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Test Your Knowledge in Computers #951
Difficulty: Medium
The first known description of a self-reproducing computer program in science fiction was in a short story written in 1970.
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thr_self(3c) [bsd man page]

thr_self(3C)						   Standard C Library Functions 					      thr_self(3C)

NAME
thr_self - get calling thread's ID SYNOPSIS
cc -mt [ flag... ] file...[ library... ] #include <thread.h> thread_t thr_self(void)); typedef(unsigned int thread_t); DESCRIPTION
thr_self() returns the thread ID of the calling thread. ERRORS
No errors are defined. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
thr_create(3C), attributes(5), standards(5) SunOS 5.10 9 May 1998 thr_self(3C)

Check Out this Related Man Page

thr_kill(3C)															      thr_kill(3C)

NAME
thr_kill - send a signal to a thread SYNOPSIS
cc -mt [ flag... ] file... [ library... ] #include <signal.h> #include <thread.h> int thr_kill(thread_t thread, int sig); The thr_kill() function sends the sig signal to the thread designated by thread. The thread argument must be a member of the same process as the calling thread. The sig argument must be one of the signals listed in signal.h(3HEAD), with the exception of SIGCANCEL being reserved and off limits to thr_kill(). If sig is 0, a validity check is done for the existence of the target thread; no signal is sent. Upon successful completion, thr_kill() returns 0. Otherwise, an error number is returned. In the event of failure, no signal is sent. The thr_kill() function will fail if: EINVAL The sig argument value is not zero and is an invalid or an unsupported signal number. ESRCH No thread was found that corresponded to the thread designated by thread ID. See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |Async-Signal-Safe | +-----------------------------+-----------------------------+ kill(2), sigaction(2), raise(3C), signal.h(3HEAD), thr_self(3C), attributes(5), standards(5) 23 Mar 2005 thr_kill(3C)

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