#include "globals.h"
#include "dynbind.h"
#include "thread.h"
+#include "pseudo-atomic.h"
#include "genesis/symbol.h"
#include "genesis/binding.h"
#include "genesis/thread.h"
void bind_variable(lispobj symbol, lispobj value, void *th)
{
- lispobj old_tl_value;
struct binding *binding;
struct thread *thread=(struct thread *)th;
-#ifdef LISP_FEATURE_SB_THREAD
- struct symbol *sym=(struct symbol *)native_pointer(symbol);
-#endif
binding = GetBSP();
SetBSP(binding+1);
#ifdef LISP_FEATURE_SB_THREAD
- if(!sym->tls_index) {
- sym->tls_index=SymbolValue(FREE_TLS_INDEX,0);
- SetSymbolValue(FREE_TLS_INDEX,
- make_fixnum(fixnum_value(sym->tls_index)+1),0);
+ {
+ struct symbol *sym=(struct symbol *)native_pointer(symbol);
+ if(!sym->tls_index) {
+ lispobj *tls_index_lock=
+ &((struct symbol *)native_pointer(TLS_INDEX_LOCK))->value;
+ clear_pseudo_atomic_interrupted(th);
+ set_pseudo_atomic_atomic(th);
+ get_spinlock(tls_index_lock,(long)th);
+ if(!sym->tls_index) {
+ sym->tls_index=SymbolValue(FREE_TLS_INDEX,0);
+ SetSymbolValue(FREE_TLS_INDEX,
+ make_fixnum(fixnum_value(sym->tls_index)+1),0);
+ if(fixnum_value(sym->tls_index)>=TLS_SIZE) {
+ lose("Thread local storage exhausted.");
+ }
+ }
+ release_spinlock(tls_index_lock);
+ clear_pseudo_atomic_atomic(th);
+ if (get_pseudo_atomic_interrupted(th))
+ do_pending_interrupt();
+ }
}
#endif
- old_tl_value=SymbolTlValue(symbol,thread);
- binding->value = old_tl_value;
+ binding->value = SymbolTlValue(symbol, thread);
binding->symbol = symbol;
- SetTlSymbolValue(symbol, value,thread);
+ SetTlSymbolValue(symbol, value, thread);
}
void
struct thread *thread=(struct thread *)th;
struct binding *binding;
lispobj symbol;
-
+
binding = GetBSP() - 1;
-
+
symbol = binding->symbol;
SetTlSymbolValue(symbol, binding->value,thread);
lispobj symbol;
while (target < binding) {
- binding--;
+ binding--;
- symbol = binding->symbol;
- if (symbol) {
- SetTlSymbolValue(symbol, binding->value,thread);
- binding->symbol = 0;
- }
+ symbol = binding->symbol;
+ if (symbol) {
+ if (symbol != UNBOUND_MARKER_WIDETAG) {
+ SetTlSymbolValue(symbol, binding->value,thread);
+ }
+ binding->symbol = 0;
+ }
}
SetBSP(binding);
}