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Use syscall instead of mmap and munmap

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This commit is contained in:
Eugen Wissner
2018-04-22 08:07:20 +02:00
parent 5cac28c093
commit e8222123e6
6 changed files with 169 additions and 124 deletions
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47
source/tanya/sys/linux/syscall.d Normal file
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/* 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/. */
/*
* Copyright: Eugene Wissner 2018.
* License: $(LINK2 https://www.mozilla.org/en-US/MPL/2.0/,
* Mozilla Public License, v. 2.0).
* Authors: $(LINK2 mailto:info@caraus.de, Eugene Wissner)
* Source: $(LINK2 https://github.com/caraus-ecms/tanya/blob/master/source/tanya/sys/linux/syscall.d,
* tanya/sys/linux/syscall.d)
*/
module tanya.sys.linux.syscall;
version (TanyaNative):
extern ptrdiff_t syscall(ptrdiff_t, ptrdiff_t, ptrdiff_t)
@nogc nothrow @system;
extern ptrdiff_t syscall(ptrdiff_t,
ptrdiff_t,
ptrdiff_t,
ptrdiff_t,
ptrdiff_t,
ptrdiff_t,
ptrdiff_t) @nogc nothrow @system;
// Same syscalls as above but pure.
private template getOverloadMangling(size_t n)
{
enum string getOverloadMangling = __traits(getOverloads,
tanya.sys.linux.syscall,
"syscall")[n].mangleof;
}
pragma(mangle, getOverloadMangling!0)
extern ptrdiff_t syscall_(ptrdiff_t, ptrdiff_t, ptrdiff_t)
@nogc nothrow pure @system;
pragma(mangle, getOverloadMangling!1)
extern ptrdiff_t syscall_(ptrdiff_t,
ptrdiff_t,
ptrdiff_t,
ptrdiff_t,
ptrdiff_t,
ptrdiff_t,
ptrdiff_t) @nogc nothrow pure @system;

31
source/tanya/sys/posix/mman.d Normal file
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/* 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/. */
/*
* Copyright: Eugene Wissner 2018.
* License: $(LINK2 https://www.mozilla.org/en-US/MPL/2.0/,
* Mozilla Public License, v. 2.0).
* Authors: $(LINK2 mailto:info@caraus.de, Eugene Wissner)
* Source: $(LINK2 https://github.com/caraus-ecms/tanya/blob/master/source/tanya/sys/posix/mman.d,
* tanya/sys/posix/mman.d)
*/
module tanya.sys.posix.mman;
version (TanyaNative):
enum
{
PROT_EXEC = 0x4, // Page can be executed.
PROT_NONE = 0x0, // Page cannot be accessed.
PROT_READ = 0x1, // Page can be read.
PROT_WRITE = 0x2, // Page can be written.
}
enum
{
MAP_FIXED = 0x10, // Interpret addr exactly.
MAP_PRIVATE = 0x02, // Changes are private.
MAP_SHARED = 0x01, // Share changes.
MAP_ANONYMOUS = 0x20, // Don't use a file.
}