Added target support for Apple's iOS devices.

Tom Pelaia II and Mark Engbretson contributed the build configuration
and OS-dependent files, I modified the build config to bring it up to
R3.14.12 standards and added the Release Notes.

src/libCom/osi/os/iOS/epicsMath.h

@@ -0,0 +1,27 @@
+/*************************************************************************\
+* Copyright (c) 2010 UChicago Argonne LLC, as Operator of Argonne
+*     National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution. 
+\*************************************************************************/
+
+#ifndef epicsMathh
+#define epicsMathh
+
+#include <math.h>
+#include <shareLib.h>
+
+#define finite(x) isfinite(x)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+epicsShareExtern float epicsNAN;
+epicsShareExtern float epicsINF;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* epicsMathh */

src/libCom/osi/os/iOS/osdEnv.c

@@ -0,0 +1,78 @@
+/*************************************************************************\
+* Copyright (c) 2002 The University of Saskatchewan
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution. 
+\*************************************************************************/
+
+/* osdEnv.c */
+/*
+ * $Id$
+ *
+ * Author: Eric Norum
+ *   Date: May 7, 2001
+ *
+ * Routines to modify/display environment variables and EPICS parameters
+ *
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+
+#define epicsExportSharedSymbols
+#include <epicsStdioRedirect.h>
+#include <errlog.h>
+#include <cantProceed.h>
+#include <envDefs.h>
+#include <osiUnistd.h>
+#include "epicsFindSymbol.h"
+
+
+/*
+ * Set the value of an environment variable
+ * Leaks memory, but the assumption is that this routine won't be
+ * called often enough for the leak to be a problem.
+ */
+epicsShareFunc void epicsShareAPI epicsEnvSet (const char *name, const char *value)
+{
+    char *cp;
+
+	cp = mallocMustSucceed (strlen (name) + strlen (value) + 2, "epicsEnvSet");
+	strcpy (cp, name);
+	strcat (cp, "=");
+	strcat (cp, value);
+	if (putenv (cp) < 0) {
+		errPrintf(
+                -1L,
+                __FILE__,
+                __LINE__,
+                "Failed to set environment parameter \"%s\" to \"%s\": %s\n",
+                name,
+                value,
+                strerror (errno));
+        free (cp);
+	}
+}
+
+/*
+ * Show the value of the specified, or all, environment variables
+ */
+epicsShareFunc void epicsShareAPI epicsEnvShow (const char *name)
+{
+    if (name == NULL) {
+        extern char **environ;
+        char **sp;
+
+        for (sp = environ ; (sp != NULL) && (*sp != NULL) ; sp++)
+            printf ("%s\n", *sp);
+    }
+    else {
+        const char *cp = getenv (name);
+        if (cp == NULL)
+            printf ("%s is not an environment variable.\n", name);
+        else
+            printf ("%s=%s\n", name, cp);
+    }
+}

src/libCom/osi/os/iOS/osdSock.h

@@ -0,0 +1,82 @@
+/*************************************************************************\
+* Copyright (c) 2002 The University of Saskatchewan
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
+/*
+ * $Id$
+ *
+ * Author: Eric Norum
+ */
+
+#ifndef osdSockH
+#define osdSockH
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/param.h> /* for MAXHOSTNAMELEN */
+#include <sys/time.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+/*#include <sys/filio.h>
+#include <sys/sockio.h>*/
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <netdb.h>
+#include <unistd.h> /* close() and others */
+
+
+#ifdef __cplusplus
+}
+#endif
+ 
+typedef int                     SOCKET;
+#define INVALID_SOCKET          (-1)
+#define SOCKERRNO               errno
+#define socket_ioctl(A,B,C)     ioctl(A,B,C)
+typedef int osiSockIoctl_t;
+typedef socklen_t osiSocklen_t;
+
+#define FD_IN_FDSET(FD) ((FD)<FD_SETSIZE)
+
+#define SOCK_EWOULDBLOCK EWOULDBLOCK
+#define SOCK_ENOBUFS ENOBUFS
+#define SOCK_ECONNRESET ECONNRESET
+#define SOCK_ETIMEDOUT ETIMEDOUT
+#define SOCK_EADDRINUSE EADDRINUSE
+#define SOCK_ECONNREFUSED ECONNREFUSED
+#define SOCK_ECONNABORTED ECONNABORTED
+#define SOCK_EINPROGRESS EINPROGRESS
+#define SOCK_EISCONN EISCONN
+#define SOCK_EALREADY EALREADY
+#define SOCK_EINVAL EINVAL
+#define SOCK_EINTR EINTR
+#define SOCK_EPIPE EPIPE
+#define SOCK_EMFILE EMFILE
+#define SOCK_SHUTDOWN ESHUTDOWN
+#define SOCK_ENOTSOCK ENOTSOCK
+#define SOCK_EBADF EBADF
+
+#ifndef SHUT_RD
+#define SHUT_RD 0
+#endif
+
+#ifndef SHUT_WR
+#define SHUT_WR 1
+#endif
+
+#ifndef SHUT_RDWR
+#define SHUT_RDWR 2
+#endif
+
+#define ifreq_size(pifreq) ((pifreq)->ifr_addr.sa_len + sizeof((pifreq)->ifr_name))
+
+#endif /*osdSockH*/

src/libCom/osi/os/iOS/osdSockAddrReuse.cpp

@@ -0,0 +1,48 @@
+/*************************************************************************\
+* Copyright (c) 2010 UChicago Argonne LLC, as Operator of Argonne
+*     National Laboratory.
+* Copyright (c) 2002 The Regents of the University of California, as
+*     Operator of Los Alamos National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
+/*
+ * $Id$
+ * Author: Jeff Hill
+ */
+
+#define epicsExportSharedSymbols
+#include "osiSock.h"
+#include "errlog.h"
+
+epicsShareFunc void epicsShareAPI 
+    epicsSocketEnableAddressReuseDuringTimeWaitState ( SOCKET s )
+{
+    int yes = true;
+    int status;
+    status = setsockopt ( s, SOL_SOCKET, SO_REUSEADDR,
+        (char *) & yes, sizeof ( yes ) );
+    if ( status < 0 ) {
+        errlogPrintf (
+            "epicsSocketEnablePortUseForDatagramFanout: "
+            "unable to set SO_REUSEADDR?\n");
+    }
+}
+
+/*
+ * SO_REUSEPORT is not in POSIX
+ */
+epicsShareFunc void epicsShareAPI 
+    epicsSocketEnableAddressUseForDatagramFanout ( SOCKET s )
+{
+    int yes = true;
+    int status;
+    status = setsockopt ( s, SOL_SOCKET, SO_REUSEPORT,
+        (char *) & yes, sizeof ( yes ) );
+    if ( status < 0 ) {
+        errlogPrintf (
+            "epicsSocketEnablePortUseForDatagramFanout: "
+            "unable to set SO_REUSEPORT?\n");
+    }
+}

src/libCom/osi/os/iOS/osdTime.h

@@ -0,0 +1,30 @@
+/*************************************************************************\
+* Copyright (c) 2002 The University of Saskatchewan
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
+/*
+ * $Id$
+ *
+ * Author: Eric Norum
+ */
+
+#ifndef osdTimeh
+#define osdTimeh
+
+#include <sys/time.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+epicsShareFunc void convertDoubleToWakeTime(double timeout,
+    struct timespec *wakeTime);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* ifndef osdTimeh */
+

src/libCom/osi/os/iOS/osiFileName.h

@@ -0,0 +1,18 @@
+/*************************************************************************\
+* Copyright (c) 2002 The University of Saskatchewan
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
+/*
+ * $Id$
+ *
+ * Author: Eric Norum
+ */
+
+#ifndef osiFileNameH
+#define osiFileNameH
+
+#include "unixFileName.h"
+
+#endif /* osiFileNameH */