31 lines
818 B
C
31 lines
818 B
C
#include <stdlib.h>
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#include <stdint.h>
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#include "pthread.h"
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DEFN_SYSCALL3(clone, 30, uintptr_t, uintptr_t, void *);
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DEFN_SYSCALL0(gettid, 41);
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#define PTHREAD_STACK_SIZE 10240
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int clone(uintptr_t,uintptr_t,void*) __attribute__((alias("syscall_clone")));
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int gettid() __attribute__((alias("syscall_gettid")));
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int pthread_create(pthread_t * thread, pthread_attr_t * attr, void *(*start_routine)(void *), void * arg) {
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char * stack = malloc(PTHREAD_STACK_SIZE);
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uintptr_t stack_top = (uintptr_t)stack + PTHREAD_STACK_SIZE;
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thread->stack = stack;
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thread->id = clone(stack_top, (uintptr_t)start_routine, arg);
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return 0;
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}
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void pthread_exit(void * value) {
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/* Perform nice cleanup */
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#if 0
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/* XXX: LOCK */
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free(stack);
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/* XXX: Return value!? */
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#endif
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__asm__ ("jmp 0xFFFFB00F"); /* Force thread exit */
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}
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