Get the scheduling policy for a thread
#include <sys/neutrino.h> int SchedGet( pid_t pid, int tid, struct sched_param *param ); int SchedGet_r( pid_t pid, int tid, struct sched_param *param );
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The SchedGet() and SchedGet_r() kernel calls return the current scheduling policy and the parameters for the thread specified by tid in the process specified by pid. If pid is zero, the current process is used to look up a nonzero tid. If pid and tid are zero, then the calling thread is used.
These functions are identical except in the way they indicate errors. See the Returns section for details.
|Instead of using these kernel calls directly, consider calling pthread_getschedparam().|
The scheduling policy is returned on success and is one of SCHED_FIFO, SCHED_RR, SCHED_SPORADIC, SCHED_OTHER, SCHED_ADJTOHEAD, or SCHED_ADJTOTAIL.
These calls don't block.
The only difference between these functions is the way they indicate errors:
pthread_getschedparam(), sched_param, SchedInfo(), SchedSet(), SchedYield()
“Thread scheduling” in the QNX Neutrino Microkernel chapter of the System Architecture guide
“Scheduling policies” in the Programming Overview chapter of the QNX Neutrino Programmer's Guide