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GNU C Library master sources branch master updated. glibc-2.27.9000-27-ge76def7

From: jsm28 at sourceware dot org
To: glibc-cvs at sourceware dot org
Date: 6 Feb 2018 00:36:36 -0000
Subject: GNU C Library master sources branch master updated. glibc-2.27.9000-27-ge76def7
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The branch, master has been updated
       via  e76def72eb74ddc4fcf2b1630f5da742ddbd811d (commit)
      from  92669d6ee3f25b3ca4cb227d194900489f895432 (commit)

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=e76def72eb74ddc4fcf2b1630f5da742ddbd811d

commit e76def72eb74ddc4fcf2b1630f5da742ddbd811d
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Tue Feb 6 00:36:14 2018 +0000

    Add MAP_SYNC from Linux 4.15.
    
    This patch adds the MAP_SYNC macro from Linux 4.15 to various
    bits/mman.h headers.  Note that this is *not* added to all
    architectures: in Linux 4.15, this macro is only in
    asm-generic/mman.h, and only some architectures' asm/mman.h include
    the asm-generic file - the architectures not using the asm-generic
    file will need their own values of MAP_SYNC allocated to support this
    functionality (some of them also already have conflicting mmap flags
    so the value there will have to be different from the generic
    0x80000).  Specifically, for glibc architectures, alpha hppa mips
    powerpc sparc tile lack allocations of values for MAP_SYNC.
    
    Tested for x86_64.
    
    	* sysdeps/unix/sysv/linux/aarch64/bits/mman.h [__USE_MISC]
    	(MAP_SYNC): New macro.
    	* sysdeps/unix/sysv/linux/arm/bits/mman.h [__USE_MISC] (MAP_SYNC):
    	Likewise.
    	* sysdeps/unix/sysv/linux/ia64/bits/mman.h [__USE_MISC]
    	(MAP_SYNC): Likewise.
    	* sysdeps/unix/sysv/linux/m68k/bits/mman.h [__USE_MISC]
    	(MAP_SYNC): Likewise.
    	* sysdeps/unix/sysv/linux/microblaze/bits/mman.h [__USE_MISC]
    	(MAP_SYNC): Likewise.
    	* sysdeps/unix/sysv/linux/nios2/bits/mman.h [__USE_MISC]
    	(MAP_SYNC): Likewise.
    	* sysdeps/unix/sysv/linux/riscv/bits/mman.h [__USE_MISC]
    	(MAP_SYNC): Likewise.
    	* sysdeps/unix/sysv/linux/s390/bits/mman.h [__USE_MISC]
    	(MAP_SYNC): Likewise.
    	* sysdeps/unix/sysv/linux/sh/bits/mman.h [__USE_MISC] (MAP_SYNC):
    	Likewise.
    	* sysdeps/unix/sysv/linux/x86/bits/mman.h [__USE_MISC] (MAP_SYNC):
    	Likewise.

diff --git a/ChangeLog b/ChangeLog
index 115d3cb..0022ea0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,26 @@
 2018-02-06  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/unix/sysv/linux/aarch64/bits/mman.h [__USE_MISC]
+	(MAP_SYNC): New macro.
+	* sysdeps/unix/sysv/linux/arm/bits/mman.h [__USE_MISC] (MAP_SYNC):
+	Likewise.
+	* sysdeps/unix/sysv/linux/ia64/bits/mman.h [__USE_MISC]
+	(MAP_SYNC): Likewise.
+	* sysdeps/unix/sysv/linux/m68k/bits/mman.h [__USE_MISC]
+	(MAP_SYNC): Likewise.
+	* sysdeps/unix/sysv/linux/microblaze/bits/mman.h [__USE_MISC]
+	(MAP_SYNC): Likewise.
+	* sysdeps/unix/sysv/linux/nios2/bits/mman.h [__USE_MISC]
+	(MAP_SYNC): Likewise.
+	* sysdeps/unix/sysv/linux/riscv/bits/mman.h [__USE_MISC]
+	(MAP_SYNC): Likewise.
+	* sysdeps/unix/sysv/linux/s390/bits/mman.h [__USE_MISC]
+	(MAP_SYNC): Likewise.
+	* sysdeps/unix/sysv/linux/sh/bits/mman.h [__USE_MISC] (MAP_SYNC):
+	Likewise.
+	* sysdeps/unix/sysv/linux/x86/bits/mman.h [__USE_MISC] (MAP_SYNC):
+	Likewise.
+
 	* sysdeps/unix/sysv/linux/bits/mman-linux.h [__USE_MISC]
 	(MAP_SHARED_VALIDATE): New macro.
 	* sysdeps/unix/sysv/linux/hppa/bits/mman.h [__USE_MISC]
diff --git a/sysdeps/unix/sysv/linux/aarch64/bits/mman.h b/sysdeps/unix/sysv/linux/aarch64/bits/mman.h
index 83ff48c..9ad8a60 100644
--- a/sysdeps/unix/sysv/linux/aarch64/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/aarch64/bits/mman.h
@@ -36,6 +36,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 
diff --git a/sysdeps/unix/sysv/linux/arm/bits/mman.h b/sysdeps/unix/sysv/linux/arm/bits/mman.h
index 9e059e6..be71c82 100644
--- a/sysdeps/unix/sysv/linux/arm/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/arm/bits/mman.h
@@ -34,6 +34,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 /* Include generic Linux declarations.  */
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/mman.h b/sysdeps/unix/sysv/linux/ia64/bits/mman.h
index cb64de4..0f00a1a 100644
--- a/sysdeps/unix/sysv/linux/ia64/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/ia64/bits/mman.h
@@ -35,6 +35,8 @@
 # define MAP_NONBLOCK	  0x10000	/* Do not block on IO.  */
 # define MAP_STACK	  0x20000	/* Allocation is for a stack.  */
 # define MAP_HUGETLB	  0x40000	/* Create huge page mapping.  */
+# define MAP_SYNC	  0x80000	/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 /* Include generic Linux declarations.  */
diff --git a/sysdeps/unix/sysv/linux/m68k/bits/mman.h b/sysdeps/unix/sysv/linux/m68k/bits/mman.h
index db26a44..80cc2a6 100644
--- a/sysdeps/unix/sysv/linux/m68k/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/m68k/bits/mman.h
@@ -34,6 +34,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 /* Include generic Linux declarations.  */
diff --git a/sysdeps/unix/sysv/linux/microblaze/bits/mman.h b/sysdeps/unix/sysv/linux/microblaze/bits/mman.h
index b820da1..8ca77b6 100644
--- a/sysdeps/unix/sysv/linux/microblaze/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/microblaze/bits/mman.h
@@ -36,6 +36,8 @@
 # define MAP_NONBLOCK       0x10000     /* Do not block on IO.  */
 # define MAP_STACK          0x20000     /* Allocation is for a stack.  */
 # define MAP_HUGETLB        0x40000     /* Create huge page mapping.  */
+# define MAP_SYNC           0x80000	/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 /* Include generic Linux declarations.  */
diff --git a/sysdeps/unix/sysv/linux/nios2/bits/mman.h b/sysdeps/unix/sysv/linux/nios2/bits/mman.h
index b7c27b8..987e479 100644
--- a/sysdeps/unix/sysv/linux/nios2/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/nios2/bits/mman.h
@@ -36,6 +36,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 /* Include generic Linux declarations.  */
diff --git a/sysdeps/unix/sysv/linux/riscv/bits/mman.h b/sysdeps/unix/sysv/linux/riscv/bits/mman.h
index 0e64f1e..8425772 100644
--- a/sysdeps/unix/sysv/linux/riscv/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/riscv/bits/mman.h
@@ -30,6 +30,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 /* Include generic Linux declarations.  */
diff --git a/sysdeps/unix/sysv/linux/s390/bits/mman.h b/sysdeps/unix/sysv/linux/s390/bits/mman.h
index 4b926e8..cdd7a63 100644
--- a/sysdeps/unix/sysv/linux/s390/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/s390/bits/mman.h
@@ -35,6 +35,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 /* Include generic Linux declarations.  */
diff --git a/sysdeps/unix/sysv/linux/sh/bits/mman.h b/sysdeps/unix/sysv/linux/sh/bits/mman.h
index c5844dc..e22be10 100644
--- a/sysdeps/unix/sysv/linux/sh/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/sh/bits/mman.h
@@ -34,6 +34,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 /* Include generic Linux declarations.  */
diff --git a/sysdeps/unix/sysv/linux/x86/bits/mman.h b/sysdeps/unix/sysv/linux/x86/bits/mman.h
index fb4737a..ebfc0c7 100644
--- a/sysdeps/unix/sysv/linux/x86/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/x86/bits/mman.h
@@ -39,6 +39,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 #endif
 
 /* Include generic Linux declarations.  */

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                                      |   21 +++++++++++++++++++++
 sysdeps/unix/sysv/linux/aarch64/bits/mman.h    |    2 ++
 sysdeps/unix/sysv/linux/arm/bits/mman.h        |    2 ++
 sysdeps/unix/sysv/linux/ia64/bits/mman.h       |    2 ++
 sysdeps/unix/sysv/linux/m68k/bits/mman.h       |    2 ++
 sysdeps/unix/sysv/linux/microblaze/bits/mman.h |    2 ++
 sysdeps/unix/sysv/linux/nios2/bits/mman.h      |    2 ++
 sysdeps/unix/sysv/linux/riscv/bits/mman.h      |    2 ++
 sysdeps/unix/sysv/linux/s390/bits/mman.h       |    2 ++
 sysdeps/unix/sysv/linux/sh/bits/mman.h         |    2 ++
 sysdeps/unix/sysv/linux/x86/bits/mman.h        |    2 ++
 11 files changed, 41 insertions(+), 0 deletions(-)


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