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Test Your Knowledge in Computers #349
Difficulty: Easy
AWK was originally written in 1977 and distributed with Version 7 Unix.
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raise(3) [suse man page]

RAISE(3)						     Linux Programmer's Manual							  RAISE(3)

NAME
raise - send a signal to the caller SYNOPSIS
#include <signal.h> int raise(int sig); DESCRIPTION
The raise() function sends a signal to the calling process or thread. In a single-threaded program it is equivalent to kill(getpid(), sig); In a multithreaded program it is equivalent to pthread_kill(pthread_self(), sig); If the signal causes a handler to be called, raise() will only return after the signal handler has returned. RETURN VALUE
raise() returns 0 on success, and nonzero for failure. CONFORMING TO
C89, C99, POSIX.1-2001. SEE ALSO
getpid(2), kill(2), sigaction(2), signal(2), pthread_kill(3), signal(7) COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU
2008-10-17 RAISE(3)

Check Out this Related Man Page

PTHREAD_KILL(3) 					     Linux Programmer's Manual						   PTHREAD_KILL(3)

NAME
pthread_kill - send a signal to a thread SYNOPSIS
#include <signal.h> int pthread_kill(pthread_t thread, int sig); Compile and link with -pthread. DESCRIPTION
The pthread_kill() function sends the signal sig to thread, another thread in the same process as the caller. The signal is asynchronously directed to thread. If sig is 0, then no signal is sent, but error checking is still performed; this can be used to check for the existence of a thread ID. RETURN VALUE
On success, pthread_kill() returns 0; on error, it returns an error number, and no signal is sent. ERRORS
ESRCH No thread with the ID thread could be found. EINVAL An invalid signal was specified. CONFORMING TO
POSIX.1-2001. NOTES
Signal dispositions are process-wide: if a signal handler is installed, the handler will be invoked in the thread thread, but if the dispo- sition of the signal is "stop", "continue", or "terminate", this action will affect the whole process. SEE ALSO
kill(2) sigaction(2), sigpending(2), pthread_self(3), pthread_sigmask(3), raise(3), pthreads(7), signal(7) COLOPHON
This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. Linux 2009-01-28 PTHREAD_KILL(3)

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