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_LWP_KILL(2) System Calls Manual _LWP_KILL(2) NAME _lwp_kill - send a signal to a light-weight process LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <lwp.h> int _lwp_kill(lwpid_t lwp, int sig); DESCRIPTION _lwp_kill() sends the signal specified by sig to the light-weight process specified by lwp. If the sig argument is given as 0 (zero), _lwp_kill will test for the existence of the target LWP, but will take no further action. Job control signals and uncatchable signals can not be directed to a specific LWP: if posted with _lwp_kill, they will affect all LWPs in the process. Signals will be posted successfully to suspended LWPs, but will not be handled further until the LWP has been continued. RETURN VALUES The _lwp_kill() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error. ERRORS [EINVAL] sig is not a valid signal number. [ESRCH] No LWP can be found in the current process corresponding to that specified by lwp. SEE ALSO _lwp_continue(2), _lwp_suspend(2), kill(2), sigaction(2), signal(7) HISTORY The _lwp_kill() system call first appeared in NetBSD 5.0. NetBSD 10.99 January 20, 2007 NetBSD 10.99