|THRKILL(2)||System Calls Manual||THRKILL(2)|
thrkill — send
signal to a thread in the same process
tid, int sig,
thrkill() function sends the signal
given by sig to tid, a thread in
the same process as the caller.
thrkill() will only
succeed if tcb is either
or the address of the thread control block (TCB) of the target thread.
sig may be one of the signals specified in
sigaction(2) or it may be 0, in which
case error checking is performed but no signal is actually sent.
If tid is zero then the current thread is targeted.
Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the error.
thrkill() will fail and no signal will be
thrkill() function is specific to
OpenBSD and should not be used in portable
applications. Use pthread_kill(3)
thrkill() system call appeared in
|March 19, 2016||OpenBSD-current|