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sys/posix: add MAP_ANONYMOUS

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Laytan Laats
2024-12-01 11:54:54 +11:00
committed by flysand7
parent 468c0b573a
commit 460e2629bd
2 changed files with 16 additions and 16 deletions
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core/sys/posix/sys_mman.odin
+13 -9
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@@ -116,12 +116,14 @@ Prot_Flag_Bits :: enum c.int {
Prot_Flags :: bit_set[Prot_Flag_Bits; c.int]
Map_Flag_Bits :: enum c.int {
// Map anonymous memory.
ANONYMOUS = log2(MAP_ANONYMOUS),
// Interpret addr exactly.
FIXED = log2(MAP_FIXED),
FIXED = log2(MAP_FIXED),
// Changes are private.
PRIVATE = log2(MAP_PRIVATE),
PRIVATE = log2(MAP_PRIVATE),
// Changes are shared.
SHARED = log2(MAP_SHARED),
SHARED = log2(MAP_SHARED),
}
Map_Flags :: bit_set[Map_Flag_Bits; c.int]
@@ -171,9 +173,10 @@ when ODIN_OS == .Darwin || ODIN_OS == .NetBSD || ODIN_OS == .OpenBSD || ODIN_OS
PROT_READ :: 0x01
PROT_WRITE :: 0x02
MAP_FIXED :: 0x0010
MAP_PRIVATE :: 0x0002
MAP_SHARED :: 0x0001
MAP_FIXED :: 0x0010
MAP_PRIVATE :: 0x0002
MAP_SHARED :: 0x0001
MAP_ANONYMOUS :: 0x0020 when ODIN_OS == .Linux else 0x1000
when ODIN_OS == .Darwin || ODIN_OS == .Linux {
MS_INVALIDATE :: 0x0002
@@ -207,9 +210,10 @@ when ODIN_OS == .Darwin || ODIN_OS == .NetBSD || ODIN_OS == .OpenBSD || ODIN_OS
PROT_READ :: 0x01
PROT_WRITE :: 0x02
MAP_FIXED :: 0x0010
MAP_PRIVATE :: 0x0002
MAP_SHARED :: 0x0001
MAP_FIXED :: 0x0010
MAP_PRIVATE :: 0x0002
MAP_SHARED :: 0x0001
MAP_ANONYMOUS :: 0x1000
MS_ASYNC :: 0x0001
MS_INVALIDATE :: 0x0002