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

[Brad Smith <brad-at-comstyle.com@ffmpeg.org>]

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.

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