tmpFile Class Reference

Inheritance diagram for tmpFile:

Collaboration diagram for tmpFile:

Public Member Functions
	tmpFile ()
void	execute (const std::vector< std::string > &remainingOptions) override
Public Member Functions inherited from baseTest
	baseTest (const std::string &aName, const std::string &aDescription, const decltype(parameters)&aParameters, const decltype(options)&aOptions={})
void	ensuredWrite (int fd, const std::string &data)
void	ensuredRead (int fd, std::string &data)
void	Execute (const std::vector< std::string > &remainingOptions)

Additional Inherited Members
Static Public Member Functions inherited from baseTest
static std::map< std::string, baseTest * > &	getList ()
static void	setUpOptions ()
static const std::string &	getDescriptions ()
Protected Attributes inherited from baseTest
std::string	name
std::string	description
std::list< std::pair< std::string, std::string > >	parameters
std::list< std::pair< options::base &, std::string > >	options
std::set< std::string >	createdFiles
Static Protected Attributes inherited from baseTest
static options::single< unsigned int >	repeat
static options::single< bool >	cleanup
static options::single< bool >	urandom
static options::single< bool >	einsZweiDrei
static options::single< std::string >	contentFile
static options::single< size_t >	size
static options::single< unsigned int >	blocks
static options::single< std::string >	content
static options::single< bool >	truncate
static options::single< std::chrono::duration< double > >	time
static options::single< unsigned long >	syncus
static options::single< unsigned long >	skewus
static std::string	descriptions = "\npossible actions and their parameters:\n"

Detailed Description

Definition at line 271 of file fileOpsTests.cpp.

Constructor & Destructor Documentation

tmpFile()

tmpFile::tmpFile ( )

inline

Definition at line 273 of file fileOpsTests.cpp.

             : baseTest("tmpFile",
                            "create a file via O_TMPFILE", {
        {"dir", "directory to create the file in"},
        {"file", "path to the file to create"}
    }) {};

Member Function Documentation

execute()

void tmpFile::execute ( const std::vector< std::string > &  remainingOptions )

inlineoverridevirtual

Implements baseTest.

Definition at line 278 of file fileOpsTests.cpp.

                                                                        {
        auto dir = remainingOptions.at(0);
        auto file = remainingOptions.at(1);
        auto result = unlink(file.c_str());
        if (result == -1 && errno != ENOENT) {
            throwcall::good0(result, "unlink ", file);
        }
        auto fd = throwcall::badval(open(dir.c_str(), O_TMPFILE | O_WRONLY, 0777), -1,
                                    "open anonymous file in ", dir);
        ensuredWrite(fd, content);
        std::string path("/proc/self/fd/");
        path += std::to_string(fd);
        throwcall::good0(linkat(AT_FDCWD, path.c_str(), AT_FDCWD, file.c_str(), AT_SYMLINK_FOLLOW),
                         "link ", path, " to ", file);
        throwcall::good0(close(fd), "close ", file);
        createdFiles.emplace(file);
    }

References throwcall::badval(), baseTest::content, baseTest::createdFiles, baseTest::ensuredWrite(), and throwcall::good0().

Here is the call graph for this function:

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

• src/fileOpsTests.cpp (v0.19-24-g0617ca1 with changes)