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Added getpid system call

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This commit is contained in:
Justin C. Miller
2019-02-07 17:52:57 -08:00
parent 8c32471e0d
commit 8e85ae5318
4 changed files with 36 additions and 17 deletions
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14
src/kernel/scheduler.cpp
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@@ -216,13 +216,11 @@ void scheduler::prune(uint64_t now)
while (proc) {
bool ready = proc->flags && process_flags::ready;
ready |= proc->wake_on_time(now);
if (!ready) {
proc = proc->next();
continue;
}
auto *remove = proc;
proc = proc->next();
if (!ready) continue;
m_blocked.remove(remove);
m_runlists[remove->priority].push_front(remove);
}
@@ -234,15 +232,17 @@ scheduler::schedule(uintptr_t rsp0)
// TODO: lol a real clock
static uint64_t now = 0;
prune(++now);
m_current->rsp = rsp0;
m_runlists[m_current->priority].remove(m_current);
if (m_current->flags && process_flags::ready)
if (m_current->flags && process_flags::ready) {
m_runlists[m_current->priority].push_back(m_current);
else
} else {
m_blocked.push_back(m_current);
}
prune(++now);
uint8_t pri = 0;
while (m_runlists[pri].empty()) {