diff options
| author | Jakob Kaivo <jkk@ung.org> | 2024-05-28 15:50:03 -0400 |
|---|---|---|
| committer | Jakob Kaivo <jkk@ung.org> | 2024-05-28 15:50:03 -0400 |
| commit | c9ec058657f9f8b3fd39a16f1a9e993b4a1e982e (patch) | |
| tree | 6cf1abadd04a1a9049d82ffe0e78be7f8b4cece2 /src/__readonly.c | |
| parent | b4cd7036bea6c6440fbbcdaebe53c864c87a5646 (diff) | |
abstract out "forced" implementations of functions from future specifications
Diffstat (limited to 'src/__readonly.c')
| -rw-r--r-- | src/__readonly.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/src/__readonly.c b/src/__readonly.c index 74837a91..f2d33c38 100644 --- a/src/__readonly.c +++ b/src/__readonly.c @@ -1,24 +1,19 @@ +#include <limits.h> #include <stdlib.h> #include "_readonly.h" +#include "stdlib/_jkmalloc.h" +#include "_forced/mprotect.h" -#ifdef _POSIX_C_SOURCE -#include <sys/mman.h> -#include <limits.h> -#else -#include "_syscall.h" -#define mprotect(__ptr, __len, __prot) __syscall(__sys_mprotect, __ptr, __len, __prot) -#define PROT_READ 1 -#define PROT_WRITE 2 -#define PAGESIZE 4096 +#ifndef PAGESIZE +#define PAGESIZE 4096 #endif void* __readonly(ro_action_t action, void *ptr) { switch (action) { case RO_ALLOC: - /* set magic to JK_READONLY */ - /* set label to ptr */ - return malloc(PAGESIZE); + return __jkmalloc(NULL, NULL, 0, NULL, 1, PAGESIZE, 0, ptr); + case RO_FREE: free(ptr); |