90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
// This is a personal academic project. Dear PVS-Studio, please check it.
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// PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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#include "test_processes.h"
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#include "ps.h"
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#define MAX_PROCESSES 10 //Should be around 80% of the the processes handled by the kernel
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enum State {ERROR, RUNNING, BLOCKED, KILLED};
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typedef struct P_rq{
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uint32_t pid;
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enum State state;
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}p_rq;
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void endless_loop(){
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while(1);
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sys_exit();
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}
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void test_processes(int argc, char ** argv){
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p_rq p_rqs[MAX_PROCESSES];
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uint8_t rq;
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uint8_t alive = 0;
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uint8_t action;
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int i = 0;
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while (1) {
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// Create MAX_PROCESSES processes
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for(rq = 0; rq < MAX_PROCESSES; rq++){
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char *argv[] = {"endless"};
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p_rqs[rq].pid = sys_loadProcess(endless_loop, 0, 1, argv, NULL); // TODO: Port this call as required
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sys_nice(p_rqs[rq].pid, 19);
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i++;
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if (p_rqs[rq].pid == -1){ // TODO: Port this as required
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printStringLen("Error creating process\n", 24); // TODO: Port this as required
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return;
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}else{
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p_rqs[rq].state = RUNNING;
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alive++;
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}
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}
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// Randomly kills, blocks or unblocks processes until every one has been killed
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while (alive > 0){
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for(rq = 0; rq < MAX_PROCESSES; rq++){
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action = GetUniform(2) % 2;
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switch(action){
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case 0:
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if (p_rqs[rq].state == RUNNING || p_rqs[rq].state == BLOCKED){
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sys_kill(p_rqs[rq].pid);
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p_rqs[rq].state = KILLED;
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alive--;
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}
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break;
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case 1:
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if (p_rqs[rq].state == RUNNING){
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if(sys_block(p_rqs[rq].pid) == -1){ // TODO: Port this as required
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printStringLen("Error blocking process\n", 24); // TODO: Port this as required
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return;
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}
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p_rqs[rq].state = BLOCKED;
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}
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break;
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}
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}
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// Randomly unblocks processes
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for(rq = 0; rq < MAX_PROCESSES; rq++)
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if (p_rqs[rq].state == BLOCKED && GetUniform(2) % 2){
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if(sys_unblock(p_rqs[rq].pid) == -1){ // TODO: Port this as required
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printStringLen("Error unblocking process\n", 26); // TODO: Port this as required
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return;
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}
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p_rqs[rq].state = RUNNING;
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}
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}
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if (i % 10000 == 0) {
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printStringLen("Procesos: ", 11);
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char buffer[4];
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printString(itoa(i, buffer, 10));
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newline();
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}
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}
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sys_exit();
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} |