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rename mmap MAP_SHARED to MAP_IPC_SHARED

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. MAP_SHARED was used to implement sysv shared memory
	. used to signal shareable memory region to VM
	. assumptions about this situation break when processes
	  use MAP_SHARED for its normal, standardised meaning
This commit is contained in:
Ben Gras
2011-07-15 18:10:50 +02:00
parent 255ae85b1e
commit 85f6d866e6
7 changed files with 16 additions and 6 deletions
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3
nbsd_include/sys/mman.h
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@@ -35,7 +35,9 @@ typedef __off_t off_t; /* file offset */
* Flags contain sharing type and options.
* Sharing types; choose one.
*/
#ifndef __minix
#define MAP_SHARED 0x0001 /* share changes */
#endif
#define MAP_PRIVATE 0x0002 /* changes are private */
/*
@@ -52,6 +54,7 @@ typedef __off_t off_t; /* file offset */
#define MAP_ALIGN64K 0x0040 /* physically aligned at 64kB */
#define MAP_LOWER1M 0x0080 /* physically below 16MB */
#define MAP_ALIGNMENT_64KB MAP_ALIGN64K
#define MAP_IPC_SHARED 0x0100 /* share changes */
/*
* Error indicator returned by mmap(2)