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#include "qplatformdefs.h"
#include <QtCore/private/qglobal_p.h>
#include "qbytearray.h"
#include "qdeadlinetimer.h"
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/select.h>
#include <sys/time.h>
#include <chrono>
#include <sys/wait.h>
#include <errno.h>
#include <fcntl.h>
#include <poll.h>

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Classes
union	qt_semun

Macros
#define	QT_EINTR_LOOP(var, cmd)
#define	QT_OPEN qt_safe_open
#define	QT_READ qt_safe_read
#define	QT_WRITE qt_safe_write
#define	QT_CLOSE qt_safe_close
#define	_POSIX_MONOTONIC_CLOCK -1

Functions
QT_BEGIN_NAMESPACE	Q_DECLARE_TYPEINFO (pollfd, Q_PRIMITIVE_TYPE)
timespec	durationToTimespec (std::chrono::nanoseconds timeout) noexcept
template<typename Duration>
Duration	timespecToChrono (timespec ts) noexcept
std::chrono::milliseconds	timespecToChronoMs (timespec ts) noexcept
constexpr timespec &	normalizedTimespec (timespec &t)
constexpr bool	operator< (const timespec &t1, const timespec &t2)
constexpr bool	operator== (const timespec &t1, const timespec &t2)
constexpr bool	operator!= (const timespec &t1, const timespec &t2)
constexpr timespec &	operator+= (timespec &t1, const timespec &t2)
constexpr timespec	operator+ (const timespec &t1, const timespec &t2)
constexpr timespec	operator- (const timespec &t1, const timespec &t2)
constexpr timespec	operator* (const timespec &t1, int mul)
timeval	timespecToTimeval (timespec ts)
timespec &	operator+= (timespec &t1, std::chrono::milliseconds msecs)
timespec &	operator+= (timespec &t1, int ms)
timespec	operator+ (const timespec &t1, std::chrono::milliseconds msecs)
timespec	operator+ (const timespec &t1, int ms)
timespec	qAbsTimespec (timespec ts)
template<clockid_t ClockId = SteadyClockClockId>
timespec	deadlineToAbstime (QDeadlineTimer deadline)
Q_CORE_EXPORT void	qt_ignore_sigpipe () noexcept
static int	qt_safe_open (const char *pathname, int flags, mode_t mode=0777)
static int	qt_safe_pipe (int pipefd[2], int flags=0)
static int	qt_safe_dup (int oldfd, int atleast=0, int flags=FD_CLOEXEC)
static int	qt_safe_dup2 (int oldfd, int newfd, int flags=FD_CLOEXEC)
static qint64	qt_safe_read (int fd, void *data, qint64 maxlen)
static qint64	qt_safe_write (int fd, const void *data, qint64 len)
static qint64	qt_safe_write_nosignal (int fd, const void *data, qint64 len)
static int	qt_safe_close (int fd)
QByteArray	qt_readlink (const char *path)
bool	qt_haveLinuxProcfs ()
Q_CORE_EXPORT int	qt_safe_poll (struct pollfd *fds, nfds_t nfds, QDeadlineTimer deadline)
static struct pollfd	qt_make_pollfd (int fd, short events)

Variables
static constexpr clockid_t	SteadyClockClockId
static constexpr clockid_t	QWaitConditionClockId
static constexpr auto	OneSecAsNsecs = std::chrono::nanoseconds(std::chrono::seconds{ 1 }).count()

Macro Definition Documentation

◆ _POSIX_MONOTONIC_CLOCK

#define _POSIX_MONOTONIC_CLOCK -1

Definition at line 410 of file qcore_unix_p.h.

◆ QT_CLOSE

#define QT_CLOSE qt_safe_close

Definition at line 375 of file qcore_unix_p.h.

◆ QT_EINTR_LOOP

#define QT_EINTR_LOOP	(		var,
			cmd )

Value:

do {                                        \
    var = cmd;                              \
} while (var == -1 && errno == EINTR)

Definition at line 60 of file qcore_unix_p.h.

◆ QT_OPEN

#define QT_OPEN qt_safe_open

Definition at line 272 of file qcore_unix_p.h.

◆ QT_READ

#define QT_READ qt_safe_read

Definition at line 351 of file qcore_unix_p.h.

◆ QT_WRITE

#define QT_WRITE qt_safe_write

Definition at line 360 of file qcore_unix_p.h.

Function Documentation

◆ deadlineToAbstime()

template<clockid_t ClockId = SteadyClockClockId>

timespec deadlineToAbstime ( QDeadlineTimer deadline )

inline

Definition at line 223 of file qcore_unix_p.h.

◆ durationToTimespec()

timespec durationToTimespec ( std::chrono::nanoseconds timeout )

inlinenoexcept

Definition at line 109 of file qcore_unix_p.h.

◆ normalizedTimespec()

timespec & normalizedTimespec ( timespec & t )

inlineconstexpr

Definition at line 133 of file qcore_unix_p.h.

Referenced by operator*(), operator+(), operator+=(), operator-(), and qAbsTimespec().

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◆ operator!=()

bool operator!=	(	const timespec &	t1,
		const timespec &	t2 )

inlineconstexpr

Definition at line 149 of file qcore_unix_p.h.

References operator==().

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◆ operator*()

timespec operator*	(	const timespec &	t1,
		int	mul )

inlineconstexpr

Definition at line 171 of file qcore_unix_p.h.

References normalizedTimespec().

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◆ operator+() [1/3]

timespec operator+	(	const timespec &	t1,
		const timespec &	t2 )

inlineconstexpr

Definition at line 157 of file qcore_unix_p.h.

References normalizedTimespec().

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◆ operator+() [2/3]

timespec operator+	(	const timespec &	t1,
		int	ms )

inline

Definition at line 205 of file qcore_unix_p.h.

◆ operator+() [3/3]

timespec operator+	(	const timespec &	t1,
		std::chrono::milliseconds	msecs )

inline

Definition at line 198 of file qcore_unix_p.h.

◆ operator+=() [1/3]

timespec & operator+=	(	timespec &	t1,
		const timespec &	t2 )

inlineconstexpr

Definition at line 151 of file qcore_unix_p.h.

References normalizedTimespec().

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◆ operator+=() [2/3]

timespec & operator+=	(	timespec &	t1,
		int	ms )

inline

Definition at line 192 of file qcore_unix_p.h.

◆ operator+=() [3/3]

timespec & operator+=	(	timespec &	t1,
		std::chrono::milliseconds	msecs )

inline

Definition at line 186 of file qcore_unix_p.h.

◆ operator-()

timespec operator-	(	const timespec &	t1,
		const timespec &	t2 )

inlineconstexpr

Definition at line 164 of file qcore_unix_p.h.

References normalizedTimespec().

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◆ operator<()

bool operator<	(	const timespec &	t1,
		const timespec &	t2 )

inlineconstexpr

Definition at line 145 of file qcore_unix_p.h.

◆ operator==()

bool operator==	(	const timespec &	t1,
		const timespec &	t2 )

inlineconstexpr

Definition at line 147 of file qcore_unix_p.h.

Referenced by operator!=().

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◆ Q_DECLARE_TYPEINFO()

QT_BEGIN_NAMESPACE Q_DECLARE_TYPEINFO	(	pollfd	,
		Q_PRIMITIVE_TYPE	)

◆ qAbsTimespec()

timespec qAbsTimespec ( timespec ts )

inline

Definition at line 210 of file qcore_unix_p.h.

References normalizedTimespec().

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◆ qt_haveLinuxProcfs()

bool qt_haveLinuxProcfs ( )

inline

Definition at line 416 of file qcore_unix_p.h.

◆ qt_ignore_sigpipe()

Q_CORE_EXPORT void qt_ignore_sigpipe ( )

noexcept

Definition at line 24 of file qcore_unix.cpp.

◆ qt_make_pollfd()

struct pollfd qt_make_pollfd	(	int	fd,
		short	events )

inlinestatic

Definition at line 432 of file qcore_unix_p.h.

◆ qt_readlink()

QByteArray qt_readlink ( const char * path )

Definition at line 39 of file qcore_unix.cpp.

◆ qt_safe_close()

int qt_safe_close ( int fd )

inlinestatic

Definition at line 368 of file qcore_unix_p.h.

◆ qt_safe_dup()

int qt_safe_dup	(	int	oldfd,
		int	atleast = 0,
		int	flags = FD_CLOEXEC )

inlinestatic

Definition at line 303 of file qcore_unix_p.h.

◆ qt_safe_dup2()

int qt_safe_dup2	(	int	oldfd,
		int	newfd,
		int	flags = FD_CLOEXEC )

inlinestatic

Definition at line 324 of file qcore_unix_p.h.

◆ qt_safe_open()

int qt_safe_open	(	const char *	pathname,
		int	flags,
		mode_t	mode = 0777 )

inlinestatic

Definition at line 256 of file qcore_unix_p.h.

◆ qt_safe_pipe()

int qt_safe_pipe	(	int	pipefd[2],
		int	flags = 0 )

inlinestatic

Definition at line 276 of file qcore_unix_p.h.

◆ qt_safe_poll()

Q_CORE_EXPORT int qt_safe_poll	(	struct pollfd *	fds,
		nfds_t	nfds,
		QDeadlineTimer	deadline )

Behaves as close to POSIX poll(2) as practical but may be implemented using select(2) where necessary. In that case, returns -1 and sets errno to EINVAL if passed any descriptor greater than or equal to FD_SETSIZE.

Definition at line 122 of file qcore_unix.cpp.

References qt_ppoll().

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◆ qt_safe_read()

qint64 qt_safe_read	(	int	fd,
		void *	data,
		qint64	maxlen )

inlinestatic

Definition at line 344 of file qcore_unix_p.h.

◆ qt_safe_write()

qint64 qt_safe_write	(	int	fd,
		const void *	data,
		qint64	len )

inlinestatic

Definition at line 353 of file qcore_unix_p.h.

◆ qt_safe_write_nosignal()

qint64 qt_safe_write_nosignal	(	int	fd,
		const void *	data,
		qint64	len )

inlinestatic

Definition at line 362 of file qcore_unix_p.h.

◆ timespecToChrono()

template<typename Duration>

Duration timespecToChrono ( timespec ts )

inlinenoexcept

Definition at line 121 of file qcore_unix_p.h.

◆ timespecToChronoMs()

std::chrono::milliseconds timespecToChronoMs ( timespec ts )

inlinenoexcept

Definition at line 127 of file qcore_unix_p.h.

◆ timespecToTimeval()

timeval timespecToTimeval ( timespec ts )

inline

Definition at line 178 of file qcore_unix_p.h.

Referenced by qt_poll().

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Variable Documentation

◆ OneSecAsNsecs

auto OneSecAsNsecs = std::chrono::nanoseconds(std::chrono::seconds{ 1 }).count()

staticconstexpr

Definition at line 107 of file qcore_unix_p.h.

◆ QWaitConditionClockId

clockid_t QWaitConditionClockId

inlinestaticconstexpr

Initial value:

                                                =
 
CLOCK_REALTIME

Definition at line 92 of file qcore_unix_p.h.

◆ SteadyClockClockId

clockid_t SteadyClockClockId

inlinestaticconstexpr

Initial value:

                                             =
 
CLOCK_REALTIME

Definition at line 69 of file qcore_unix_p.h.

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Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ _POSIX_MONOTONIC_CLOCK

◆ QT_CLOSE

◆ QT_EINTR_LOOP

◆ QT_OPEN

◆ QT_READ

◆ QT_WRITE

Function Documentation

◆ deadlineToAbstime()

◆ durationToTimespec()

◆ normalizedTimespec()

◆ operator!=()

◆ operator*()

◆ operator+() [1/3]

◆ operator+() [2/3]

◆ operator+() [3/3]

◆ operator+=() [1/3]

◆ operator+=() [2/3]

◆ operator+=() [3/3]

◆ operator-()

◆ operator<()

◆ operator==()

◆ Q_DECLARE_TYPEINFO()

◆ qAbsTimespec()

◆ qt_haveLinuxProcfs()

◆ qt_ignore_sigpipe()

◆ qt_make_pollfd()

◆ qt_readlink()

◆ qt_safe_close()

◆ qt_safe_dup()

◆ qt_safe_dup2()

◆ qt_safe_open()

◆ qt_safe_pipe()

◆ qt_safe_poll()

◆ qt_safe_read()

◆ qt_safe_write()

◆ qt_safe_write_nosignal()

◆ timespecToChrono()

◆ timespecToChronoMs()

◆ timespecToTimeval()

Variable Documentation

◆ OneSecAsNsecs

◆ QWaitConditionClockId

◆ SteadyClockClockId