Linux and UNIX Man Pages

Test Your Knowledge in Computers #946
Difficulty: Medium
A ping flood attack is a simple DOS attack where the attacker overwhelms the victim with TCP echo request packets.
True or False?
Linux & Unix Commands - Search Man Pages

pthread_cancel(3C)														pthread_cancel(3C)

NAME
pthread_cancel - cancel execution of a thread SYNOPSIS
cc -mt [ flag... ] file... -lpthread [ library... ] #include <pthread.h> int pthread_cancel(pthread_t target_thread); The pthread_cancel() function requests that target_thread be canceled. By default, cancellation is deferred until target_thread reaches a cancellation point. See cancellation(5). Cancellation cleanup handlers for target_thread are called when the cancellation is acted on. Upon return of the last cancellation cleanup handler, the thread-specific data destructor functions are called for target_thread. target_thread is terminated when the last destructor function returns. The cancellation processing in target_thread runs asynchronously with respect to the calling thread returning from pthread_cancel(). If successful, the pthread_cancel() function returns 0. Otherwise, an error number is returned to indicate the error. The pthread_cancel() function may fail if: ESRCH No thread was found with an ID corresponding to that specified by the given thread ID, target_thread. See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ pthread_cleanup_pop(3C), pthread_cleanup_push(3C), pthread_cond_wait(3C), pthread_cond_timedwait(3C), pthread_exit(3C), pthread_join(3C), pthread_setcancelstate(3C), pthread_setcanceltype(3C), pthread_testcancel(3C), setjmp(3C), attributes(5), cancellation(5), condition(5), standards(5) See cancellation(5) for a discussion of cancellation concepts. 23 Mar 2005 pthread_cancel(3C)

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