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Annotation of libelwix/inc/elwix/apio.h, revision 1.1.2.5

1.1.2.3   misho       1: /*************************************************************************
                      2: * (C) 2013 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
                      3: *  by Michael Pounov <misho@elwix.org>
                      4: *
                      5: * $Author: misho $
1.1.2.5 ! misho       6: * $Id: apio.h,v 1.1.2.4 2013/12/05 15:13:57 misho Exp $
1.1.2.3   misho       7: *
                      8: **************************************************************************
                      9: The ELWIX and AITNET software is distributed under the following
                     10: terms:
                     11: 
                     12: All of the documentation and software included in the ELWIX and AITNET
                     13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
                     14: 
                     15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
                     16:        by Michael Pounov <misho@elwix.org>.  All rights reserved.
                     17: 
                     18: Redistribution and use in source and binary forms, with or without
                     19: modification, are permitted provided that the following conditions
                     20: are met:
                     21: 1. Redistributions of source code must retain the above copyright
                     22:    notice, this list of conditions and the following disclaimer.
                     23: 2. Redistributions in binary form must reproduce the above copyright
                     24:    notice, this list of conditions and the following disclaimer in the
                     25:    documentation and/or other materials provided with the distribution.
                     26: 3. All advertising materials mentioning features or use of this software
                     27:    must display the following acknowledgement:
                     28: This product includes software developed by Michael Pounov <misho@elwix.org>
                     29: ELWIX - Embedded LightWeight unIX and its contributors.
                     30: 4. Neither the name of AITNET nor the names of its contributors
                     31:    may be used to endorse or promote products derived from this software
                     32:    without specific prior written permission.
                     33: 
                     34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
                     35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     44: SUCH DAMAGE.
                     45: */
1.1.2.1   misho      46: #ifndef __APIO_H
                     47: #define __APIO_H
                     48: 
                     49: 
1.1.2.2   misho      50: struct tagPIOPID {
                     51:        FILE                    *fp;
                     52:        pid_t                   pid;
                     53:        int                     stat;
                     54: 
                     55:        SLIST_ENTRY(tagPIOPID)  next;
                     56: };
                     57: typedef SLIST_HEAD(, tagPIOPID) pio_pid_t;
                     58: 
                     59: 
                     60: extern pio_pid_t pio_pidlist;
                     61: 
                     62: 
                     63: /*
                     64:  * e_popen() - ELWIX replacement of standard popen
                     65:  *
                     66:  * @command = command
                     67:  * @type = type
                     68:  * @ppid = return pid of child program
                     69:  * return: NULL error or !=NULL open program
                     70:  */
                     71: FILE *e_popen(const char *command, const char *type, pid_t *ppid);
                     72: /*
                     73:  * e_pclose() - ELWIX replacement of standard pclose
                     74:  *
                     75:  * @iop = popen handle
                     76:  * return: -1 error or !=-1 pid status
                     77:  */
                     78: int e_pclose(FILE *iop);
                     79: 
1.1.2.4   misho      80: /*
                     81:  * pio_pgetpid() - Get tagPIOPID structure from file handle
                     82:  *
                     83:  * @iop = popen handle
                     84:  * return: NULL error or !=NULL tagPIOPID structure
                     85:  */
                     86: struct tagPIOPID *pio_pgetpid(FILE * __restrict iop);
1.1.2.5 ! misho      87: /*
        !            88:  * pio_pchkpid() - Check exit status of child programs
        !            89:  *
        !            90:  * @pids = return tagPIOPID structures of exited programs, 
        !            91:  *             if !=NULL must call array_Destroy()
        !            92:  * return: -1 error or >-1 exited programs
        !            93:  */
        !            94: int pio_pchkpid(array_t ** __restrict pids);
1.1.2.4   misho      95: 
1.1.2.1   misho      96: 
                     97: #endif