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patch 8.1.1579: dict and list could be GC'ed while displaying error

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Problem:    Dict and list could be GC'ed while displaying error in a timer.
            (Yasuhiro Matsumoto)
Solution:   Block garbage collection when executing a timer.  Add
            test_garbagecollect_soon(). Add "no_wait_return" to
            test_override(). (closes #4571)
This commit is contained in:
Bram Moolenaar
2019-06-22 01:40:42 +02:00
parent dfc1455728
commit adc6714aac
5 changed files with 48 additions and 2 deletions
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13
src/evalfunc.c
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@@ -448,6 +448,7 @@ static void f_test_option_not_set(typval_T *argvars, typval_T *rettv);
static void f_test_override(typval_T *argvars, typval_T *rettv);
static void f_test_refcount(typval_T *argvars, typval_T *rettv);
static void f_test_garbagecollect_now(typval_T *argvars, typval_T *rettv);
static void f_test_garbagecollect_soon(typval_T *argvars, typval_T *rettv);
static void f_test_ignore_error(typval_T *argvars, typval_T *rettv);
static void f_test_null_blob(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_JOB_CHANNEL
@@ -1019,6 +1020,7 @@ static struct fst
{"test_autochdir", 0, 0, f_test_autochdir},
{"test_feedinput", 1, 1, f_test_feedinput},
{"test_garbagecollect_now", 0, 0, f_test_garbagecollect_now},
{"test_garbagecollect_soon", 0, 0, f_test_garbagecollect_soon},
{"test_getvalue", 1, 1, f_test_getvalue},
{"test_ignore_error", 1, 1, f_test_ignore_error},
{"test_null_blob", 0, 0, f_test_null_blob},
@@ -14460,6 +14462,8 @@ f_test_override(typval_T *argvars, typval_T *rettv UNUSED)
nfa_fail_for_testing = val;
else if (STRCMP(name, (char_u *)"no_query_mouse") == 0)
no_query_mouse_for_testing = val;
else if (STRCMP(name, (char_u *)"no_wait_return") == 0)
no_wait_return = val;
else if (STRCMP(name, (char_u *)"ALL") == 0)
{
disable_char_avail_for_testing = FALSE;
@@ -14550,6 +14554,15 @@ f_test_garbagecollect_now(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
garbage_collect(TRUE);
}
/*
* "test_garbagecollect_soon()" function
*/
static void
f_test_garbagecollect_soon(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
{
may_garbage_collect = TRUE;
}
/*
* "test_ignore_error()" function
*/