8e79f2ee9c
Based on Nekogram. Key additions: - Rebrand to FoxiGram (app name, APK name, applicationId com.foxigram.app) - Embedded Xray (VLESS+Reality) proxy client via JNI libxray.so - Bundled hidden one-tap proxies (LTE + WiFi), read-only in UI - Auto-restore proxy on restart, rebind to active network (LTE/WiFi) - Server credentials externalized to git-ignored XrayServers.java (+ template) - libxray Go source included; compiled .so, keystore, google-services.json ignored
59 lines
2 KiB
C++
59 lines
2 KiB
C++
// Copyright 2015 The BoringSSL Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "internal.h"
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#include <assert.h>
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#include <stdlib.h>
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// See comment above the typedef of CRYPTO_refcount_t about these tests.
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static_assert(alignof(CRYPTO_refcount_t) == alignof(CRYPTO_atomic_u32),
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"CRYPTO_refcount_t does not match CRYPTO_atomic_u32 alignment");
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static_assert(sizeof(CRYPTO_refcount_t) == sizeof(CRYPTO_atomic_u32),
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"CRYPTO_refcount_t does not match CRYPTO_atomic_u32 size");
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static_assert((CRYPTO_refcount_t)-1 == CRYPTO_REFCOUNT_MAX,
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"CRYPTO_REFCOUNT_MAX is incorrect");
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void CRYPTO_refcount_inc(CRYPTO_refcount_t *in_count) {
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CRYPTO_atomic_u32 *count = (CRYPTO_atomic_u32 *)in_count;
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uint32_t expected = CRYPTO_atomic_load_u32(count);
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while (expected != CRYPTO_REFCOUNT_MAX) {
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uint32_t new_value = expected + 1;
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if (CRYPTO_atomic_compare_exchange_weak_u32(count, &expected, new_value)) {
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break;
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}
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}
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}
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int CRYPTO_refcount_dec_and_test_zero(CRYPTO_refcount_t *in_count) {
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CRYPTO_atomic_u32 *count = (CRYPTO_atomic_u32 *)in_count;
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uint32_t expected = CRYPTO_atomic_load_u32(count);
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for (;;) {
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if (expected == 0) {
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abort();
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} else if (expected == CRYPTO_REFCOUNT_MAX) {
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return 0;
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} else {
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const uint32_t new_value = expected - 1;
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if (CRYPTO_atomic_compare_exchange_weak_u32(count, &expected,
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new_value)) {
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return new_value == 0;
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}
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}
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}
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}
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