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new package: libandroid-sysv-semaphore

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Tee KOBAYASHI 2022-03-28 06:07:07 +09:00 committed by xtkoba
parent 340a9947f3
commit 53253c2005
4 changed files with 210 additions and 0 deletions
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25
packages/libandroid-sysv-semaphore/LICENSE Normal file
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Copyright (C) 2016 The Android Open Source Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

30
packages/libandroid-sysv-semaphore/build.sh Normal file
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TERMUX_PKG_HOMEPAGE=https://android.googlesource.com/platform/bionic/+/refs/heads/master/libc/bionic/sys_sem.cpp
TERMUX_PKG_DESCRIPTION="A shared library providing System V semaphores"
TERMUX_PKG_LICENSE="BSD 2-Clause"
TERMUX_PKG_MAINTAINER="@termux"
TERMUX_PKG_VERSION=0.1
TERMUX_PKG_SKIP_SRC_EXTRACT=true
TERMUX_PKG_BUILD_IN_SRC=true
termux_step_post_get_source() {
local f
for f in LICENSE sys_sem.{c,h}; do
cp $TERMUX_PKG_BUILDER_DIR/${f} ./
done
}
termux_step_pre_configure() {
CPPFLAGS+=" -D__USE_GNU"
CFLAGS+=" -fPIC"
}
termux_step_make() {
$CC $CFLAGS $CPPFLAGS sys_sem.c -c
$CC $CFLAGS sys_sem.o -shared $LDFLAGS -o libandroid-sysv-semaphore.so
$AR cru libandroid-sysv-semaphore.a sys_sem.o
}
termux_step_make_install() {
install -Dm600 -t $TERMUX_PREFIX/lib libandroid-sysv-semaphore.{a,so}
install -Dm600 -T sys_sem.h $TERMUX_PREFIX/include/sys/sem.h
}

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packages/libandroid-sysv-semaphore/sys_sem.c Normal file
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/*
* Copyright (C) 2016 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "sys_sem.h"
#include <stdarg.h>
#include <sys/syscall.h>
#include <unistd.h>
int semctl(int id, int num, int cmd, ...) {
#if !defined(__LP64__)
// Annoyingly, the kernel requires this for 32-bit but rejects it for 64-bit.
cmd |= IPC_64;
#endif
va_list ap;
va_start(ap, cmd);
union semun arg = va_arg(ap, union semun);
va_end(ap);
#if defined(SYS_semctl)
return syscall(SYS_semctl, id, num, cmd, arg);
#else
return syscall(SYS_ipc, SEMCTL, id, num, cmd, &arg, 0);
#endif
}
int semget(key_t key, int n, int flags) {
#if defined(SYS_semget)
return syscall(SYS_semget, key, n, flags);
#else
return syscall(SYS_ipc, SEMGET, key, n, flags, 0, 0);
#endif
}
int semop(int id, struct sembuf* ops, size_t op_count) {
return semtimedop(id, ops, op_count, NULL);
}
int semtimedop(int id, struct sembuf* ops, size_t op_count, const struct timespec* ts) {
#if defined(SYS_semtimedop)
return syscall(SYS_semtimedop, id, ops, op_count, ts);
#else
return syscall(SYS_ipc, SEMTIMEDOP, id, op_count, 0, ops, ts);
#endif
}
/* Make alias for use with e.g. dlopen() */
#undef semctl
int semctl(int id, int num, int cmd, ...) __attribute__((alias("libandroid_semctl")));
#undef semget
int semget(key_t key, int n, int flags) __attribute__((alias("libandroid_semget")));
#undef semop
int semop(int id, struct sembuf* ops, size_t op_count) __attribute__((alias("libandroid_semop")));
#undef semtimedop
int semtimedop(int id, struct sembuf* ops, size_t op_count, const struct timespec* ts) __attribute__((alias("libandroid_semtimedop")));

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packages/libandroid-sysv-semaphore/sys_sem.h Normal file
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/*
* Copyright (C) 2014 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SYS_SEM_H_
#define _SYS_SEM_H_
#include <sys/cdefs.h>
#include <sys/ipc.h>
#include <sys/types.h>
#if defined(__USE_GNU)
#include <bits/timespec.h>
#endif
#include <linux/sem.h>
__BEGIN_DECLS
#define semid_ds semid64_ds
union semun {
int val;
struct semid_ds* buf;
unsigned short* array;
struct seminfo* __buf;
void* __pad;
};
#undef semctl
#define semctl libandroid_semctl
int semctl(int __sem_id, int __sem_num, int __cmd, ...);
#undef semget
#define semget libandroid_semget
int semget(key_t __key, int __sem_count, int __flags);
#undef semop
#define semop libandroid_semop
int semop(int __sem_id, struct sembuf* __ops, size_t __op_count);
#if defined(__USE_GNU)
#undef semtimedop
#define semtimedop libandroid_semtimedop
int semtimedop(int __sem_id, struct sembuf* __ops, size_t __op_count, const struct timespec* __timeout);
#endif
__END_DECLS
#endif