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Remove qt_safe_select and qt_select_msecs

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Change-Id: If46228dc750554b65acd23e48410ec541fc33714
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Louai Al-Khanji 2016-02-03 23:07:18 -08:00
parent 417586875f
commit 3b73ee0fb5
2 changed files with 0 additions and 58 deletions
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53
src/corelib/kernel/qcore_unix.cpp
View File

@ -74,59 +74,6 @@ static inline bool time_update(struct timespec *tv, const struct timespec &start
return tv->tv_sec >= 0; return tv->tv_sec >= 0;
} }
int qt_safe_select(int nfds, fd_set *fdread, fd_set *fdwrite, fd_set *fdexcept,
const struct timespec *orig_timeout)
{
if (!orig_timeout) {
// no timeout -> block forever
int ret;
EINTR_LOOP(ret, select(nfds, fdread, fdwrite, fdexcept, 0));
return ret;
}
timespec start = qt_gettime();
timespec timeout = *orig_timeout;
// loop and recalculate the timeout as needed
int ret;
forever {
#ifndef Q_OS_QNX
ret = ::pselect(nfds, fdread, fdwrite, fdexcept, &timeout, 0);
#else
timeval timeoutVal = timespecToTimeval(timeout);
ret = ::select(nfds, fdread, fdwrite, fdexcept, &timeoutVal);
#endif
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;
}
}
}
static inline struct timespec millisecsToTimespec(const unsigned int ms)
{
struct timespec tv;
tv.tv_sec = ms / 1000;
tv.tv_nsec = (ms % 1000) * 1000 * 1000;
return tv;
}
int qt_select_msecs(int nfds, fd_set *fdread, fd_set *fdwrite, int timeout)
{
if (timeout < 0)
return qt_safe_select(nfds, fdread, fdwrite, 0, 0);
struct timespec tv = millisecsToTimespec(timeout);
return qt_safe_select(nfds, fdread, fdwrite, 0, &tv);
}
#if !defined(QT_HAVE_PPOLL) && defined(QT_HAVE_POLL) #if !defined(QT_HAVE_PPOLL) && defined(QT_HAVE_POLL)
static inline int timespecToMillisecs(const struct timespec *ts) static inline int timespecToMillisecs(const struct timespec *ts)
{ {

5
src/corelib/kernel/qcore_unix_p.h
View File

@ -345,11 +345,6 @@ static inline struct pollfd qt_make_pollfd(int fd, short events)
return pfd; return pfd;
} }
Q_CORE_EXPORT int qt_safe_select(int nfds, fd_set *fdread, fd_set *fdwrite, fd_set *fdexcept,
const struct timespec *tv);
int qt_select_msecs(int nfds, fd_set *fdread, fd_set *fdwrite, int timeout);
// according to X/OPEN we have to define semun ourselves // according to X/OPEN we have to define semun ourselves
// we use prefix as on some systems sem.h will have it // we use prefix as on some systems sem.h will have it
struct semid_ds; struct semid_ds;