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Add error value to commit

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This commit is contained in:
gingerBill
2021-10-05 17:11:12 +01:00
parent 16ca677c1f
commit 455d64fbd4
4 changed files with 29 additions and 10 deletions
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core/mem/virtual/virtual_linux.odin
+8 -3
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@@ -67,7 +67,7 @@ madvise :: proc "contextless" (addr: rawptr, length: uint, advice: c.int) -> c.i
_reserve :: proc(size: uint) -> (data: []byte, err: Allocator_Error) {
MAP_FAILED := rawptr(uintptr(~0))
MAP_FAILED := rawptr(~uintptr(0))
result := mmap(nil, size, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
if result == MAP_FAILED {
return nil, .Out_Of_Memory
@@ -75,8 +75,13 @@ _reserve :: proc(size: uint) -> (data: []byte, err: Allocator_Error) {
return ([^]byte)(result)[:size], nil
}
_commit :: proc(data: rawptr, size: uint) {
mprotect(data, size, PROT_READ|PROT_WRITE)
_commit :: proc(data: rawptr, size: uint) -> Allocator_Error {
result := mprotect(data, size, PROT_READ|PROT_WRITE)
if result != 0 {
// TODO(bill): Handle error value correctly
return .Out_Of_Memory
}
return nil
}
_decommit :: proc(data: rawptr, size: uint) {
mprotect(data, size, PROT_NONE)