toaruos/lib/pthread.c
2018-02-25 17:14:43 +09:00

43 lines
1.1 KiB
C

/* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2012-2014 Kevin Lange
*/
#include <stdlib.h>
#include <stdint.h>
#include <syscall.h>
#include <signal.h>
#include "pthread.h"
#define PTHREAD_STACK_SIZE 0x100000
int clone(uintptr_t a,uintptr_t b,void* c) {
return syscall_clone(a,b,c);
}
int gettid() {
return syscall_gettid();
}
int pthread_create(pthread_t * thread, pthread_attr_t * attr, void *(*start_routine)(void *), void * arg) {
char * stack = malloc(PTHREAD_STACK_SIZE);
uintptr_t stack_top = (uintptr_t)stack + PTHREAD_STACK_SIZE;
thread->stack = stack;
thread->id = clone(stack_top, (uintptr_t)start_routine, arg);
return 0;
}
int pthread_kill(pthread_t thread, int sig) {
return kill(thread.id, sig);
}
void pthread_exit(void * value) {
/* Perform nice cleanup */
#if 0
/* XXX: LOCK */
free(stack);
/* XXX: Return value!? */
#endif
uintptr_t magic_exit_target = 0xFFFFB00F;
void (*magic_exit_func)(void) = (void *)magic_exit_target;
magic_exit_func();
}