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Diffstat (limited to 'lib/tdb2/test/failtest_helper.c')
-rw-r--r--lib/tdb2/test/failtest_helper.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/lib/tdb2/test/failtest_helper.c b/lib/tdb2/test/failtest_helper.c
deleted file mode 100644
index 386f1c2379..0000000000
--- a/lib/tdb2/test/failtest_helper.c
+++ /dev/null
@@ -1,96 +0,0 @@
-#include "failtest_helper.h"
-#include "logging.h"
-#include <string.h>
-#include "tap-interface.h"
-
-bool failtest_suppress = false;
-
-/* FIXME: From ccan/str */
-static inline bool strends(const char *str, const char *postfix)
-{
- if (strlen(str) < strlen(postfix))
- return false;
-
- return !strcmp(str + strlen(str) - strlen(postfix), postfix);
-}
-
-bool failmatch(const struct failtest_call *call,
- const char *file, int line, enum failtest_call_type type)
-{
- return call->type == type
- && call->line == line
- && ((strcmp(call->file, file) == 0)
- || (strends(call->file, file)
- && (call->file[strlen(call->file) - strlen(file) - 1]
- == '/')));
-}
-
-static bool is_nonblocking_lock(const struct failtest_call *call)
-{
- return call->type == FAILTEST_FCNTL && call->u.fcntl.cmd == F_SETLK;
-}
-
-static bool is_unlock(const struct failtest_call *call)
-{
- return call->type == FAILTEST_FCNTL
- && call->u.fcntl.arg.fl.l_type == F_UNLCK;
-}
-
-bool exit_check_log(struct tlist_calls *history)
-{
- const struct failtest_call *i;
-
- tlist_for_each(history, i, list) {
- if (!i->fail)
- continue;
- /* Failing the /dev/urandom open doesn't count: we fall back. */
- if (failmatch(i, URANDOM_OPEN))
- continue;
-
- /* Similarly with read fail. */
- if (failmatch(i, URANDOM_READ))
- continue;
-
- /* Initial allocation of tdb doesn't log. */
- if (failmatch(i, INITIAL_TDB_MALLOC))
- continue;
-
- /* We don't block "failures" on non-blocking locks. */
- if (is_nonblocking_lock(i))
- continue;
-
- if (!tap_log_messages)
- diag("We didn't log for %s:%u", i->file, i->line);
- return tap_log_messages != 0;
- }
- return true;
-}
-
-/* Some places we soldier on despite errors: only fail them once. */
-enum failtest_result
-block_repeat_failures(struct tlist_calls *history)
-{
- const struct failtest_call *last;
-
- last = tlist_tail(history, list);
-
- if (failtest_suppress)
- return FAIL_DONT_FAIL;
-
- if (failmatch(last, INITIAL_TDB_MALLOC)
- || failmatch(last, URANDOM_OPEN)
- || failmatch(last, URANDOM_READ)) {
- return FAIL_PROBE;
- }
-
- /* We handle mmap failing, by falling back to read/write, so
- * don't try all possible paths. */
- if (last->type == FAILTEST_MMAP)
- return FAIL_PROBE;
-
- /* Unlock or non-blocking lock is fail-once. */
- if (is_unlock(last) || is_nonblocking_lock(last))
- return FAIL_PROBE;
-
- return FAIL_OK;
-}