1 #include "failtest_helper.h"
4 #include "tap-interface.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
;
42 unsigned int malloc_count
= 0;
44 tlist_for_each(history
, i
, list
) {
47 /* Failing the /dev/urandom open doesn't count: we fall back. */
48 if (failmatch(i
, URANDOM_OPEN
))
51 /* Similarly with read fail. */
52 if (failmatch(i
, URANDOM_READ
))
55 /* Initial allocation of ntdb doesn't log. */
56 if (i
->type
== FAILTEST_MALLOC
) {
57 if (malloc_count
++ == 0) {
62 /* We don't block "failures" on non-blocking locks. */
63 if (is_nonblocking_lock(i
))
66 if (!tap_log_messages
)
67 diag("We didn't log for %s:%u", i
->file
, i
->line
);
68 return tap_log_messages
!= 0;
73 /* Some places we soldier on despite errors: only fail them once. */
75 block_repeat_failures(struct tlist_calls
*history
)
77 const struct failtest_call
*last
;
79 last
= tlist_tail(history
, list
);
81 if (failtest_suppress
)
82 return FAIL_DONT_FAIL
;
84 if (failmatch(last
, URANDOM_OPEN
)
85 || failmatch(last
, URANDOM_READ
)) {
89 /* We handle mmap failing, by falling back to read/write, so
90 * don't try all possible paths. */
91 if (last
->type
== FAILTEST_MMAP
)
94 /* Unlock or non-blocking lock is fail-once. */
95 if (is_unlock(last
) || is_nonblocking_lock(last
))