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Full Discussion: Repeat a command for one sec
Top Forums Shell Programming and Scripting Repeat a command for one sec Post 302819129 by Skrynesaver on Monday 10th of June 2013 11:22:57 AM
Old 06-10-2013
Fork a thread and kill the thread after sleeping for 1 sec in the parent, in the provided example the command produces measurable contents that allow the number of runs to be counted.

This sounds to homework-esque to provide implementation details.
 

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pthread_kill(3T)														  pthread_kill(3T)

NAME
pthread_kill() - send a signal to a thread SYNOPSIS
PARAMETERS
thread Thread to which the signal is to be delivered. sig Signal to be delivered to thread. DESCRIPTION
The function is used to request that a signal be delivered to thread. The signal is asynchronously directed to thread in the calling process. The signal is handled in the context of the given thread; if the signal action results in the thread terminating or stopping, this action is applied to the whole process. If sig is zero, error checking is performed but a signal is not sent. RETURN VALUE
Upon successful completion, returns zero. Otherwise, an error number is returned to indicate the error (the variable is not set). ERRORS
If any of the following occur, the function returns the corresponding error number: [EINVAL] sig is an invalid or unsupported signal number. [ESRCH] No thread could be found corresponding to thread. AUTHOR
was derived from the IEEE POSIX P1003.1c standard. SEE ALSO
kill(2), sigaction(2), pthread_self(3T), raise(2). STANDARDS CONFORMANCE
Pthread Library pthread_kill(3T)
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