pthread_setname_np was not declared in this scope

[navinagaraj]

While building i am facing the issue i added the with " -lpthread " option also but build failed. I added the web page related to small C library for embedded systems is that ok ?

web page Link:

https://patchwork.ozlabs.org/project/uclibc-ng/patch/20161110012740.82DFF10162@helium.openadk.org/

platform Info:

Kernel Architecture   -> arm  (Linux)           
Kernel Version        -> 4.19 
gcc                   -> 5.5.0          
uClibc                -> 0.9.33.2 

Error:

In file included from src/Thread.cpp:32:0:
src/Thread_POSIX.cpp: In function 'void {anonymous}::setThreadName(pthread_t, const string&)':
src/Thread_POSIX.cpp:71:51: error: 'pthread_setname_np' was not declared in this scope
  if (pthread_setname_np(thread, threadName.c_str()) == ERANGE && threadName.size() > 15)

Previous issue:

#3832
#4042

[aleks-f]

These functions are nonstandard GNU extensions.

[aleks-f]

this is not available on GLIBC<2.12 and also not available on many platforms, so it would probably be best solved by using prctl(2) with PR_SET_NAME/PR_GET_NAME