4d9260872d
implemented yet - define MADV_* constants on HPPA and IA64 archs - fix *truncate64() handling on 64bit archs
41 lines
1.7 KiB
Diff
41 lines
1.7 KiB
Diff
2005-04-24 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
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* include/sys/mman.h: define MADV_* constants for hppa and
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ia64 archs
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--- dietlibc-0.28/include/sys/mman.h.madv
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+++ dietlibc-0.28/include/sys/mman.h
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@@ -132,6 +132,22 @@
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#define MCL_CURRENT 1 /* lock all current mappings */
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#define MCL_FUTURE 2
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+#define MADV_NORMAL 0 /* no further special treatment */
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+#define MADV_RANDOM 1 /* expect random page references */
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+#define MADV_SEQUENTIAL 2 /* expect sequential page references */
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+#define MADV_WILLNEED 3 /* will need these pages */
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+#define MADV_DONTNEED 4 /* don't need these pages */
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+#define MADV_SPACEAVAIL 5 /* insure that resources are reserved */
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+#define MADV_VPS_PURGE 6 /* Purge pages from VM page cache */
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+#define MADV_VPS_INHERIT 7 /* Inherit parents page size */
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+#define MADV_4K_PAGES 12 /* Use 4K pages */
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+#define MADV_16K_PAGES 14 /* Use 16K pages */
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+#define MADV_64K_PAGES 16 /* Use 64K pages */
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+#define MADV_256K_PAGES 18 /* Use 256K pages */
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+#define MADV_1M_PAGES 20 /* Use 1 Megabyte pages */
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+#define MADV_4M_PAGES 22 /* Use 4 Megabyte pages */
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+#define MADV_16M_PAGES 24 /* Use 16 Megabyte pages */
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+#define MADV_64M_PAGES 26 /* Use 64 Megabyte pages */
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#elif defined(__ia64__)
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#define MAP_TYPE 0x0f /* Mask for type of mapping */
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@@ -151,6 +167,11 @@
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#define MS_INVALIDATE 2 /* invalidate the caches */
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#define MS_SYNC 4 /* synchronous memory sync */
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+#define MADV_NORMAL 0x0 /* default page-in behavior */
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+#define MADV_RANDOM 0x1 /* page-in minimum required */
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+#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
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+#define MADV_WILLNEED 0x3 /* pre-fault pages */
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+#define MADV_DONTNEED 0x4 /* discard these pages */
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#endif
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/* compatibility flags */
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