qcore_unix.cpp File Reference

(f96a17225f088a5790655c01eaab9578c81a19f2)

#include <QtCore/private/qglobal_p.h>
#include <QtCore/qbasicatomic.h>
#include "qcore_unix_p.h"
#include <stdlib.h>

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Macros
#define	PATH_MAX   1024*1024

Functions
QT_BEGIN_NAMESPACE void	qt_ignore_sigpipe () noexcept
QByteArray	qt_readlink (const char *path)
static int	timespecToMillisecs (const struct timespec *ts)
int	qt_poll (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout_ts)
static int	qt_ppoll (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout_ts)
int	qt_safe_poll (struct pollfd *fds, nfds_t nfds, QDeadlineTimer deadline)

Macro Definition Documentation

PATH_MAX

#define PATH_MAX   1024*1024

Function Documentation

qt_ignore_sigpipe()

QT_BEGIN_NAMESPACE void qt_ignore_sigpipe ( )

noexcept

Definition at line 23 of file qcore_unix.cpp.

References Q_BASIC_ATOMIC_INITIALIZER.

Referenced by qt_safe_sendmsg(), and qt_safe_write_nosignal().

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qt_poll()

int qt_poll	(	struct pollfd *	fds,
		nfds_t	nfds,
		const struct timespec *	timeout_ts )

Definition at line 136 of file qpoll.cpp.

References forever, i, QT_POLL_EVENTS_MASK, qt_poll_is_bad_fd(), qt_poll_mark_bad_fds(), qt_poll_prepare(), qt_poll_sweep(), ret, select(), and timespecToTimeval().

Referenced by qt_ppoll().

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qt_ppoll()

static int qt_ppoll ( struct pollfd * fds, nfds_t nfds, const struct timespec * timeout_ts )

inlinestatic

Definition at line 100 of file qcore_unix.cpp.

References qt_poll(), and timespecToMillisecs().

Referenced by qt_safe_poll().

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qt_readlink()

QByteArray qt_readlink

(

const char *

path

)

Definition at line 38 of file qcore_unix.cpp.

References PATH_MAX, QByteArray(), and Qt::Uninitialized.

Referenced by QFileSystemEngine::getLinkTarget(), QFileSystemEngine::getRawLinkPath(), QLockFilePrivate::processNameByPid(), and qAppFileName().

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qt_safe_poll()

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 121 of file qcore_unix.cpp.

References deadline, durationToTimespec(), QDeadlineTimer::isForever(), QT_EINTR_LOOP, qt_ppoll(), QDeadlineTimer::remainingTimeAsDuration(), and ret.

Referenced by QNativeSocketEnginePrivate::nativeSelect(), and QEventDispatcherUNIX::processEvents().

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timespecToMillisecs()

static int timespecToMillisecs ( const struct timespec * ts )

inlinestatic

Definition at line 88 of file qcore_unix.cpp.

Referenced by qt_ppoll().

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