From 9e3c08db40b8916968b9f30096c7be3f00ce9647 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:44:51 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- nsprpub/pr/src/md/prosdep.c | 69 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 nsprpub/pr/src/md/prosdep.c (limited to 'nsprpub/pr/src/md/prosdep.c') diff --git a/nsprpub/pr/src/md/prosdep.c b/nsprpub/pr/src/md/prosdep.c new file mode 100644 index 0000000000..0b1f3e597a --- /dev/null +++ b/nsprpub/pr/src/md/prosdep.c @@ -0,0 +1,69 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "prbit.h" +#include "prsystem.h" + +#ifdef XP_UNIX +#include +#endif +#ifdef _WIN32 +#include +#endif + +PRInt32 _pr_pageShift; +PRInt32 _pr_pageSize; + +/* +** Get system page size +*/ +static void GetPageSize(void) +{ + PRInt32 pageSize; + + /* Get page size */ +#ifdef XP_UNIX +#if defined BSDI || defined AIX \ + || defined LINUX || defined __GNU__ || defined __GLIBC__ \ + || defined FREEBSD || defined NETBSD || defined OPENBSD \ + || defined DARWIN + _pr_pageSize = getpagesize(); +#elif defined(HPUX) + /* I have no idea. Don't get me started. --Rob */ + _pr_pageSize = sysconf(_SC_PAGE_SIZE); +#else + _pr_pageSize = sysconf(_SC_PAGESIZE); +#endif +#endif /* XP_UNIX */ + +#ifdef XP_PC +#ifdef _WIN32 + SYSTEM_INFO info; + GetSystemInfo(&info); + _pr_pageSize = info.dwPageSize; +#else + _pr_pageSize = 4096; +#endif +#endif /* XP_PC */ + + pageSize = _pr_pageSize; + PR_CEILING_LOG2(_pr_pageShift, pageSize); +} + +PR_IMPLEMENT(PRInt32) PR_GetPageShift(void) +{ + if (!_pr_pageSize) { + GetPageSize(); + } + return _pr_pageShift; +} + +PR_IMPLEMENT(PRInt32) PR_GetPageSize(void) +{ + if (!_pr_pageSize) { + GetPageSize(); + } + return _pr_pageSize; +} -- cgit v1.2.3