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补充遗漏的初始化

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mutouyun 2023-02-11 18:25:23 +08:00 committed by 木头云
parent 162011d4b4
commit 2a2b626210
1 changed files with 7 additions and 2 deletions
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9
src/libipc/platform/posix/mutex.h
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@ -80,12 +80,18 @@ class mutex {
} }
} }
static pthread_mutex_t const &zero_mem() {
static const pthread_mutex_t tmp{};
return tmp;
}
public: public:
mutex() = default; mutex() = default;
~mutex() = default; ~mutex() = default;
static void init() { static void init() {
// Avoid exception problems caused by static member initialization order. // Avoid exception problems caused by static member initialization order.
zero_mem();
curr_prog::get(); curr_prog::get();
} }
@ -98,9 +104,8 @@ public:
} }
bool valid() const noexcept { bool valid() const noexcept {
static const char tmp[sizeof(pthread_mutex_t)] {};
return (shm_ != nullptr) && (ref_ != nullptr) && (mutex_ != nullptr) return (shm_ != nullptr) && (ref_ != nullptr) && (mutex_ != nullptr)
&& (std::memcmp(tmp, mutex_, sizeof(pthread_mutex_t)) != 0); && (std::memcmp(&zero_mem(), mutex_, sizeof(pthread_mutex_t)) != 0);
} }
bool open(char const *name) noexcept { bool open(char const *name) noexcept {