From d8b41ec01e667d7b0d8ab5dbacfc5ea1791fade8 Mon Sep 17 00:00:00 2001 From: Samuel Hym Date: Mon, 6 May 2024 19:36:24 +0200 Subject: [PATCH] Reformulate two comments in mmap --- nolibc/mmap.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/nolibc/mmap.c b/nolibc/mmap.c index 46e1af13..3f99fc07 100644 --- a/nolibc/mmap.c +++ b/nolibc/mmap.c @@ -21,8 +21,8 @@ void *mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off) { * since the OCaml code base simply ignores the returned value (as MAP_FIXED * enforces the returned value to be either addr or MAP_FAILED). * - * The OCaml usage of [mmap()] is only to allocate some spaces, only [fildes - * == -1] is handled so. + * The OCaml runtime uses [mmap()] only to allocate memory, so only + * [fildes == 1] is handled. */ (void)prot; // unused argument @@ -38,9 +38,9 @@ void *mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off) { void *ptr = NULL; if (addr == NULL) { - /* Solo5 may returns -1 and set errno on error, just return MAP_FAILED. - It doesn't modify ptr on error: ptr will still be NULL - */ + /* posix_memalign doesn't modify ptr on error: ptr will still be NULL and + * so we will return MAP_FAILED with no need to check explicitly the value + * returned by posix_memalign */ posix_memalign(&ptr, OCAML_SOLO5_PAGESIZE, len); } else { if ((flags & MAP_FIXED) != 0) {