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

System Functions (n - p) pthread_kill(2)
[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_sigmask(2), sigaction(2), spt_alarm(2), spt_sigaction(2), spt_signal(2),
spt_sigpending(2), spt_sigsuspend(2), spt_sigwait(2). Files: signal(4).
STANDARDS CONFORMANCE
This function is an extension to the XPG4 Version 2 specification.
Interfaces documented on this reference page conform to the following industry standards:
IEEE Std 1003.1-2004, POSIX System Application Program Interface
The use of the header file spthread.h is an HP exception to the POSIX standard.
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