1.0.17.1: describe_tread_state() for GDB convenience

 * Add describe_thread_state() to runtime, intended to be mainly
   called from GDB: prints out important bits of the current signal
   mask, and values of some special variables.

diff --git a/src/runtime/backtrace.c b/src/runtime/backtrace.c
index 52d3ce2..dc5b1e8 100644 (file)
--- a/src/runtime/backtrace.c
+++ b/src/runtime/backtrace.c
@@ -528,6 +528,29 @@ print_entry_points (struct code *code)
   }
 }
 
+void
+describe_thread_state(void)
+{
+    sigset_t mask;
+    struct thread *thread = arch_os_get_current_thread();
+    pthread_sigmask(SIG_SETMASK, NULL, &mask);
+    printf("Signal mask:\n");
+    printf(" SIGALRM = %d\n", sigismember(&mask, SIGALRM));
+    printf(" SIGINT = %d\n", sigismember(&mask, SIGINT));
+    printf(" SIGPROF = %d\n", sigismember(&mask, SIGPROF));
+    printf(" SIG_INTERRUPT_THREAD = %d\n", sigismember(&mask, SIG_INTERRUPT_THREAD));
+#ifdef SIG_STOP_FOR_GC
+    printf(" SIG_STOP_FOR_GC = %d\n", sigismember(&mask, SIG_STOP_FOR_GC));
+#endif
+    printf("Specials:\n");
+    printf(" *GC-INHIBIT* = %s\n", (SymbolValue(GC_INHIBIT, thread) == T) ? "T" : "NIL");
+    printf(" *GC-PENDING* = %s\n", (SymbolValue(GC_PENDING, thread) == T) ? "T" : "NIL");
+    printf(" *INTERRUPTS-ENABLED* = %s\n", (SymbolValue(INTERRUPTS_ENABLED, thread) == T) ? "T" : "NIL");
+#ifdef STOP_FOR_GC_PENDING
+    printf(" *STOP-FOR-GC-PENDING* = %s\n", (SymbolValue(STOP_FOR_GC_PENDING, thread) == T) ? "T" : "NIL");
+#endif
+}
+
 /* This function has been split from backtrace() to enable Lisp
  * backtraces from gdb with call backtrace_from_fp(...). Useful for
  * example when debugging threading deadlocks.

diff --git a/version.lisp-expr b/version.lisp-expr
index c4e4e39..7b6d9ef 100644 (file)
--- a/version.lisp-expr
+++ b/version.lisp-expr
@@ -17,4 +17,4 @@
 ;;; checkins which aren't released. (And occasionally for internal
 ;;; versions, especially for internal versions off the main CVS
 ;;; branch, it gets hairier, e.g. "0.pre7.14.flaky4.13".)
-"1.0.17"
+"1.0.17.1"