Update TODO list regarding non-queuing of signal actions; Add comments in code at areas where the issue applies.

2026-05-30 13:27:01 +08:00 · 2019-02-04 08:35:03 -06:00
parent 1bbcd1ad96
commit b1001b4e50
21 changed files with 159 additions and 31 deletions
@@ -204,6 +204,11 @@ struct xcptcontext

  /* These additional register save locations are used to implement the
   * signal delivery trampoline.
+   *
+   * REVISIT:  Because there is only one copy of these save areas,
+   * only a single signal handler can be active.  This precludes
+   * queuing of signal actions.  As a result, signals received while
+   * another signal handler is executing will be ignored!
   */

  uint32_t saved_epc;     /* Trampoline PC */