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authorSzabolcs Nagy <nsz@port70.net>2018-02-02 20:10:09 +0000
committerRich Felker <dalias@aerifal.cx>2018-02-22 18:48:58 -0500
commit9b57db3f958d9adc3b1c7371b5c6723aaee448b7 (patch)
tree98d5108c1ec3a7acca28d240d0a58ed9003fa084
parent9eda4dc69c33852c97c6f69176bf45ffc80b522f (diff)
downloadmusl-9b57db3f958d9adc3b1c7371b5c6723aaee448b7.tar.gz
add MAP_SYNC and MAP_SHARED_VALIDATE from linux v4.15
for synchronous page faults, new in linux commit 1c9725974074a047f6080eecc62c50a8e840d050 and b6fb293f2497a9841d94f6b57bd2bb2cd222da43 note that only targets that use asm-generic/mman.h have this new flag defined, so undef it on other targets (mips*, powerpc*).
-rw-r--r--arch/mips/bits/mman.h1
-rw-r--r--arch/mips64/bits/mman.h1
-rw-r--r--arch/mipsn32/bits/mman.h1
-rw-r--r--arch/powerpc/bits/mman.h1
-rw-r--r--arch/powerpc64/bits/mman.h1
-rw-r--r--include/sys/mman.h2
6 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/bits/mman.h b/arch/mips/bits/mman.h
index c68aea88..9027bb63 100644
--- a/arch/mips/bits/mman.h
+++ b/arch/mips/bits/mman.h
@@ -18,6 +18,7 @@
#define MAP_STACK 0x40000
#undef MAP_HUGETLB
#define MAP_HUGETLB 0x80000
+#undef MAP_SYNC
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#undef MADV_SOFT_OFFLINE
diff --git a/arch/mips64/bits/mman.h b/arch/mips64/bits/mman.h
index c68aea88..9027bb63 100644
--- a/arch/mips64/bits/mman.h
+++ b/arch/mips64/bits/mman.h
@@ -18,6 +18,7 @@
#define MAP_STACK 0x40000
#undef MAP_HUGETLB
#define MAP_HUGETLB 0x80000
+#undef MAP_SYNC
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#undef MADV_SOFT_OFFLINE
diff --git a/arch/mipsn32/bits/mman.h b/arch/mipsn32/bits/mman.h
index c68aea88..9027bb63 100644
--- a/arch/mipsn32/bits/mman.h
+++ b/arch/mipsn32/bits/mman.h
@@ -18,6 +18,7 @@
#define MAP_STACK 0x40000
#undef MAP_HUGETLB
#define MAP_HUGETLB 0x80000
+#undef MAP_SYNC
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#undef MADV_SOFT_OFFLINE
diff --git a/arch/powerpc/bits/mman.h b/arch/powerpc/bits/mman.h
index 95ec4358..b3a675a8 100644
--- a/arch/powerpc/bits/mman.h
+++ b/arch/powerpc/bits/mman.h
@@ -4,6 +4,7 @@
#define MAP_NORESERVE 0x40
#undef MAP_LOCKED
#define MAP_LOCKED 0x80
+#undef MAP_SYNC
#undef MCL_CURRENT
#define MCL_CURRENT 0x2000
diff --git a/arch/powerpc64/bits/mman.h b/arch/powerpc64/bits/mman.h
index 95ec4358..b3a675a8 100644
--- a/arch/powerpc64/bits/mman.h
+++ b/arch/powerpc64/bits/mman.h
@@ -4,6 +4,7 @@
#define MAP_NORESERVE 0x40
#undef MAP_LOCKED
#define MAP_LOCKED 0x80
+#undef MAP_SYNC
#undef MCL_CURRENT
#define MCL_CURRENT 0x2000
diff --git a/include/sys/mman.h b/include/sys/mman.h
index d13d4ca3..302ad134 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -20,6 +20,7 @@ extern "C" {
#define MAP_SHARED 0x01
#define MAP_PRIVATE 0x02
+#define MAP_SHARED_VALIDATE 0x03
#define MAP_TYPE 0x0f
#define MAP_FIXED 0x10
#define MAP_ANON 0x20
@@ -33,6 +34,7 @@ extern "C" {
#define MAP_NONBLOCK 0x10000
#define MAP_STACK 0x20000
#define MAP_HUGETLB 0x40000
+#define MAP_SYNC 0x80000
#define MAP_FILE 0
#define MAP_HUGE_SHIFT 26