1 /* prio.c - prio command for BeOs, change priority of a given thread 2 * (c) 2001, 2002, Fran�ois Revol (mmu_man) for OpenBeOS 3 * released under the MIT licence. 4 * 5 * ChangeLog: 6 * 04-26-2002 v1.2 7 * fixed a typo on error (Priority changed failed.) 8 * 04-25-2002 v1.1 9 * Initial. Used my renice.c code to rewrite 'prio' BeOS command for OpenBeOS. 10 * 11 * prio is a stripped-down version of renice 12 * seems to behave the same way as the original BeOS version. :) 13 */ 14 15 #include <OS.h> 16 #include <stdio.h> 17 #include <stdlib.h> 18 19 int main(int argc, char **argv) 20 { 21 thread_id th; 22 int32 prio; 23 status_t ret; 24 25 if (argc != 3) { 26 puts("Usage: prio pid newpriority"); 27 return 1; 28 } 29 30 th = atoi(argv[1]); 31 prio = atoi(argv[2]); 32 33 // ret > 0 means successful, and is the previous priority 34 ret = set_thread_priority(th, prio); 35 if (ret >= B_OK) 36 return 0; 37 puts("Priority change failed."); 38 return 1; 39 } 40 41