62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
#include <kernel/process.h>
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#include <kernel/scheduler.h>
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#include <kernel/devices/earlyterm.h>
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#include <kernel/util/atomic.h>
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#include <kernel/fs/vfs.h>
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#include <kernel/memory.h>
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static void first_proc_term(int __stat_lock)
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{
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earlyterm_write("Kernel PANIK !!\n");
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earlyterm_write("First process terminate [%d]\n", __stat_lock);
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// TODO: restore Casio context / environnement
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earlyterm_write("Wait manual reset...");
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while (1);
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}
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void process_terminate(struct process *proc, int __stat_lock)
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{
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struct pm_heap_page **page;
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void *tmp;
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// Check first process termination
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if (proc->parent == NULL)
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first_proc_term(__stat_lock);
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// Start atomic operation
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atomic_start();
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// Close all opened file
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for (int i = 0 ; i < PROCESS_NB_OPEN_FILE ; ++i)
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{
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if (proc->opfile[i].status == PROCESS_FILE_SLOT_USED)
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vfs_close(&proc->opfile[i].file);
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}
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// Free'd all allocated space
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pm_pages_free(proc->memory.stack.user);
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pm_pages_free(proc->memory.stack.kernel);
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pm_pages_free(proc->memory.program.start);
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page = &proc->memory.heap;
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while (*page != NULL) {
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tmp = (*page)->next;
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pm_pages_free(*page);
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*page = tmp;
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}
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// Secure error
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proc->memory.stack.user = NULL;
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proc->memory.stack.kernel = NULL;
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proc->memory.program.start = NULL;
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// Change scheduler task state
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proc->sched_task->status = SCHED_TASK_ZOMBIE;
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// Generate stat_loc
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proc->__stat_loc = __stat_lock;
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// Stop atomic operation
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atomic_stop();
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}
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