kamkow1
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46 lines
882 B
C
46 lines
882 B
C
#include <debugconsole.h>
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#include <malloc.h>
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#include <map.h>
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#include <page_size.h>
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#include <process.h>
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#include <status.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <system.h>
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void _clone_tramp (void);
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struct process_data* process_spawn (process_func_t func, void* argument_ptr) {
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void* stack = malloc (STACK_SIZE);
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if (stack == NULL)
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return NULL;
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struct process_data* pdata = malloc (sizeof (*pdata));
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if (pdata == NULL) {
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free (stack);
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return NULL;
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}
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pdata->stack = stack;
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pdata->arg_ptr = argument_ptr;
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pdata->fn = func;
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uintptr_t top = (uintptr_t)stack + STACK_SIZE;
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int pid = clone (top, &_clone_tramp, (void*)pdata);
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if (pid < 0) {
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free (stack);
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free (pdata);
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return NULL;
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}
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pdata->pid = pid;
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return pdata;
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}
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void process_data_free (struct process_data* pdata) {
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free (pdata->stack);
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free (pdata);
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}
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