examples/TestMasterMicroMod/getopt.h
author Robert Lehmann <robert.lehmann@sitec-systems.de>
Tue, 28 Jul 2015 16:36:55 +0200
changeset 793 72e9e1064432
parent 166 b6fbc1c59a44
permissions -rw-r--r--
timers_unix: Fix termination problem of WaitReceiveTaskEnd

The function pthread_kill sends the Signal thread and to the own process.
If you use this construct than the application which calls uses the
canfestival api will terminate at the call of canClose. To avoid that
use pthread_cancel instead of pthread_kill. To use the pthread_cancel call
you need to set the cancel ability in the thread function. That means
you need to call pthread_setcancelstate and pthread_setcanceltype.
For the termination of the thread at any time it is important to set the
cancel type to PTHREAD_CANCEL_ASYNCHRONOUS.
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/* from http://www.pwilson.net/getopt.html */
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/* getopt.h */
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/* Declarations for getopt.
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   Copyright (C) 1989-1994, 1996-1999, 2001 Free Software 
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   Foundation, Inc. This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute 
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   it and/or modify it under the terms of the GNU Lesser 
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   General Public License as published by the Free Software 
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   Foundation; either version 2.1 of the License, or 
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   (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will 
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   be useful, but WITHOUT ANY WARRANTY; without even the 
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   implied warranty of MERCHANTABILITY or FITNESS FOR A 
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   PARTICULAR PURPOSE.  See the GNU Lesser General Public 
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   License for more details.
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   You should have received a copy of the GNU Lesser General 
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   Public License along with the GNU C Library; if not, write 
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   to the Free Software Foundation, Inc., 59 Temple Place,
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   Suite 330, Boston, MA 02111-1307 USA.  */
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#ifndef _GETOPT_H
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#ifndef __need_getopt
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# define _GETOPT_H 1
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#endif
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/* If __GNU_LIBRARY__ is not already defined, either we are being used
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   standalone, or this is the first header included in the source file.
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   If we are being used with glibc, we need to include <features.h>, but
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   that does not exist if we are standalone.  So: if __GNU_LIBRARY__ is
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   not defined, include <ctype.h>, which will pull in <features.h> for us
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   if it's from glibc.  (Why ctype.h?  It's guaranteed to exist and it
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   doesn't flood the namespace with stuff the way some other headers do.)  */
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#if !defined __GNU_LIBRARY__
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# include <ctype.h>
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#endif
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#ifdef  __cplusplus
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extern "C" {
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#endif
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/* For communication from `getopt' to the caller.
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   When `getopt' finds an option that takes an argument,
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   the argument value is returned here.
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   Also, when `ordering' is RETURN_IN_ORDER,
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   each non-option ARGV-element is returned here.  */
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extern char *optarg;
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/* Index in ARGV of the next element to be scanned.
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   This is used for communication to and from the caller
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   and for communication between successive calls to `getopt'.
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   On entry to `getopt', zero means this is the first call; initialize.
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   When `getopt' returns -1, this is the index of the first of the
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   non-option elements that the caller should itself scan.
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   Otherwise, `optind' communicates from one call to the next
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   how much of ARGV has been scanned so far.  */
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extern int optind;
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/* Callers store zero here to inhibit the error message `getopt' prints
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   for unrecognized options.  */
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extern int opterr;
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/* Set to an option character which was unrecognized.  */
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extern int optopt;
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#ifndef __need_getopt
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/* Describe the long-named options requested by the application.
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   The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
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   of `struct option' terminated by an element containing a name which is
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   zero.
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   The field `has_arg' is:
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   no_argument          (or 0) if the option does not take an argument,
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   required_argument    (or 1) if the option requires an argument,
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   optional_argument    (or 2) if the option takes an optional argument.
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   If the field `flag' is not NULL, it points to a variable that is set
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   to the value given in the field `val' when the option is found, but
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   left unchanged if the option is not found.
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   To have a long-named option do something other than set an `int' to
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   a compiled-in constant, such as set a value from `optarg', set the
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   option's `flag' field to zero and its `val' field to a nonzero
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   value (the equivalent single-letter option character, if there is
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   one).  For long options that have a zero `flag' field, `getopt'
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   returns the contents of the `val' field.  */
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struct option
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{
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# if (defined __STDC__ && __STDC__) || defined __cplusplus
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  const char *name;
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# else
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  char *name;
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# endif
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  /* has_arg can't be an enum because some compilers complain about
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     type mismatches in all the code that assumes it is an int.  */
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  int has_arg;
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  int *flag;
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  int val;
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};
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/* Names for the values of the `has_arg' field of `struct option'.  */
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# define no_argument            0
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# define required_argument      1
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# define optional_argument      2
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#endif  /* need getopt */
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/* Get definitions and prototypes for functions to process the
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   arguments in ARGV (ARGC of them, minus the program name) for
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   options given in OPTS.
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   Return the option character from OPTS just read.  Return -1 when
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   there are no more options.  For unrecognized options, or options
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   missing arguments, `optopt' is set to the option letter, and '?' is
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   returned.
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   The OPTS string is a list of characters which are recognized option
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   letters, optionally followed by colons, specifying that that letter
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   takes an argument, to be placed in `optarg'.
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   If a letter in OPTS is followed by two colons, its argument is
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   optional.  This behavior is specific to the GNU `getopt'.
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   The argument `--' causes premature termination of argument
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   scanning, explicitly telling `getopt' that there are no more
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   options.
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   If OPTS begins with `--', then non-option arguments are treated as
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   arguments to the option '\0'.  This behavior is specific to the GNU
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   `getopt'.  */
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#if (defined __STDC__ && __STDC__) || defined __cplusplus
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# ifdef __GNU_LIBRARY__
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/* Many other libraries have conflicting prototypes for getopt, with
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   differences in the consts, in stdlib.h.  To avoid compilation
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   errors, only prototype getopt for the GNU C library.  */
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extern int getopt (int ___argc, char *const *___argv, const char *__shortopts);
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# else /* not __GNU_LIBRARY__ */
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extern int getopt ();
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# endif /* __GNU_LIBRARY__ */
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# ifndef __need_getopt
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extern int getopt_long (int ___argc, char *const *___argv,
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                        const char *__shortopts,
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                        const struct option *__longopts, int *__longind);
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extern int getopt_long_only (int ___argc, char *const *___argv,
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                             const char *__shortopts,
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                             const struct option *__longopts, int *__longind);
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/* Internal only.  Users should not call this directly.  */
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extern int _getopt_internal (int ___argc, char *const *___argv,
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                             const char *__shortopts,
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                             const struct option *__longopts, int *__longind,
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                             int __long_only);
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# endif
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#else /* not __STDC__ */
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extern int getopt ();
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# ifndef __need_getopt
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extern int getopt_long ();
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extern int getopt_long_only ();
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extern int _getopt_internal ();
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# endif
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#endif /* __STDC__ */
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#ifdef  __cplusplus
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}
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#endif
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/* Make sure we later can get all the definitions and declarations.  */
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#undef __need_getopt
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#endif /* getopt.h */
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