Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

System Functions (n - p) pthread_kill_np(2)
To use this function in a 64-bit threaded application that uses the POSIX User Thread Model
library on systems running H06.24 or later RVUs or J06.13 or later RVUs, you must perform all
of the following tasks:
• Include the pthread.h header file in the application.
• Compile the application using the _PUT_MODEL_ feature test macro or equivalent
compiler command option.
• Compile the application using the -Wlp64 compiler command option.
• Link the application to the yputdll library (/G/system/zdllnnn/yputdll).
To use this function in a threaded application that uses the Standard POSIX Threads library on
systems running H06.21 or later RVUs or J06.10 or later RVUs, you must perform all of the fol-
lowing tasks:
• Include the spthread.h header file in the application.
• Compile the application using the _SPT_MODEL_ feature test macro or equivalent
compiler command option.
• Link the application to the zsptdll library (/G/system/zdllnnn/zsptdll).
RETURN VALUES
If an error condition occurs, the pthread_kill_np() function returns an integer value to identify
the type of error. Possible return values are:
0 Successful completion.
[EINVAL] The value of the sig parameter is invalid or specifies an unsupported signal.
[ESRCH] The thread parameter does not specify an existing thread.
RELATED INFORMATION
Functions: pthread_kill(2), pthread_sigmask(2), sigaction(2), spt_alarm(2), spt_sigaction(2),
spt_signal(2), spt_sigpending(2), spt_sigsuspend(2), spt_sigwait(2).
STANDARDS CONFORMANCE
This function is an extension to the XPG4 Version 2 specification and to the following industry
standards:
• IEEE Std 1003.1c-1995, POSIX System Application Program Interface
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