Prevent preemption during spawn_new_process

2026-07-04 01:15:46 -04:00 · 2026-07-04 01:15:46 -04:00 · f24debd8fb
parent dd918794f2
commit f24debd8fb
1 changed files with 2 additions and 0 deletions
--- a/src/kernel/system/scheduler.c
+++ b/src/kernel/system/scheduler.c
@ -72,6 +72,7 @@ cpu_registers_t *schedule(cpu_registers_t *regs){
 }

 uint32_t spawn_new_process(cpu_registers_t defaultregs, char **argv, uint32_t argc, void *cr3){
+    asm("cli");
    uint32_t i = current_pid;
    while(processes[i].flags.present){
        i++;
@ -96,6 +97,7 @@ uint32_t spawn_new_process(cpu_registers_t defaultregs, char **argv, uint32_t ar
    new_proc.max_descriptors = DEFAULT_FD_MAX;
    processes[i] = new_proc;
    add_process_queue(i);
+    asm("sti");
    return i;
 }