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add ashmem mmkv

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This commit is contained in:
guoling
2024-04-11 16:35:50 +08:00
parent 52edb1ef8d
commit b81f033558
7 changed files with 181 additions and 15 deletions
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Core/MemoryFile_Android.cpp
+10 -11
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@@ -119,6 +119,7 @@ int g_android_api = __ANDROID_API_L__;
#endif
std::string g_android_tmpDir = "/data/local/tmp/";
#ifndef MMKV_OHOS
void *loadLibrary() {
auto name = "libandroid.so";
static auto handle = dlopen(name, RTLD_LAZY | RTLD_LOCAL);
@@ -129,13 +130,14 @@ void *loadLibrary() {
}
typedef int (*AShmem_create_t)(const char *name, size_t size);
typedef size_t (*AShmem_getSize_t)(int fd);
#endif
int ASharedMemory_create(const char *name, size_t size) {
int fd = -1;
#ifndef MMKV_OHOS
if (g_android_api >= __ANDROID_API_O__)
#endif
{
if (g_android_api >= __ANDROID_API_O__) {
static auto handle = loadLibrary();
static AShmem_create_t funcPtr =
(handle != nullptr) ? reinterpret_cast<AShmem_create_t>(dlsym(handle, "ASharedMemory_create")) : nullptr;
@@ -148,6 +150,7 @@ int ASharedMemory_create(const char *name, size_t size) {
MMKVWarning("fail to locate ASharedMemory_create() from loading libandroid.so");
}
}
#endif
if (fd < 0) {
fd = open(ASHMEM_NAME_DEF, O_RDWR | O_CLOEXEC);
if (fd < 0) {
@@ -163,14 +166,10 @@ int ASharedMemory_create(const char *name, size_t size) {
return fd;
}
typedef size_t (*AShmem_getSize_t)(int fd);
size_t ASharedMemory_getSize(int fd) {
size_t size = 0;
#ifndef MMKV_OHOS
if (g_android_api >= __ANDROID_API_O__)
#endif
{
if (g_android_api >= __ANDROID_API_O__) {
static auto handle = loadLibrary();
static AShmem_getSize_t funcPtr =
(handle != nullptr) ? reinterpret_cast<AShmem_getSize_t>(dlsym(handle, "ASharedMemory_getSize")) : nullptr;
@@ -183,6 +182,7 @@ size_t ASharedMemory_getSize(int fd) {
MMKVWarning("fail to locate ASharedMemory_create() from loading libandroid.so");
}
}
#endif
if (size == 0) {
int tmp = ioctl(fd, ASHMEM_GET_SIZE, nullptr);
if (tmp < 0) {
@@ -199,11 +199,10 @@ string ASharedMemory_getName(int fd) {
// I've make a request to Google, https://issuetracker.google.com/issues/130741665
// There's nothing we can do before it's supported officially by Google
#ifndef MMKV_OHOS
if (g_android_api >= __ANDROID_API_O__)
#endif
{
if (g_android_api >= __ANDROID_API_O__) {
return "";
}
#endif
char name[ASHMEM_NAME_LEN] = {0};
if (ioctl(fd, ASHMEM_GET_NAME, name) != 0) {