blob: 733a84256c965c2075b6a1ee0da78f4aabacf880 [file] [log] [blame]
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBC_PRIVATE_KERNEL_SIGSET_T_H_
#define LIBC_PRIVATE_KERNEL_SIGSET_T_H_
// Our sigset_t is wrong for ARM and x86. It's 32-bit but the kernel expects 64 bits.
// This means we can't support real-time signals correctly until we can change the ABI.
// In the meantime, we can use this union to pass an appropriately-sized block of memory
// to the kernel, at the cost of not being able to refer to real-time signals.
union kernel_sigset_t {
kernel_sigset_t() {
clear();
}
kernel_sigset_t(const sigset_t* value) {
clear();
set(value);
}
void clear() {
memset(this, 0, sizeof(*this));
}
void set(const sigset_t* value) {
bionic = *value;
}
sigset_t* get() {
return &bionic;
}
sigset_t bionic;
#ifndef __mips__
uint32_t kernel[2];
#endif
};
#endif