Slic3r::NativeFileLock Class Reference

Public Member Functions
	NativeFileLock (const char *path)
	~NativeFileLock ()
bool	try_lock ()
void	unlock ()

Private Attributes
int	m_fd

Detailed Description

Constructor & Destructor Documentation

NativeFileLock()

Slic3r::NativeFileLock::NativeFileLock ( const char * path )

inlineexplicit

                                              : m_fd(::open(path, O_RDWR | O_CREAT | O_CLOEXEC, 0644))
    {
        if (m_fd < 0)
            throw std::system_error(errno, std::generic_category(), path);
    }

References m_fd.

~NativeFileLock()

Slic3r::NativeFileLock::~NativeFileLock ( )

inline

{ ::close(m_fd); }

References m_fd.

Member Function Documentation

try_lock()

bool Slic3r::NativeFileLock::try_lock ( )

inline

    {
        if (::flock(m_fd, LOCK_EX | LOCK_NB) == 0)
            return true;
        // A signal (a child exiting, for one) interrupts the call like any other; the caller polls again.
        if (errno == EWOULDBLOCK || errno == EINTR)
            return false;
        throw std::system_error(errno, std::generic_category(), "flock");
    }

References m_fd.

unlock()

void Slic3r::NativeFileLock::unlock ( )

inline

{ ::flock(m_fd, LOCK_UN); }

References m_fd.

Member Data Documentation

m_fd

int Slic3r::NativeFileLock::m_fd

private

Referenced by NativeFileLock(), ~NativeFileLock(), try_lock(), and unlock().

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The documentation for this class was generated from the following file:

• /home/runner/work/OrcaSlicer/OrcaSlicer/src/libslic3r/InstanceLock.cpp