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#include <signal.h>
#include <wait.h>
#include <vector.h>
#include "TaskMan.h"
vector<Task *> TaskMan::TaskList;
vector<Task *> TaskMan::Zombies;
int TaskMan::number = 0;
bool TaskMan::inited = false;
static int got_sigchild = 0;
static vector<pid_t> process;
static int nbprocess = 0;
void taskman_sigchild(int sig) {
got_sigchild = 1;
process.push_back(wait(0));
signal(SIGCHLD, taskman_sigchild);
nbprocess++;
}
void TaskMan::Init() throw (GeneralException) {
if (inited) {
throw GeneralException("Task Manager already initialised.");
}
signal(SIGCHLD, taskman_sigchild);
inited = true;
number = 0;
}
int TaskMan::AddTask(Task * t) {
if (!inited) {
Init();
}
TaskList.push_back(t);
number++;
return 0;
}
void TaskMan::MainLoop() throw (GeneralException) {
TaskList_t::iterator p;
Task * t;
int no_burst;
if (!inited) {
Init();
}
while (1) {
cerr << "TaskMan: Begin of main loop with " << number << " task to handle.\n";
if (number == 0) {
throw GeneralException("TaskMan: No more task to manage.");
}
no_burst = 0;
while (!no_burst) {
no_burst = 1;
/* First, we will check for any burning task and run 'em */
for (p = TaskList.begin(); p && (p != TaskList.end()); p++) {
t = *p;
if (t->GetState() == TASK_BURST) {
t->Run();
}
if (t->GetState() == TASK_BURST) {
no_burst = 0;
} else if (t->GetState() == TASK_DONE) {
TaskList.erase(p);
number--;
p--;
if (t->HasToClean()) {
delete t;
} else {
Zombies.push_back(t);
}
}
}
}
}
#ifdef HAVE_POLL
#else
#endif
}
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