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Version 6.7

    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 1.7 2025/08/21 15:43:00 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 - 2024
   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: #ifdef __cplusplus
   66: extern "C" {
   67: #endif
   68: 
   69: /*
   70:  * e_popen() - ELWIX replacement of standard popen
   71:  *
   72:  * @command = command
   73:  * @type = type
   74:  * @ppid = return pid of child program
   75:  * 	If value of *ppid is -1 when invoke routine then child will be session leader
   76:  * return: NULL error or !=NULL open program
   77:  */
   78: #ifdef POPEN_STREAM
   79: FILE *e_popen(const char *command, const char *type, pid_t *ppid);
   80: #else
   81: int e_popen(const char *command, const char *type, pid_t *ppid);
   82: #endif
   83: /*
   84:  * e_popen2() - ELWIX replacement of standard popen with post close of chosen handles
   85:  *
   86:  * @command = command
   87:  * @type = type
   88:  * @ppid = return pid of child program
   89:  * 	If value of *ppid is -1 when invoke routine then child will be session leader
   90:  * @fds = file descriptor array for close when fork
   91:  * @fdslen = fds number of descriptors
   92:  * return: NULL error or !=NULL open program
   93:  */
   94: #ifdef POPEN_STREAM
   95: FILE *e_popen2(const char *command, const char *type, pid_t *ppid, int *fds, size_t fdslen);
   96: #else
   97: int e_popen2(const char *command, const char *type, pid_t *ppid, int *fds, size_t fdslen);
   98: #endif
   99: /*
  100:  * e_pclose() - ELWIX replacement of standard pclose
  101:  *
  102:  * @iop = popen handle
  103:  * return: -1 error or !=-1 pid status
  104:  */
  105: #ifdef POPEN_STREAM
  106: int e_pclose(FILE *iop);
  107: #else
  108: int e_pclose(int iop);
  109: #endif
  110: 
  111: /*
  112:  * pio_pgetpid() - Get tagPIOPID structure from file handle
  113:  *
  114:  * @iop = popen handle
  115:  * return: NULL error or !=NULL tagPIOPID structure
  116:  */
  117: #ifdef POPEN_STREAM
  118: struct tagPIOPID *pio_pgetpid(FILE *iop);
  119: #else
  120: struct tagPIOPID *pio_pgetpid(int iop);
  121: #endif
  122: /*
  123:  * pio_pchkpid() - Check exit status of child programs
  124:  *
  125:  * @pids = return tagPIOPID structures of exited programs, 
  126:  * 		if !=NULL must call array_Destroy()
  127:  * return: -1 error or >-1 exited programs
  128:  */
  129: int pio_pchkpid(array_t ** __restrict pids);
  130: 
  131: #ifdef __cplusplus
  132: }
  133: #endif
  134: 
  135: #endif