raise(3)                                                       raise(3)

  raise()

  NAME

    raise() - send a signal to the current thread or process

  SYNOPSIS

    #include 

    int raise (int signum)

  DESCRIPTION

    The raise(3) function sends the signal signum to the current thread or
    process.

    This is equivalent to

    pthread_kill(pthread_self(), signum)

  RETURN VALUES

    Upon successful completion, a value of 0 is returned. Otherwise, a value
    of -1 is returned and the global variable errno is set to indicate the
    error.

  ERRORS

    The raise(3) function may fail and set errno for any of the errors
    specified for the library functions pthread_self(2) and pthread_kill(2).

  SEE ALSO

    kill(2)

  USAGE NOTES

    The raise function is thread safe.

    The raise function is async-signal safe.