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Crash more nicely when the VM isn't fully set up

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If we crash but the VM isn't fully alive, we can get an infinite loop.
This commit is contained in:
Aaron Patterson 2021-06-10 16:03:11 -07:00
parent 929cc615a7
commit d74e5d5b4f
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GPG key ID: 953170BCB4FFAFC6
1 changed files with 32 additions and 30 deletions
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62
vm_dump.c
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@ -1062,36 +1062,38 @@ rb_vm_bugreport(const void *ctx)
LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
fprintf(stderr, "\n");
}
fprintf(stderr, "* Loaded features:\n\n");
for (i=0; i<RARRAY_LEN(vm->loaded_features); i++) {
name = RARRAY_AREF(vm->loaded_features, i);
if (RB_TYPE_P(name, T_STRING)) {
fprintf(stderr, " %4d %.*s\n", i,
LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
}
else if (RB_TYPE_P(name, T_CLASS) || RB_TYPE_P(name, T_MODULE)) {
const char *const type = RB_TYPE_P(name, T_CLASS) ?
"class" : "module";
name = rb_search_class_path(rb_class_real(name));
if (!RB_TYPE_P(name, T_STRING)) {
fprintf(stderr, " %4d %s:<unnamed>\n", i, type);
continue;
}
fprintf(stderr, " %4d %s:%.*s\n", i, type,
LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
}
else {
VALUE klass = rb_search_class_path(rb_obj_class(name));
if (!RB_TYPE_P(klass, T_STRING)) {
fprintf(stderr, " %4d #<%p:%p>\n", i,
(void *)CLASS_OF(name), (void *)name);
continue;
}
fprintf(stderr, " %4d #<%.*s:%p>\n", i,
LIMITED_NAME_LENGTH(klass), RSTRING_PTR(klass),
(void *)name);
}
}
if (vm->loaded_features) {
fprintf(stderr, "* Loaded features:\n\n");
for (i=0; i<RARRAY_LEN(vm->loaded_features); i++) {
name = RARRAY_AREF(vm->loaded_features, i);
if (RB_TYPE_P(name, T_STRING)) {
fprintf(stderr, " %4d %.*s\n", i,
LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
}
else if (RB_TYPE_P(name, T_CLASS) || RB_TYPE_P(name, T_MODULE)) {
const char *const type = RB_TYPE_P(name, T_CLASS) ?
"class" : "module";
name = rb_search_class_path(rb_class_real(name));
if (!RB_TYPE_P(name, T_STRING)) {
fprintf(stderr, " %4d %s:<unnamed>\n", i, type);
continue;
}
fprintf(stderr, " %4d %s:%.*s\n", i, type,
LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
}
else {
VALUE klass = rb_search_class_path(rb_obj_class(name));
if (!RB_TYPE_P(klass, T_STRING)) {
fprintf(stderr, " %4d #<%p:%p>\n", i,
(void *)CLASS_OF(name), (void *)name);
continue;
}
fprintf(stderr, " %4d #<%.*s:%p>\n", i,
LIMITED_NAME_LENGTH(klass), RSTRING_PTR(klass),
(void *)name);
}
}
}
fprintf(stderr, "\n");
}