--- libelwix/inc/elwix/apio.h	2013/12/05 15:13:57	1.1.2.4
+++ libelwix/inc/elwix/apio.h	2020/06/19 23:07:20	1.6
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: apio.h,v 1.1.2.4 2013/12/05 15:13:57 misho Exp $
+* $Id: apio.h,v 1.6 2020/06/19 23:07:20 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -12,7 +12,7 @@ terms:
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
-Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
+Copyright 2004 - 2020
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -48,7 +48,10 @@ SUCH DAMAGE.
 
 
 struct tagPIOPID {
-	FILE			*fp;
+	union {
+		FILE		*fp;
+		int		fd;
+	} f;
 	pid_t			pid;
 	int			stat;
 
@@ -66,16 +69,41 @@ extern pio_pid_t pio_pidlist;
  * @command = command
  * @type = type
  * @ppid = return pid of child program
+ * 	If value of *ppid is -1 when invoke routine then child will be session leader
  * return: NULL error or !=NULL open program
  */
+#ifdef POPEN_STREAM
 FILE *e_popen(const char *command, const char *type, pid_t *ppid);
+#else
+int e_popen(const char *command, const char *type, pid_t *ppid);
+#endif
 /*
+ * e_popen2() - ELWIX replacement of standard popen with post close of chosen handles
+ *
+ * @command = command
+ * @type = type
+ * @ppid = return pid of child program
+ * 	If value of *ppid is -1 when invoke routine then child will be session leader
+ * @fds = file descriptor array for close when fork
+ * @fdslen = fds number of descriptors
+ * return: NULL error or !=NULL open program
+ */
+#ifdef POPEN_STREAM
+FILE *e_popen2(const char *command, const char *type, pid_t *ppid, int *fds, size_t fdslen);
+#else
+int e_popen2(const char *command, const char *type, pid_t *ppid, int *fds, size_t fdslen);
+#endif
+/*
  * e_pclose() - ELWIX replacement of standard pclose
  *
  * @iop = popen handle
  * return: -1 error or !=-1 pid status
  */
+#ifdef POPEN_STREAM
 int e_pclose(FILE *iop);
+#else
+int e_pclose(int iop);
+#endif
 
 /*
  * pio_pgetpid() - Get tagPIOPID structure from file handle
@@ -83,7 +111,19 @@ int e_pclose(FILE *iop);
  * @iop = popen handle
  * return: NULL error or !=NULL tagPIOPID structure
  */
-struct tagPIOPID *pio_pgetpid(FILE * __restrict iop);
+#ifdef POPEN_STREAM
+struct tagPIOPID *pio_pgetpid(FILE *iop);
+#else
+struct tagPIOPID *pio_pgetpid(int iop);
+#endif
+/*
+ * pio_pchkpid() - Check exit status of child programs
+ *
+ * @pids = return tagPIOPID structures of exited programs, 
+ * 		if !=NULL must call array_Destroy()
+ * return: -1 error or >-1 exited programs
+ */
+int pio_pchkpid(array_t ** __restrict pids);
 
 
 #endif