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--;