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8.53. SysSetPriority

Changes the priority of the current process. A return code of 0 indicates no error.

Parameters:
class

The new process priority class. The allowed classes are:
0 or "IDLE"

Idle time priority
1 or "NORMAL"

Regular priority
2 or "HIGH"

High or time-critical priority
3 or "REALTIME"

Real-time priority
delta

The change applied to the process priority level. delta must be in the range -15 to +15. It can also be a symbolic name:

  • "IDLE" for -15

  • "LOWEST" for -2

  • "BELOW_NORMAL" for -1

  • "NORMAL" for 0

  • "ABOVE_NORMAL" for 1

  • "HIGHEST" for 2

  • "TIME_CRITICAL" for 15
0

No errors.
Other

An operating system error code. On Windows, this may be one of the following, but could be others.
307

Invalid priority class.