From 9b959a402f1998a9c608b917034cae81bd03b088 Mon Sep 17 00:00:00 2001 From: Marvin Borner Date: Mon, 11 May 2020 21:19:35 +0200 Subject: Added quantum 42 counter! Wow, this commit message sounds click-baity.. BUT this is what I implemented! --- src/kernel/tasks/process.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/src/kernel/tasks/process.c b/src/kernel/tasks/process.c index b86620d..e1a6006 100644 --- a/src/kernel/tasks/process.c +++ b/src/kernel/tasks/process.c @@ -12,6 +12,7 @@ #include u32 pid = 0; +u32 quantum = 42; // In ms struct process *root; struct process *current_proc = NULL; @@ -21,15 +22,22 @@ extern u32 stack_hold; void scheduler(struct regs *regs) { + log("%d", quantum); + if (quantum == 0 || current_proc->state != PROC_RUNNING) { + quantum = 42; // For next process + } else { + quantum--; + return; + } + serial_put('+'); memcpy(¤t_proc->registers, regs, sizeof(struct regs)); timer_handler(regs); current_proc = current_proc->next; - if (current_proc == NULL) { + if (current_proc == NULL) current_proc = root; - } /* debug("Max pid: %d", pid); */ /* debug("Task switch to %s with pid %d", current_proc->name, current_proc->pid); */ -- cgit v1.2.3