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linux low level memory implementation (not tested on linux yet)

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Allen Webster
2021-08-13 11:28:01 -07:00
parent 4ab0adf9cc
commit 70e6daf2dd
1 changed files with 22 additions and 2 deletions
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source/md.c
+22 -2
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@@ -207,8 +207,28 @@ MD_LINUX_FileIterIncrement(MD_Arena *arena, MD_FileIter *opaque_it, MD_String8 p
# define MD_IMPL_Release MD_LINUX_Release
#endif
// TODO(allen): implement
# error not implemented
static void*
MD_LINUX_Reserve(MD_u64 size){
void *result = mmap(0, size, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, (off_t)0);
return(result);
}
static void
MD_LINUX_Commit(void *ptr, MD_u64 size){
mprotect(ptr, size, PROT_READ|PROT_WRITE);
}
static void
MD_LINUX_Decommit(void *ptr, MD_u64 size){
mprotect(ptr, size, PROT_NONE);
madvise(ptr, size, MADV_DONTNEED);
}
static void
MD_LINUX_Release(void *ptr, MD_u64 size){
munmap(ptr, size);
}
#endif
//~/////////////////////////////////////////////////////////////////////////////