X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fdynbind.c;h=9a64a0ab25a0666d2cf43e55b9851c71aa78b1ba;hb=1f03c7f326823245708a84af86b31ac72bdb1742;hp=da2218961a05b98e0482bded1288f69372ec6f5d;hpb=939275c1bc2f18ef93cd1dd4ab35a18f6008cfd9;p=sbcl.git diff --git a/src/runtime/dynbind.c b/src/runtime/dynbind.c index da22189..9a64a0a 100644 --- a/src/runtime/dynbind.c +++ b/src/runtime/dynbind.c @@ -13,11 +13,15 @@ * files for more information. */ +#include +#include + #include "sbcl.h" #include "runtime.h" #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" @@ -33,7 +37,6 @@ void bind_variable(lispobj symbol, lispobj value, void *th) { - lispobj old_tl_value; struct binding *binding; struct thread *thread=(struct thread *)th; binding = GetBSP(); @@ -44,25 +47,28 @@ void bind_variable(lispobj symbol, lispobj value, void *th) if(!sym->tls_index) { lispobj *tls_index_lock= &((struct symbol *)native_pointer(TLS_INDEX_LOCK))->value; - SetSymbolValue(PSEUDO_ATOMIC_INTERRUPTED, make_fixnum(0),th); - SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(1),th); + FSHOW_SIGNAL((stderr, "entering dynbind tls alloc\n")); + 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); - SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(0),th); - if (fixnum_value(SymbolValue(PSEUDO_ATOMIC_INTERRUPTED,th))) + FSHOW_SIGNAL((stderr, "exiting dynbind tls alloc\n")); + 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 @@ -79,6 +85,7 @@ unbind(void *th) SetTlSymbolValue(symbol, binding->value,thread); binding->symbol = 0; + binding->value = 0; SetBSP(binding); } @@ -96,8 +103,11 @@ unbind_to_here(lispobj *bsp,void *th) symbol = binding->symbol; if (symbol) { - SetTlSymbolValue(symbol, binding->value,thread); + if (symbol != UNBOUND_MARKER_WIDETAG) { + SetTlSymbolValue(symbol, binding->value,thread); + } binding->symbol = 0; + binding->value = 0; } } SetBSP(binding);