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33 .\" $DragonFly: src/lib/libc/sys/lwp_kill.2,v 1.1 2007/03/12 21:07:42 corecode Exp $
40 .Nd send signal to a lwp
47 .Fn lwp_kill "pid_t pid" "lwpid_t tid" "int sig"
51 function is used to send the signal
53 to the lwp specified by
59 is set to -1, the current process will be used.
60 Permission checking and signal behavior is exactly like it is in
65 function returns the value 0 if successful;
66 otherwise the value -1 is returned and the global variable
68 is set to indicate the error.
71 will fail and no signal will be sent if:
75 is not a valid signal number.
77 No lwp can be found corresponding to that specified by
82 The sending process is not the super-user and its effective
83 user id does not match the effective user-id of the receiving process.
92 function first appeared in