qatomic_sh.cpp File Reference

#include <QtCore/qglobal.h>
#include <unistd.h>
#include <time.h>

Go to the source code of this file.

Functions
Q_CORE_EXPORT void	qt_atomic_yield (int *count)

Variables
Q_CORE_EXPORT volatile char	qt_atomic_lock = 0

Function Documentation

qt_atomic_yield()

Q_CORE_EXPORT void qt_atomic_yield

(

int *

count

)

Definition at line 56 of file qatomic_sh.cpp.

Referenced by qt_atomic_tasb().

{
#ifdef _POSIX_PRIORITY_SCHEDULING
    if((*count)++ < 50) {
        sched_yield();
    } else
#endif
    {
        struct timespec tm;
        tm.tv_sec = 0;
        tm.tv_nsec = 2000001;
        nanosleep(&tm, NULL);
        *count = 0;
    }
}

Variable Documentation

qt_atomic_lock

Q_CORE_EXPORT volatile char qt_atomic_lock = 0

Definition at line 54 of file qatomic_sh.cpp.

Referenced by qt_atomic_tasb().