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#include <signal.h>
#include <wait.h>
#include <vector.h>
#include "TaskMan.h"
vector<Task *> TaskMan::TaskList;
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) {
TaskList.push_back(t);
number++;
return 0;
}
int TaskMan::RemoveTask(Task * t) {
int i;
for (i = 0; i < number; i++) {
if (TaskList[i] == t) {
TaskList.erase(&TaskList[i]);
number--;
return 0;
}
}
return -1;
}
void TaskMan::MainLoop() throw (GeneralException) {
Task ** p, * t;
while (1) {
if (number == 0) {
throw GeneralException("TaskMan: No more task to manage.");
}
p = TaskList.begin();
while (1) {
t = *p;
#ifdef HAVE_POLL
#else
#endif
try {
t->Run();
}
catch (TaskSwitch) {
continue;
}
if (t->GetState() == TASK_DONE) {
TaskList.erase(p);
}
if (p == TaskList.end()) {
break;
}
p++;
}
}
}
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