#include "qplatformdefs.h"
#include "qatomic.h"
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/wait.h>
#include <errno.h>
#include <fcntl.h>

Classes
union	qt_semun

Macros
#define	_POSIX_MONOTONIC_CLOCK -1

#define	EINTR_LOOP(var, cmd)

#define	QT_CLOSE qt_safe_close

#define	QT_OPEN qt_safe_open

#define	QT_READ qt_safe_read

#define	QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC 0

#define	QT_WRITE qt_safe_write

Functions
timeval &	normalizedTimeval (timeval &t)

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

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

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

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

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

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

timeval	qt_gettime ()

void	qt_ignore_sigpipe ()

static int	qt_safe_close (int fd)

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 int	qt_safe_execv (const char path, char const argv[])

static int	qt_safe_execve (const char filename, char const argv[], char *const envp[])

static int	qt_safe_execvp (const char file, char const argv[])

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

Q_CORE_EXPORT int	qt_safe_select (int nfds, fd_set fdread, fd_set fdwrite, fd_set fdexcept, const struct timeval tv)

static pid_t	qt_safe_waitpid (pid_t pid, int *status, int options)

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)

Macro Definition Documentation

◆ _POSIX_MONOTONIC_CLOCK

#define _POSIX_MONOTONIC_CLOCK -1

Definition at line 343 of file qcore_unix_p.h.

◆ EINTR_LOOP

#define EINTR_LOOP	(	var,
		cmd
	)

Value:

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

Definition at line 96 of file qcore_unix_p.h.

Referenced by QWSSharedMemory::attach(), QSharedMemoryPrivate::attach(), QWSSharedMemory::create(), QSharedMemoryPrivate::create(), QWSLock::down(), QLock::lock(), QSystemSemaphorePrivate::modifySemaphore(), QProcessPrivate::processStarted(), qt_safe_close(), qt_safe_connect(), qt_safe_dup2(), qt_safe_execv(), qt_safe_execve(), qt_safe_execvp(), qt_safe_open(), qt_safe_read(), qt_safe_select(), qt_safe_sendto(), qt_safe_waitpid(), qt_safe_write(), QKqueueFileSystemWatcherEngine::run(), QLock::unlock(), and QWSLock::up().

◆ QT_CLOSE

#define QT_CLOSE qt_safe_close

Definition at line 304 of file qcore_unix_p.h.

Referenced by QFontDatabasePrivate::addQPF2File(), QTransportAuth::authorizeRequest(), QFontEngineQPF::cleanUpAfterClientCrash(), closeAllOpenFds(), QFSFileEnginePrivate::closeFdFh(), QWSPcMouseSubHandler::closeIfNot(), QLinuxFbIntegrationPrivate::closeTty(), QLinuxFbScreenPrivate::closeTty(), QUnixSocket::connect(), QUnixSocketPrivate::flushAncillary(), QFSFileEnginePrivate::nativeOpen(), QFontEngineQPF1::QFontEngineQPF1(), qt_safe_close(), QFSFileEngine::~QFSFileEngine(), QLinuxInputKeyboardHandler::~QLinuxInputKeyboardHandler(), QLinuxInputMouseHandler::~QLinuxInputMouseHandler(), QLock::~QLock(), QQnxMouseHandler::~QQnxMouseHandler(), QUnixSocketRightsPrivate::~QUnixSocketRightsPrivate(), QVFbKeyboardHandler::~QVFbKeyboardHandler(), QVFbMouseHandler::~QVFbMouseHandler(), QVFbScreenKeyboardHandler::~QVFbScreenKeyboardHandler(), QVFbScreenMouseHandler::~QVFbScreenMouseHandler(), QWSLinuxInputKbPrivate::~QWSLinuxInputKbPrivate(), QWSLinuxInputMousePrivate::~QWSLinuxInputMousePrivate(), QWSLinuxTPMouseHandlerPrivate::~QWSLinuxTPMouseHandlerPrivate(), QWSQnxKeyboardHandler::~QWSQnxKeyboardHandler(), QWSTtyKbPrivate::~QWSTtyKbPrivate(), and QWSUmKeyboardHandlerPrivate::~QWSUmKeyboardHandlerPrivate().

◆ QT_OPEN

#define QT_OPEN qt_safe_open

Definition at line 186 of file qcore_unix_p.h.

Referenced by QFontDatabasePrivate::addQPF2File(), QTransportAuth::authorizeRequest(), QFontEngineQPF::cleanUpAfterClientCrash(), QLinuxFbScreen::connect(), QLinuxFbIntegration::connect(), createFileFromTemplate(), QTranslatorPrivate::do_load(), QLinuxFbScreen::initDevice(), QLinuxFbIntegration::initDevice(), QFSFileEnginePrivate::nativeOpen(), QWSSoundServerPrivate::openDevice(), QWSPcMouseHandlerPrivate::openDevices(), QWSSoundServerPrivate::openFile(), QLinuxFbIntegrationPrivate::openTty(), QLinuxFbScreenPrivate::openTty(), QFontEngineQPF::QFontEngineQPF(), QFontEngineQPF1::QFontEngineQPF1(), QLinuxInputKeyboardHandler::QLinuxInputKeyboardHandler(), QLinuxInputMouseHandler::QLinuxInputMouseHandler(), QLock::QLock(), QQnxMouseHandler::QQnxMouseHandler(), qt_safe_open(), QVFbKeyboardHandler::QVFbKeyboardHandler(), QVFbMouseHandler::QVFbMouseHandler(), QVFbScreenKeyboardHandler::QVFbScreenKeyboardHandler(), QVFbScreenMouseHandler::QVFbScreenMouseHandler(), QWSLinuxInputKbPrivate::QWSLinuxInputKbPrivate(), QWSLinuxInputMousePrivate::QWSLinuxInputMousePrivate(), QWSLinuxTPMouseHandlerPrivate::QWSLinuxTPMouseHandlerPrivate(), QWSQnxKeyboardHandler::QWSQnxKeyboardHandler(), QWSTtyKbPrivate::QWSTtyKbPrivate(), QWSUmKeyboardHandlerPrivate::QWSUmKeyboardHandlerPrivate(), and QDynamicFileResourceRoot::registerSelf().

◆ QT_READ

#define QT_READ qt_safe_read

Definition at line 280 of file qcore_unix_p.h.

Referenced by QTransportAuth::authorizeRequest(), QWSPcMouseSubHandler_intellimouse::init(), QWSPcMouseSubHandler_mouseman::init(), QFontEngineQPF1::QFontEngineQPF1(), qt_safe_read(), QVFbKeyboardHandler::QVFbKeyboardHandler(), QVFbMouseHandler::QVFbMouseHandler(), QVFbScreenKeyboardHandler::QVFbScreenKeyboardHandler(), QVFbScreenMouseHandler::QVFbScreenMouseHandler(), QWSUmKeyboardHandlerPrivate::QWSUmKeyboardHandlerPrivate(), QFSFileEnginePrivate::readFdFh(), QVFbKeyboardHandler::readKeyboardData(), QWSUmKeyboardHandlerPrivate::readKeyboardData(), QVFbScreenKeyboardHandler::readKeyboardData(), QWSLinuxInputKbPrivate::readKeycode(), QWSTtyKbPrivate::readKeycode(), QLinuxInputKeyboardHandler::readKeycode(), QLinuxInputMouseHandler::readMouseData(), QWSLinuxInputMousePrivate::readMouseData(), QVFbMouseHandler::readMouseData(), QWSLinuxTPMouseHandlerPrivate::readMouseData(), QVFbScreenMouseHandler::readMouseData(), QWSQnxKeyboardHandler::socketActivated(), and QQnxMouseHandler::socketActivated().

◆ QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC

#define QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC 0

Definition at line 93 of file qcore_unix_p.h.

◆ QT_WRITE

#define QT_WRITE qt_safe_write

Definition at line 289 of file qcore_unix_p.h.

Referenced by QLinuxFbIntegrationPrivate::closeTty(), QLinuxFbScreenPrivate::closeTty(), QWSPcMouseSubHandler_intellimouse::init(), QWSPcMouseSubHandler_mouseman::init(), QWSPcMouseSubHandler_mousesystems::init(), QWSPcMouseSubHandler_ms::init(), QWSPcMouseSubHandler_serial::initSerial(), QFontEngineQPF::loadGlyph(), QLinuxFbIntegrationPrivate::openTty(), QLinuxFbScreenPrivate::openTty(), QFontEngineQPF::QFontEngineQPF(), qt_safe_write(), QWSLinuxInputKbPrivate::switchLed(), QLinuxInputKeyboardHandler::switchLed(), and QFSFileEnginePrivate::writeFdFh().

Function Documentation

◆ normalizedTimeval()

timeval& normalizedTimeval ( timeval & t )

inline

Definition at line 104 of file qcore_unix_p.h.

Referenced by operator*(), operator+(), operator+=(), operator-(), and QTimerInfoList::updateCurrentTime().

 {
     while (t.tv_usec > 1000000l) {
         ++t.tv_sec;
         t.tv_usec -= 1000000l;
     }
     while (t.tv_usec < 0l) {
         --t.tv_sec;
         t.tv_usec += 1000000l;
     }
     return t;
 }

◆ operator*()

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

inline

Definition at line 140 of file qcore_unix_p.h.

Referenced by QVector< QPoint >::constData().

 {
     timeval tmp;
     tmp.tv_sec = t1.tv_sec * mul;
     tmp.tv_usec = t1.tv_usec * mul;
     return normalizedTimeval(tmp);
 }

◆ operator+()

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

inline

Definition at line 126 of file qcore_unix_p.h.

Referenced by QVector< QPoint >::constData(), qargb8565::ialpha(), qargb8555::ialpha(), qargb6666::ialpha(), qrgb666::ialpha(), qrgb888::ialpha(), qrgb555::operator quint16(), operator%(), QLinkedList< T >::iterator::operator-(), QLinkedList< T >::const_iterator::operator-(), QMap< Key, T >::iterator::operator-(), QMap< Key, T >::const_iterator::operator-(), QHash< Key, T >::iterator::operator-(), QHash< Key, T >::const_iterator::operator-(), qargb4444::qargb4444(), qrgb444::qrgb444(), qrgb565::qrgb565(), QPainterPath::swap(), QLinkedList< JSC::Identifier >::toStdList(), and QRegion::xored().

 {
     timeval tmp;
     tmp.tv_sec = t1.tv_sec + t2.tv_sec;
     tmp.tv_usec = t1.tv_usec + t2.tv_usec;
     return normalizedTimeval(tmp);
 }

◆ operator+=()

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

inline

Definition at line 120 of file qcore_unix_p.h.

Referenced by QVector< QPoint >::back(), QScriptLine::base(), QVector< QPoint >::constData(), QByteArray::isSharedWith(), QString::isSimpleText(), QItemSelection::merge(), QMatrix4x4::QMatrix4x4(), QTransform::QTransform(), QPainterPath::swap(), QLinkedList< JSC::Identifier >::toStdList(), and QRegion::xored().

 {
     t1.tv_sec += t2.tv_sec;
     t1.tv_usec += t2.tv_usec;
     return normalizedTimeval(t1);
 }

◆ operator-()

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

inline

Definition at line 133 of file qcore_unix_p.h.

Referenced by QVector< QPoint >::constData(), QPainterPath::swap(), and QRegion::xored().

 {
     timeval tmp;
     tmp.tv_sec = t1.tv_sec - (t2.tv_sec - 1);
     tmp.tv_usec = t1.tv_usec - (t2.tv_usec + 1000000);
     return normalizedTimeval(tmp);
 }

◆ operator<()

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

inline

Definition at line 116 of file qcore_unix_p.h.

117 { return t1.tv_sec < t2.tv_sec || (t1.tv_sec == t2.tv_sec && t1.tv_usec < t2.tv_usec); }

◆ operator==()

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

inline

Definition at line 118 of file qcore_unix_p.h.

119 { return t1.tv_sec == t2.tv_sec && t1.tv_usec == t2.tv_usec; }

◆ qt_gettime()

timeval qt_gettime ( )

Definition at line 74 of file qelapsedtimer_mac.cpp.

Referenced by qt_safe_select(), QTimerInfoList::QTimerInfoList(), QEventDispatcherBlackberry::select(), time_update(), and QTimerInfoList::updateCurrentTime().

 {
     timeval tv;
 
     uint64_t cpu_time = mach_absolute_time();
     uint64_t nsecs = absoluteToNSecs(cpu_time);
     tv.tv_sec = nsecs / 1000000000ull;
     tv.tv_usec = (nsecs / 1000) - (tv.tv_sec * 1000000);
     return tv;
 }

◆ qt_ignore_sigpipe()

void qt_ignore_sigpipe ( )

inline

Definition at line 148 of file qcore_unix_p.h.

Referenced by qt_safe_sendto(), and qt_safe_write_nosignal().

 {
 #ifndef Q_NO_POSIX_SIGNALS
     // Set to ignore SIGPIPE once only.
     static QBasicAtomicInt atom = Q_BASIC_ATOMIC_INITIALIZER(0);
     if (!atom) {
         // More than one thread could turn off SIGPIPE at the same time
         // But that's acceptable because they all would be doing the same
         // action
         struct sigaction noaction;
         memset(&noaction, 0, sizeof(noaction));
         noaction.sa_handler = SIG_IGN;
         ::sigaction(SIGPIPE, &noaction, 0);
         atom = 1;
     }
 #else
     // Posix signals are not supported by the underlying platform
     // so we don't need to ignore sigpipe signal explicitly
 #endif
 }

◆ qt_safe_close()

static int qt_safe_close ( int fd )

inlinestatic

Definition at line 297 of file qcore_unix_p.h.

Referenced by QSharedMemoryPrivate::cleanHandle(), QBBButtonEventNotifier::close(), QSharedMemoryPrivate::create(), QSharedMemoryPrivate::createUnixKeyFile(), QProcessPrivate::destroyPipe(), QWSSharedMemory::detach(), detectProcessorFeatures(), QProcessPrivate::execChild(), QDBusUnixFileDescriptor::giveFileDescriptor(), QNativeSocketEnginePrivate::nativeClose(), QProcessPrivate::processStarted(), qt_create_pipe(), QDnotifyFileSystemWatcherEngine::refresh(), QDnotifyFileSystemWatcherEngine::removePaths(), QProcessPrivate::startDetached(), QProcessPrivate::startProcess(), QBBNavigatorEventNotifier::~QBBNavigatorEventNotifier(), QBBSystemLocaleData::~QBBSystemLocaleData(), QDBusUnixFileDescriptorPrivate::~QDBusUnixFileDescriptorPrivate(), QDnotifyFileSystemWatcherEngine::~QDnotifyFileSystemWatcherEngine(), and QProcessManager::~QProcessManager().

 {
     register int ret;
     EINTR_LOOP(ret, QT_CLOSE(fd));
     return ret;
 }

◆ qt_safe_dup()

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

inlinestatic

Definition at line 227 of file qcore_unix_p.h.

Referenced by QDnotifyFileSystemWatcherEngine::addPaths(), QUnixSocketRights::dupFd(), QUnixSocketRights::QUnixSocketRights(), and QDBusUnixFileDescriptor::setFileDescriptor().

 {
     Q_ASSERT(flags == FD_CLOEXEC || flags == 0);
 
     register int ret;
 #ifdef F_DUPFD_CLOEXEC
     // use this fcntl
     if (flags & FD_CLOEXEC) {
         ret = ::fcntl(oldfd, F_DUPFD_CLOEXEC, atleast);
         if (ret != -1 || errno != EINVAL)
             return ret;
     }
 #endif
 
     // use F_DUPFD
     ret = ::fcntl(oldfd, F_DUPFD, atleast);
 
     if (flags && ret != -1)
         ::fcntl(ret, F_SETFD, flags);
     return ret;
 }

◆ qt_safe_dup2()

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

inlinestatic

Definition at line 251 of file qcore_unix_p.h.

Referenced by QProcessPrivate::execChild().

 {
     Q_ASSERT(flags == FD_CLOEXEC || flags == 0);
 
     register int ret;
 #if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC && defined(O_CLOEXEC)
     // use dup3
     if (flags & FD_CLOEXEC) {
         EINTR_LOOP(ret, ::dup3(oldfd, newfd, O_CLOEXEC));
         if (ret == 0 || errno != ENOSYS)
             return ret;
     }
 #endif
     EINTR_LOOP(ret, ::dup2(oldfd, newfd));
     if (ret == -1)
         return -1;
 
     if (flags)
         ::fcntl(newfd, F_SETFD, flags);
     return 0;
 }

◆ qt_safe_execv()

static int qt_safe_execv	(	const char *	path,
		char *const	argv[]
	)

inlinestatic

Definition at line 317 of file qcore_unix_p.h.

Referenced by QProcessPrivate::startDetached().

 {
     register int ret;
     EINTR_LOOP(ret, ::execv(path, argv));
     return ret;
 }

◆ qt_safe_execve()

static int qt_safe_execve	(	const char *	filename,
		char *const	argv[],
		char *const	envp[]
	)

inlinestatic

Definition at line 309 of file qcore_unix_p.h.

Referenced by QProcessPrivate::execChild().

 {
     register int ret;
     EINTR_LOOP(ret, ::execve(filename, argv, envp));
     return ret;
 }

◆ qt_safe_execvp()

static int qt_safe_execvp	(	const char *	file,
		char *const	argv[]
	)

inlinestatic

Definition at line 324 of file qcore_unix_p.h.

Referenced by QProcessPrivate::execChild().

 {
     register int ret;
     EINTR_LOOP(ret, ::execvp(file, argv));
     return ret;
 }

◆ qt_safe_open()

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

inlinestatic

Definition at line 171 of file qcore_unix_p.h.

Referenced by QKqueueFileSystemWatcherEngine::addPaths(), QProcessPrivate::createChannel(), QSharedMemoryPrivate::createUnixKeyFile(), detectProcessorFeatures(), QBBSystemLocaleData::QBBSystemLocaleData(), QBBNavigatorEventNotifier::start(), and QBBButtonEventNotifier::start().

 {
 #ifdef O_CLOEXEC
     flags |= O_CLOEXEC;
 #endif
     register int fd;
     EINTR_LOOP(fd, QT_OPEN(pathname, flags, mode));
 
     // unknown flags are ignored, so we have no way of verifying if
     // O_CLOEXEC was accepted
     if (fd != -1)
         ::fcntl(fd, F_SETFD, FD_CLOEXEC);
     return fd;
 }

◆ qt_safe_pipe()

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

inlinestatic

Definition at line 191 of file qcore_unix_p.h.

Referenced by QPdfBaseEnginePrivate::openPrintDevice(), QDnotifySignalThread::QDnotifySignalThread(), QEventDispatcherUNIXPrivate::QEventDispatcherUNIXPrivate(), QProcessManager::QProcessManager(), qt_create_pipe(), and QProcessPrivate::startDetached().

 {
 #ifdef O_CLOEXEC
     Q_ASSERT((flags & ~(O_CLOEXEC | O_NONBLOCK)) == 0);
 #else
     Q_ASSERT((flags & ~O_NONBLOCK) == 0);
 #endif
 
     register int ret;
 #if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC && defined(O_CLOEXEC)
     // use pipe2
     flags |= O_CLOEXEC;
     ret = ::pipe2(pipefd, flags); // pipe2 is Linux-specific and is documented not to return EINTR
     if (ret == 0 || errno != ENOSYS)
         return ret;
 #endif
 
     ret = ::pipe(pipefd);
     if (ret == -1)
         return -1;
 
     ::fcntl(pipefd[0], F_SETFD, FD_CLOEXEC);
     ::fcntl(pipefd[1], F_SETFD, FD_CLOEXEC);
 
     // set non-block too?
     if (flags & O_NONBLOCK) {
         ::fcntl(pipefd[0], F_SETFL, ::fcntl(pipefd[0], F_GETFL) | O_NONBLOCK);
         ::fcntl(pipefd[1], F_SETFL, ::fcntl(pipefd[1], F_GETFL) | O_NONBLOCK);
     }
 
     return 0;
 }

◆ qt_safe_read()

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

inlinestatic

Definition at line 273 of file qcore_unix_p.h.

Referenced by detectProcessorFeatures(), QNativeSocketEnginePrivate::nativeRead(), QBBVirtualKeyboardPps::ppsDataReady(), QProcessPrivate::processStarted(), QBBNavigatorEventNotifier::readData(), QDnotifySignalThread::readFromDnotify(), QProcessPrivate::readFromStderr(), QProcessPrivate::readFromStdout(), QBBSystemLocaleData::readPpsValue(), QProcessManager::run(), QProcessPrivate::startDetached(), QBBButtonEventNotifier::updateButtonStates(), and QProcessPrivate::waitForDeadChild().

 {
     qint64 ret = 0;
     EINTR_LOOP(ret, QT_READ(fd, data, maxlen));
     return ret;
 }

◆ qt_safe_select()

Q_CORE_EXPORT int qt_safe_select	(	int	nfds,
		fd_set *	fdread,
		fd_set *	fdwrite,
		fd_set *	fdexcept,
		const struct timeval *	tv
	)

Definition at line 73 of file qcore_unix.cpp.

Referenced by QNativeSocketEnginePrivate::nativeSelect(), SelectWorker::run(), QEventDispatcherUNIX::select(), and select_msecs().

 {
     if (!orig_timeout) {
         // no timeout -> block forever
         register int ret;
         EINTR_LOOP(ret, select(nfds, fdread, fdwrite, fdexcept, 0));
         return ret;
     }
 
     timeval start = qt_gettime();
     timeval timeout = *orig_timeout;
 
     // loop and recalculate the timeout as needed
     int ret;
     forever {
         ret = ::select(nfds, fdread, fdwrite, fdexcept, &timeout);
         if (ret != -1 || errno != EINTR)
             return ret;
 
         // recalculate the timeout
         if (!time_update(&timeout, start, *orig_timeout)) {
             // timeout during update
             // or clock reset, fake timeout error
             return 0;
         }
     }
 }

◆ qt_safe_waitpid()

static pid_t qt_safe_waitpid	(	pid_t	pid,
		int *	status,
		int	options
	)

inlinestatic

Definition at line 333 of file qcore_unix_p.h.

Referenced by QProcessPrivate::startDetached(), and QProcessPrivate::waitForDeadChild().

 {
     register int ret;
     EINTR_LOOP(ret, ::waitpid(pid, status, options));
     return ret;
 }

◆ qt_safe_write()

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

inlinestatic

Definition at line 282 of file qcore_unix_p.h.

Referenced by QProcessManager::catchDeadChildren(), QProcessPrivate::execChild(), QProcessPrivate::processStarted(), qfswd_sigio_monitor(), qt_sa_sigchld_sigaction(), qt_safe_write_nosignal(), QProcessPrivate::startDetached(), QEventDispatcherUNIX::wakeUp(), and QProcessManager::~QProcessManager().

 {
     qint64 ret = 0;
     EINTR_LOOP(ret, QT_WRITE(fd, data, len));
     return ret;
 }

◆ qt_safe_write_nosignal()

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

inlinestatic

Definition at line 291 of file qcore_unix_p.h.

Referenced by QNativeSocketEnginePrivate::nativeWrite(), and QProcessPrivate::writeToStdin().

 {
     qt_ignore_sigpipe();
     return qt_safe_write(fd, data, len);
 }

Classes

Macros

Functions

Macro Definition Documentation

◆ _POSIX_MONOTONIC_CLOCK

◆ EINTR_LOOP

◆ QT_CLOSE

◆ QT_OPEN

◆ QT_READ

◆ QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC

◆ QT_WRITE

Function Documentation

◆ normalizedTimeval()

◆ operator*()

◆ operator+()

◆ operator+=()

◆ operator-()

◆ operator<()

◆ operator==()

◆ qt_gettime()

◆ qt_ignore_sigpipe()

◆ qt_safe_close()

◆ qt_safe_dup()

◆ qt_safe_dup2()

◆ qt_safe_execv()

◆ qt_safe_execve()

◆ qt_safe_execvp()

◆ qt_safe_open()

◆ qt_safe_pipe()

◆ qt_safe_read()

◆ qt_safe_select()

◆ qt_safe_waitpid()

◆ qt_safe_write()

◆ qt_safe_write_nosignal()