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ver 4.25

    1: /*************************************************************************
    2: * (C) 2013 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
    3: *  by Michael Pounov <misho@elwix.org>
    4: *
    5: * $Author: misho $
    6: * $Id: apio.h,v 1.6 2020/06/19 23:07:20 misho Exp $
    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 - 2020
   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: */
   46: #ifndef __APIO_H
   47: #define __APIO_H
   48: 
   49: 
   50: struct tagPIOPID {
   51: 	union {
   52: 		FILE		*fp;
   53: 		int		fd;
   54: 	} f;
   55: 	pid_t			pid;
   56: 	int			stat;
   57: 
   58: 	SLIST_ENTRY(tagPIOPID)	next;
   59: };
   60: typedef SLIST_HEAD(, tagPIOPID) pio_pid_t;
   61: 
   62: 
   63: extern pio_pid_t pio_pidlist;
   64: 
   65: 
   66: /*
   67:  * e_popen() - ELWIX replacement of standard popen
   68:  *
   69:  * @command = command
   70:  * @type = type
   71:  * @ppid = return pid of child program
   72:  * 	If value of *ppid is -1 when invoke routine then child will be session leader
   73:  * return: NULL error or !=NULL open program
   74:  */
   75: #ifdef POPEN_STREAM
   76: FILE *e_popen(const char *command, const char *type, pid_t *ppid);
   77: #else
   78: int e_popen(const char *command, const char *type, pid_t *ppid);
   79: #endif
   80: /*
   81:  * e_popen2() - ELWIX replacement of standard popen with post close of chosen handles
   82:  *
   83:  * @command = command
   84:  * @type = type
   85:  * @ppid = return pid of child program
   86:  * 	If value of *ppid is -1 when invoke routine then child will be session leader
   87:  * @fds = file descriptor array for close when fork
   88:  * @fdslen = fds number of descriptors
   89:  * return: NULL error or !=NULL open program
   90:  */
   91: #ifdef POPEN_STREAM
   92: FILE *e_popen2(const char *command, const char *type, pid_t *ppid, int *fds, size_t fdslen);
   93: #else
   94: int e_popen2(const char *command, const char *type, pid_t *ppid, int *fds, size_t fdslen);
   95: #endif
   96: /*
   97:  * e_pclose() - ELWIX replacement of standard pclose
   98:  *
   99:  * @iop = popen handle
  100:  * return: -1 error or !=-1 pid status
  101:  */
  102: #ifdef POPEN_STREAM
  103: int e_pclose(FILE *iop);
  104: #else
  105: int e_pclose(int iop);
  106: #endif
  107: 
  108: /*
  109:  * pio_pgetpid() - Get tagPIOPID structure from file handle
  110:  *
  111:  * @iop = popen handle
  112:  * return: NULL error or !=NULL tagPIOPID structure
  113:  */
  114: #ifdef POPEN_STREAM
  115: struct tagPIOPID *pio_pgetpid(FILE *iop);
  116: #else
  117: struct tagPIOPID *pio_pgetpid(int iop);
  118: #endif
  119: /*
  120:  * pio_pchkpid() - Check exit status of child programs
  121:  *
  122:  * @pids = return tagPIOPID structures of exited programs, 
  123:  * 		if !=NULL must call array_Destroy()
  124:  * return: -1 error or >-1 exited programs
  125:  */
  126: int pio_pchkpid(array_t ** __restrict pids);
  127: 
  128: 
  129: #endif