HumanRender/human_render/Ipc/libipc/sync/semaphore.cpp
2024-12-22 23:24:02 +08:00

72 lines
1.5 KiB
C++

#include "libipc/semaphore.h"
#include "libipc/utility/pimpl.h"
#include "libipc/utility/log.h"
#include "libipc/memory/resource.h"
#include "libipc/platform/detail.h"
#if defined(IPC_OS_WINDOWS_)
#include "libipc/platform/win/semaphore.h"
#elif defined(IPC_OS_LINUX_) || defined(IPC_OS_QNX_)
#include "libipc/platform/posix/semaphore_impl.h"
#else/*IPC_OS*/
# error "Unsupported platform."
#endif
namespace ipc {
namespace sync {
class semaphore::semaphore_ : public ipc::pimpl<semaphore_> {
public:
ipc::detail::sync::semaphore sem_;
};
semaphore::semaphore()
: p_(p_->make()) {
}
semaphore::semaphore(char const * name, std::uint32_t count)
: semaphore() {
open(name, count);
}
semaphore::~semaphore() {
close();
p_->clear();
}
void const *semaphore::native() const noexcept {
return impl(p_)->sem_.native();
}
void *semaphore::native() noexcept {
return impl(p_)->sem_.native();
}
bool semaphore::valid() const noexcept {
return impl(p_)->sem_.valid();
}
bool semaphore::open(char const *name, std::uint32_t count) noexcept {
if (!is_valid_string(name)) {
ipc::error("fail semaphore open: name is empty\n");
return false;
}
return impl(p_)->sem_.open(name, count);
}
void semaphore::close() noexcept {
impl(p_)->sem_.close();
}
bool semaphore::wait(std::uint64_t tm) noexcept {
return impl(p_)->sem_.wait(tm);
}
bool semaphore::post(std::uint32_t count) noexcept {
return impl(p_)->sem_.post(count);
}
} // namespace sync
} // namespace ipc