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_EXIT(2)		   Linux Programmers Manual		     _EXIT(2)

       _exit, _Exit - terminate the calling process


       void _exit(int status);


       void _Exit(int status);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       _Exit(): _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE; or cc -std=c99

       The function _exit() terminates the calling process "immediately".  Any
       open file descriptors belonging to the process are closed; any children
       of the process are inherited by process 1, init, and the processs par
       ent is sent a SIGCHLD signal.

       The value status is returned to the parent  process  as	the  processs
       exit  status,  and  can be collected using one of the wait(2) family of

       The function _Exit() is equivalent to _exit().

       These functions do not return.

       SVr4, POSIX.1-2001, 4.3BSD.  The function  _Exit()  was	introduced  by

       For  a  discussion  on the effects of an exit, the transmission of exit
       status, zombie processes, signals sent, etc., see exit(3).

       The function _exit() is like exit(3), but does not call	any  functions
       registered  with  atexit(3) or on_exit(3).  Whether it flushes standard
       I/O buffers and removes temporary  files  created  with	tmpfile(3)  is
       implementation-dependent.   On  the other hand, _exit() does close open
       file descriptors, and this may cause  an  unknown  delay,  waiting  for
       pending	output to finish.  If the delay is undesired, it may be useful
       to call functions like tcflush(3) before calling _exit().  Whether  any
       pending	I/O  is  canceled,  and which pending I/O may be canceled upon
       _exit(), is implementation-dependent.

       execve(2), exit_group(2), fork(2), kill(2),  wait(2),  wait4(2),  wait
       pid(2), atexit(3), exit(3), on_exit(3), termios(3)

       This  page  is  part of release 3.05 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				  2007-07-26			      _EXIT(2)

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