Man

Command Section
PTHREAD_KILL(3)        FreeBSD Library Functions Manual        PTHREAD_KILL(3)

NAME
     pthread_kill - send a signal to a specified thread

LIBRARY
     POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS
     #include <pthread.h>
     #include <signal.h>

     int
     pthread_kill(pthread_t thread, int sig);

DESCRIPTION
     The pthread_kill() function sends a signal, specified by sig, to a
     thread, specified by thread.  If sig is 0, error checking is performed,
     but no signal is actually sent.

RETURN VALUES
     If successful, pthread_kill() returns 0.  Otherwise, an error number is
     returned.

ERRORS
     The pthread_kill() function will fail if:

     [ESRCH]            thread is an invalid thread ID.

     [EINVAL]           sig is an invalid or unsupported signal number.

SEE ALSO
     kill(2), pthread_self(3), raise(3)

STANDARDS
     The pthread_kill() function conforms to ISO/IEC 9945-1:1996 (``POSIX.1'')

FreeBSD 11.1-RELEASE-p4         April 27, 2000         FreeBSD 11.1-RELEASE-p4
Command Section