --- a/libavutil/thread.h
>>>>  +++ b/libavutil/thread.h
>>>>  @@ -26,6 +26,8 @@
>>>>      #if HAVE_PRCTL
>>>>    #include <sys/prctl.h>
>>>>  +#elif (HAVE_PTHREAD_SETNAME_NP || HAVE_PTHREAD_SET_NAME_NP) &&
>>>>  HAVE_PTHREAD_NP_H
>>>>  +#include <pthread_np.h>
>>>>    #endif
>>>>      #include "error.h"
>>>>  @@ -213,11 +215,19 @@ static inline int ff_thread_once(char *control,
>>>>  void (*routine)(void))
>>>>      static inline int ff_thread_setname(const char *name)
>>>>    {
>>>>  +    int ret = 0;
>>>>  +
>>>>    #if HAVE_PRCTL
>>>>  -    return AVERROR(prctl(PR_SET_NAME, name));
>>>>  +    ret = AVERROR(prctl(PR_SET_NAME, name));
>>>>  +#elif HAVE_PTHREAD_SETNAME_NP
>>>>  +    ret = AVERROR(pthread_setname_np(pthread_self(), name));
>>>>  +#elif HAVE_PTHREAD_SET_NAME_NP
>>>>  +    pthread_set_name_np(pthread_self(), name);
>>>>  +#else
>>>>  +    ret = AVERROR(ENOSYS);
>>>>    #endif
>>>>    -    return AVERROR(ENOSYS);
>>>>  +    return ret;
>>>>    }
>>>>      #endif /* AVUTIL_THREAD_H */
>>> 
>>>
>>>  ping.
>>
>>  ping.
>
>
> ping.

Will apply.

Thanks,
Marton
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