28 lines
517 B
C
28 lines
517 B
C
#include <syscall.h>
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#include <process.h>
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#include <thread.h>
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#include <scheduler.h>
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#include <string.h>
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SYSCALL_DEF(fork)
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{
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SYSCALL_INIT();
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// Copy process and memory space
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process_t *p = get_current_process();
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process_t *new = process_spawn(p);
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// Copy thread
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thread_t *th = new_thread(0, 1);
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memcpy(&th->r, &get_current_thread()->r, sizeof(registers_t));
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// Make new thread return 0
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th->r.rax = 0;
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process_attach(new, th);
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scheduler_insert(th);
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// Return new pid
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return new->pid;
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}
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