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Code Issues Releases Wiki Activity

bugfix: exec执行的文件不存在时，自动退出进程。

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This commit is contained in:
fslongjin
2022-06-09 21:56:32 +08:00
parent f37a090989
commit 2a47569473
16 changed files with 100 additions and 103 deletions
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14
kernel/sched/sched.c
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@ -1,5 +1,7 @@
#include "sched.h"
#include <common/kprint.h>
#include <driver/video/video.h>
#include <process/spinlock.h>
struct sched_queue_t sched_cfs_ready_queue[MAX_CPU_NUM]; // 就绪队列
@ -50,7 +52,9 @@ void sched_cfs_enqueue(struct process_control_block *pcb)
*/
void sched_cfs()
{
cli();
current_pcb->flags &= ~PF_NEED_SCHED;
struct process_control_block *proc = sched_cfs_dequeue();
// kdebug("sched_cfs_ready_queue[proc_current_cpu_id].count = %d", sched_cfs_ready_queue[proc_current_cpu_id].count);
@ -74,17 +78,9 @@ void sched_cfs()
break;
}
}
// kdebug("before switch, next.rip = %#018lx\tnext->gs=%#018lx", proc->thread->rip, proc->thread->gs);
// kdebug("currentpcb=%#018lx", (uint64_t)current_pcb);
// if(proc->pid == 1 && pid_one_map_count < 2)
// {
// mm_map_proc_page_table(proc->mm->pgd, true, pid_one_map_offset, alloc_pages(ZONE_NORMAL, 1, PAGE_PGT_MAPPED)->addr_phys, PAGE_2M_SIZE, PAGE_USER_PAGE, true);
// pid_one_map_count++;
// pid_one_map_offset += PAGE_2M_SIZE;
// }
process_switch_mm(proc);
switch_proc(current_pcb, proc);
}
else // 不进行切换