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test506: verify aa68848451

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After the fixed cookie lock deadlock, this test now passes and it
detects double-locking and double-unlocking of mutexes.
This commit is contained in:
Daniel Stenberg
2014-07-16 00:09:58 +02:00
parent aa68848451
commit 4cb2521595
2 changed files with 41 additions and 17 deletions
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28
tests/libtest/lib506.c
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@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -40,12 +40,15 @@ struct userdata {
int counter;
};
int lock[3];
/* lock callback */
static void my_lock(CURL *handle, curl_lock_data data, curl_lock_access laccess,
void *useptr )
{
const char *what;
struct userdata *user = (struct userdata *)useptr;
int locknum;
(void)handle;
(void)laccess;
@@ -53,17 +56,28 @@ static void my_lock(CURL *handle, curl_lock_data data, curl_lock_access laccess,
switch ( data ) {
case CURL_LOCK_DATA_SHARE:
what = "share";
locknum = 0;
break;
case CURL_LOCK_DATA_DNS:
what = "dns";
locknum = 1;
break;
case CURL_LOCK_DATA_COOKIE:
what = "cookie";
locknum = 2;
break;
default:
fprintf(stderr, "lock: no such data: %d\n", (int)data);
return;
}
/* detect locking of locked locks */
if(lock[locknum]) {
printf("lock: double locked %s\n", what);
return;
}
lock[locknum]++;
printf("lock: %-6s [%s]: %d\n", what, user->text, user->counter);
user->counter++;
}
@@ -73,21 +87,33 @@ static void my_unlock(CURL *handle, curl_lock_data data, void *useptr )
{
const char *what;
struct userdata *user = (struct userdata *)useptr;
int locknum;
(void)handle;
switch ( data ) {
case CURL_LOCK_DATA_SHARE:
what = "share";
locknum = 0;
break;
case CURL_LOCK_DATA_DNS:
what = "dns";
locknum = 1;
break;
case CURL_LOCK_DATA_COOKIE:
what = "cookie";
locknum = 2;
break;
default:
fprintf(stderr, "unlock: no such data: %d\n", (int)data);
return;
}
/* detect unlocking of unlocked locks */
if(!lock[locknum]) {
printf("unlock: double unlocked %s\n", what);
return;
}
lock[locknum]--;
printf("unlock: %-6s [%s]: %d\n", what, user->text, user->counter);
user->counter++;
}