GC_sig_disabled 536 gc/os_dep.c int GC_sig_disabled = 0; GC_sig_disabled 562 gc/os_dep.c if (GC_sig_disabled != 0) ABORT("Nested disables"); GC_sig_disabled 563 gc/os_dep.c GC_sig_disabled++; GC_sig_disabled 571 gc/os_dep.c if (GC_sig_disabled != 1) ABORT("Unmatched enable"); GC_sig_disabled 572 gc/os_dep.c GC_sig_disabled--;