From 6be460d5b0b60aca4e8d649e2254f8a8920f4d98 Mon Sep 17 00:00:00 2001
From: Kenny Root <kroot@google.com>
Date: Mon, 4 Oct 2010 14:43:15 -0700
Subject: [PATCH] Add HAVE_PREAD definition to platforms

ZipFileRO uses pread() to guarantee atomic reads at an offset, so use
the HAVE_PREAD flag to trigger off of. The only platform that doesn't
implement it directly is Windows.

Change-Id: Ic927611dc45b75ff8f672ed59afee5be1ad07ab4
---
 include/arch/darwin-x86/AndroidConfig.h       | 5 +++++
 include/arch/freebsd-x86/AndroidConfig.h      | 5 +++++
 include/arch/linux-arm/AndroidConfig.h        | 5 +++++
 include/arch/linux-sh/AndroidConfig.h         | 5 +++++
 include/arch/linux-x86/AndroidConfig.h        | 5 +++++
 include/arch/target_linux-x86/AndroidConfig.h | 5 +++++
 include/arch/windows/AndroidConfig.h          | 5 +++++
 7 files changed, 35 insertions(+)

diff --git a/include/arch/darwin-x86/AndroidConfig.h b/include/arch/darwin-x86/AndroidConfig.h
index 3aa0cd120..c2c1f189c 100644
--- a/include/arch/darwin-x86/AndroidConfig.h
+++ b/include/arch/darwin-x86/AndroidConfig.h
@@ -285,4 +285,9 @@
  */
 #define HAVE_SCHED_H 1
 
+/*
+ * Define if pread() exists
+ */
+#define HAVE_PREAD 1
+
 #endif /*_ANDROID_CONFIG_H*/
diff --git a/include/arch/freebsd-x86/AndroidConfig.h b/include/arch/freebsd-x86/AndroidConfig.h
index 57d5024f3..a2a9e6762 100644
--- a/include/arch/freebsd-x86/AndroidConfig.h
+++ b/include/arch/freebsd-x86/AndroidConfig.h
@@ -344,4 +344,9 @@
  */
 #define HAVE_SCHED_H 1
 
+/*
+ * Define if pread() exists
+ */
+#define HAVE_PREAD 1
+
 #endif /*_ANDROID_CONFIG_H*/
diff --git a/include/arch/linux-arm/AndroidConfig.h b/include/arch/linux-arm/AndroidConfig.h
index 32b702692..f5fabb209 100644
--- a/include/arch/linux-arm/AndroidConfig.h
+++ b/include/arch/linux-arm/AndroidConfig.h
@@ -339,4 +339,9 @@
  */
 #define HAVE_SCHED_H 1
 
+/*
+ * Define if pread() exists
+ */
+#define HAVE_PREAD 1
+
 #endif /* _ANDROID_CONFIG_H */
diff --git a/include/arch/linux-sh/AndroidConfig.h b/include/arch/linux-sh/AndroidConfig.h
index 76ae7d71c..297f51b13 100644
--- a/include/arch/linux-sh/AndroidConfig.h
+++ b/include/arch/linux-sh/AndroidConfig.h
@@ -346,4 +346,9 @@
  */
 #define HAVE_UNWIND_CONTEXT_STRUCT
 
+/*
+ * Define if pread() exists
+ */
+#define HAVE_PREAD 1
+
 #endif /* _ANDROID_CONFIG_H */
diff --git a/include/arch/linux-x86/AndroidConfig.h b/include/arch/linux-x86/AndroidConfig.h
index b0fe90a7c..385e1a262 100644
--- a/include/arch/linux-x86/AndroidConfig.h
+++ b/include/arch/linux-x86/AndroidConfig.h
@@ -313,4 +313,9 @@
  */
 #define HAVE_SCHED_H 1
 
+/*
+ * Define if pread() exists
+ */
+#define HAVE_PREAD 1
+
 #endif /*_ANDROID_CONFIG_H*/
diff --git a/include/arch/target_linux-x86/AndroidConfig.h b/include/arch/target_linux-x86/AndroidConfig.h
index b9800dd57..1aff9cfd2 100644
--- a/include/arch/target_linux-x86/AndroidConfig.h
+++ b/include/arch/target_linux-x86/AndroidConfig.h
@@ -330,4 +330,9 @@
  */
 #define HAVE_SCHED_H 1
 
+/*
+ * Define if pread() exists
+ */
+#define HAVE_PREAD 1
+
 #endif /* _ANDROID_CONFIG_H */
diff --git a/include/arch/windows/AndroidConfig.h b/include/arch/windows/AndroidConfig.h
index bb8e5efad..00ce557b9 100644
--- a/include/arch/windows/AndroidConfig.h
+++ b/include/arch/windows/AndroidConfig.h
@@ -318,4 +318,9 @@
  */
 /* #define HAVE_SCHED_H */
 
+/*
+ * Define if pread() exists
+ */
+/* #define HAVE_PREAD 1 */
+
 #endif /*_ANDROID_CONFIG_H*/