1 #include "failtest_helper.h"
4 #include <ccan/tap/tap.h>
6 bool failtest_suppress = false;
8 /* FIXME: From ccan/str */
9 static inline bool strends(const char *str, const char *postfix)
11 if (strlen(str) < strlen(postfix))
14 return !strcmp(str + strlen(str) - strlen(postfix), postfix);
17 bool failmatch(const struct failtest_call *call,
18 const char *file, int line, enum failtest_call_type type)
20 return call->type == type
22 && ((strcmp(call->file, file) == 0)
23 || (strends(call->file, file)
24 && (call->file[strlen(call->file) - strlen(file) - 1]
28 static bool is_nonblocking_lock(const struct failtest_call *call)
30 return call->type == FAILTEST_FCNTL && call->u.fcntl.cmd == F_SETLK;
33 static bool is_unlock(const struct failtest_call *call)
35 return call->type == FAILTEST_FCNTL
36 && call->u.fcntl.arg.fl.l_type == F_UNLCK;
39 bool exit_check_log(struct tlist_calls *history)
41 const struct failtest_call *i;
43 tlist_for_each(history, i, list) {
46 /* Failing the /dev/urandom open doesn't count: we fall back. */
47 if (failmatch(i, URANDOM_OPEN))
50 /* Similarly with read fail. */
51 if (failmatch(i, URANDOM_READ))
54 /* Initial allocation of tdb doesn't log. */
55 if (failmatch(i, INITIAL_TDB_MALLOC))
58 /* We don't block "failures" on non-blocking locks. */
59 if (is_nonblocking_lock(i))
62 if (!tap_log_messages)
63 diag("We didn't log for %s:%u", i->file, i->line);
64 return tap_log_messages != 0;
69 /* Some places we soldier on despite errors: only fail them once. */
71 block_repeat_failures(struct tlist_calls *history)
73 const struct failtest_call *last;
75 last = tlist_tail(history, struct failtest_call, list);
77 if (failtest_suppress)
78 return FAIL_DONT_FAIL;
80 if (failmatch(last, INITIAL_TDB_MALLOC)
81 || failmatch(last, URANDOM_OPEN)
82 || failmatch(last, URANDOM_READ)) {
86 /* Unlock or non-blocking lock is fail-once. */
87 if (is_unlock(last) || is_nonblocking_lock(last))