From d7093487a36b0b1a35c28d065f4f0a5890676216 Mon Sep 17 00:00:00 2001
From: Mikhail Svetkin <mikhail.svetkin@qt.io>
Date: Tue, 20 Mar 2018 14:27:45 +0100
Subject: rtems: Disable fork feature and fix compilation in corelib/io

RTEMS does not support fork.
RTEMS has LOCK_EX and LOCK_NB defines but does not have flock.

Change-Id: I2b1774435bc972f53596f4163ec410b9d22aca4a
Reviewed-by: Ryan Chu <ryan.chu@qt.io>
---
 src/corelib/io/io.pri                | 2 +-
 src/corelib/io/qlockfile_unix.cpp    | 5 +++++
 src/corelib/io/qstorageinfo_unix.cpp | 4 ++--
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/corelib/io/io.pri b/src/corelib/io/io.pri
index 13b43ad8f7..fe81689932 100644
--- a/src/corelib/io/io.pri
+++ b/src/corelib/io/io.pri
@@ -172,7 +172,7 @@ win32 {
                 io/qlockfile_unix.cpp \
                 io/qfilesystemiterator_unix.cpp
 
-        !integrity:!uikit {
+        !integrity:!uikit:!rtems {
             SOURCES += io/forkfd_qt.cpp
             HEADERS += \
                      ../3rdparty/forkfd/forkfd.h
diff --git a/src/corelib/io/qlockfile_unix.cpp b/src/corelib/io/qlockfile_unix.cpp
index 4a12157607..b2bf77c0da 100644
--- a/src/corelib/io/qlockfile_unix.cpp
+++ b/src/corelib/io/qlockfile_unix.cpp
@@ -58,6 +58,11 @@
 #include <sys/file.h>  // flock
 #endif
 
+#if defined(Q_OS_RTEMS)
+#  undef LOCK_EX
+#  undef LOCK_NB
+#endif
+
 #include <sys/types.h> // kill
 #include <signal.h>    // kill
 #include <unistd.h>    // gethostname
diff --git a/src/corelib/io/qstorageinfo_unix.cpp b/src/corelib/io/qstorageinfo_unix.cpp
index b7621b5d2f..d25a607d9f 100644
--- a/src/corelib/io/qstorageinfo_unix.cpp
+++ b/src/corelib/io/qstorageinfo_unix.cpp
@@ -812,7 +812,7 @@ void QStorageInfoPrivate::retrieveVolumeInfo()
         valid = true;
         ready = true;
 
-#if defined(Q_OS_INTEGRITY) || (defined(Q_OS_BSD4) && !defined(Q_OS_NETBSD))
+#if defined(Q_OS_INTEGRITY) || (defined(Q_OS_BSD4) && !defined(Q_OS_NETBSD)) || defined(Q_OS_RTEMS)
         bytesTotal = statfs_buf.f_blocks * statfs_buf.f_bsize;
         bytesFree = statfs_buf.f_bfree * statfs_buf.f_bsize;
         bytesAvailable = statfs_buf.f_bavail * statfs_buf.f_bsize;
@@ -822,7 +822,7 @@ void QStorageInfoPrivate::retrieveVolumeInfo()
         bytesAvailable = statfs_buf.f_bavail * statfs_buf.f_frsize;
 #endif
         blockSize = statfs_buf.f_bsize;
-#if defined(Q_OS_ANDROID) || defined(Q_OS_BSD4) || defined(Q_OS_INTEGRITY)
+#if defined(Q_OS_ANDROID) || defined(Q_OS_BSD4) || defined(Q_OS_INTEGRITY) || defined(Q_OS_RTEMS)
 #if defined(_STATFS_F_FLAGS)
         readOnly = (statfs_buf.f_flags & ST_RDONLY) != 0;
 #endif
-- 
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