int arch_os_thread_init(struct thread *thread) {
stack_t sigstack;
#ifdef LISP_FEATURE_SB_THREAD
- /* this must be called from a function that has an exclusive lock
- * on all_threads
+ /* FIXME Lock ordering rules: all_threads_lock must usually be
+ * held when getting modify_ldt_lock
*/
struct user_desc ldt_entry = {
1, 0, 0, /* index, address, length filled in later */
1, MODIFY_LDT_CONTENTS_DATA, 0, 0, 0, 1
};
int n;
- get_spinlock(&modify_ldt_lock,thread);
+ /* thread->os_thread is not set yet*/
+ get_spinlock(&modify_ldt_lock,(int)thread);
n=modify_ldt(0,local_ldt_copy,sizeof local_ldt_copy);
/* get next free ldt entry */
modify_ldt_lock=0;
if(n<0) return 0;
+ pthread_setspecific(specials,thread);
#endif
#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
/* Signal handlers are run on the control stack, so if it is exhausted
sigstack.ss_flags=0;
sigstack.ss_size = 32*SIGSTKSZ;
sigaltstack(&sigstack,0);
+ if(sigaltstack(&sigstack,0)<0) {
+ lose("Cannot sigaltstack: %s\n",strerror(errno));
+ }
#endif
return 1;
}