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LibCore: Add support for compiling for Android with API Version >= 30

Browse source 
Most changes are around user and group management, which are exposed in
the Android NDK differently than other Unices.

We require version 30 for memfd_create, version 28 for posix_spawn, and
so on. It's possible a shim for memfd_create could be used, but since
Google is mandating new apps use API level 30 as of Nov 2022, this seems
suitable.
This commit is contained in:
Andrew Kaster 2022-07-11 01:06:29 -06:00 • committed by Linus Groh
parent 3b15addbc8
commit d84fc60f96
Notes: sideshowbarker 2024-07-17 11:30:54 +09:00
5 changed files with 16 additions and 10 deletions
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4
Userland/Libraries/LibCore/CMakeLists.txt
View file

@ -1,5 +1,4 @@
set(SOURCES
Account.cpp
AnonymousBuffer.cpp
ArgsParser.cpp
ConfigFile.cpp
@ -38,6 +37,9 @@ set(SOURCES
UDPServer.cpp
Version.cpp
)
if (NOT ANDROID)
list(APPEND SOURCES Account.cpp)
endif()
serenity_lib(LibCore core)
target_link_libraries(LibCore LibC LibCrypt)

2
Userland/Libraries/LibCore/Group.cpp
View file

@ -11,7 +11,7 @@
namespace Core {
#ifndef AK_OS_BSD_GENERIC
#if !defined(AK_OS_BSD_GENERIC) && !defined(AK_OS_ANDROID)
ErrorOr<void> Group::add_group(Group& group)
{
if (group.name().is_empty())

2
Userland/Libraries/LibCore/Group.h
View file

@ -15,7 +15,7 @@ namespace Core {
class Group {
public:
#ifndef AK_OS_BSD_GENERIC
#if !defined(AK_OS_BSD_GENERIC) && !defined(AK_OS_ANDROID)
static ErrorOr<void> add_group(Group& group);
#endif

12
Userland/Libraries/LibCore/System.cpp
View file

@ -13,7 +13,6 @@
#include <AK/String.h>
#include <AK/Vector.h>
#include <LibCore/System.h>
#include <LibSystem/syscall.h>
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
@ -25,6 +24,7 @@
#include <unistd.h>
#ifdef __serenity__
# include <LibSystem/syscall.h>
# include <serenity.h>
#endif
@ -182,7 +182,7 @@ ErrorOr<void> profiling_free_buffer(pid_t pid)
}
#endif
#ifndef AK_OS_BSD_GENERIC
#if !defined(AK_OS_BSD_GENERIC) && !defined(AK_OS_ANDROID)
ErrorOr<Optional<struct spwd>> getspent()
{
errno = 0;
@ -917,17 +917,19 @@ ErrorOr<struct utsname> uname()
return uts;
}
#ifndef AK_OS_ANDROID
ErrorOr<void> adjtime(const struct timeval* delta, struct timeval* old_delta)
{
#ifdef __serenity__
# ifdef __serenity__
int rc = syscall(SC_adjtime, delta, old_delta);
HANDLE_SYSCALL_RETURN_VALUE("adjtime", rc, {});
#else
# else
if (::adjtime(delta, old_delta) < 0)
return Error::from_syscall("adjtime"sv, -errno);
return {};
#endif
# endif
}
#endif
ErrorOr<void> exec(StringView filename, Span<StringView> arguments, SearchInPath search_in_path, Optional<Span<StringView>> environment)
{

6
Userland/Libraries/LibCore/System.h
View file

@ -26,7 +26,7 @@
#include <time.h>
#include <utime.h>
#ifndef AK_OS_BSD_GENERIC
#if !defined(AK_OS_BSD_GENERIC) && !defined(AK_OS_ANDROID)
# include <shadow.h>
#endif
@ -78,7 +78,7 @@ ALWAYS_INLINE ErrorOr<void> unveil(std::nullptr_t, std::nullptr_t)
return unveil(StringView {}, StringView {});
}
#ifndef AK_OS_BSD_GENERIC
#if !defined(AK_OS_BSD_GENERIC) && !defined(AK_OS_ANDROID)
ErrorOr<Optional<struct spwd>> getspent();
ErrorOr<Optional<struct spwd>> getspnam(StringView name);
#endif
@ -157,7 +157,9 @@ ErrorOr<void> unlink(StringView path);
ErrorOr<void> utime(StringView path, Optional<struct utimbuf>);
ErrorOr<struct utsname> uname();
ErrorOr<Array<int, 2>> pipe2(int flags);
#ifndef AK_OS_ANDROID
ErrorOr<void> adjtime(const struct timeval* delta, struct timeval* old_delta);
#endif
enum class SearchInPath {
No,
Yes,