qcore_unix.cpp File Reference

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

Include dependency graph for qcore_unix.cpp:

Go to the source code of this file.

Macros
#define	PATH_MAX   1024*1024

Functions
QT_BEGIN_NAMESPACE QByteArray	qt_readlink (const char *path)
static void	do_gettime (qint64 *sec, qint64 *frac)
struct timespec	qt_gettime () noexcept
static bool	time_update (struct timespec *tv, const struct timespec &start, const struct timespec &timeout)
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, const struct timespec *timeout_ts)

Macro Definition Documentation

PATH_MAX

#define PATH_MAX   1024*1024

Function Documentation

do_gettime()

static void do_gettime ( qint64 *  sec, qint64 *  frac  )

inlinestatic

Definition at line 68 of file qcore_unix.cpp.

Referenced by qt_gettime().

Here is the caller graph for this function:

qt_gettime()

struct timespec qt_gettime ( )

noexcept

Definition at line 84 of file qcore_unix.cpp.

References do_gettime().

Referenced by qt_safe_poll(), and time_update().

Here is the call graph for this function:

Here is the caller graph for this function:

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().

Here is the call graph for this function:

Here is the caller graph for this function:

qt_ppoll()

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

inlinestatic

Definition at line 121 of file qcore_unix.cpp.

References qt_poll().

Referenced by qt_safe_poll().

Here is the call graph for this function:

Here is the caller graph for this function:

qt_readlink()

QT_BEGIN_NAMESPACE QByteArray qt_readlink

(

const char *

path

)

Definition at line 23 of file qcore_unix.cpp.

References PATH_MAX, and Qt::Uninitialized.

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

Here is the caller graph for this function:

qt_safe_poll()

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

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 142 of file qcore_unix.cpp.

References EINTR_LOOP, forever, qt_gettime(), qt_ppoll(), ret, and time_update().

Referenced by QEventDispatcherUNIX::processEvents(), and qt_poll_msecs().

Here is the call graph for this function:

Here is the caller graph for this function:

time_update()

static bool time_update ( struct timespec *  tv, const struct timespec &  start, const struct timespec &  timeout  )

inlinestatic

Definition at line 100 of file qcore_unix.cpp.

References now, and qt_gettime().

Referenced by qt_safe_poll().

Here is the call graph for this function:

Here is the caller graph for this function: