Send a Signal to a Thread

thr_kill(3C) sends a signal to a thread. For POSIX threads, see pthread_kill Syntax.

thr_kill Syntax

#include <thread.h>
#include <signal.h>
int thr_kill(thread_t target_thread, int sig);

thr_kill Return Values

Upon successful completion, thr_kill() returns 0. When any of the following conditions is detected, thr_kill() fails and returns the corresponding value. When a failure occurs, no signal is sent.

ESRCH

Description:

No thread was found associated with the thread designated by thread ID.

EINVAL

Description:

The sig argument value is not zero. sig is an invalid or unsupported signal number.