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tests: disable coredumps on sanity-test

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SEGV and ABRT by default cause a core dump, which may create a file,
launch crash handlers, and so on. sanity-test has 21 processes that
are expected to crash like this. Disable core dumps on them all.

I counted 21 entries in coredumpctl list, while only 16 functions needed
patching. After this patch no entries appear in coredumpctl list.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Pekka Paalanen 2018-02-14 14:22:23 +02:00
parent adda7cbbb8
commit 371c26d52b
4 changed files with 53 additions and 1 deletions
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30
tests/test-helpers.c
View file

@ -23,12 +23,20 @@
* SOFTWARE.
*/
#include "config.h"
#include <assert.h>
#include <errno.h>
#include <dirent.h>
#include <stdio.h>
#include <unistd.h>
#include <time.h>
#include <sys/time.h>
#include <sys/resource.h>
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
#include "test-runner.h"
@ -97,3 +105,25 @@ test_sleep(unsigned int sec)
assert(nanosleep(&ts, NULL) == 0);
}
/** Try to disable coredumps
*
* Useful for tests that crash on purpose, to avoid creating a core file
* or launching an application crash handler service or cluttering coredumpctl.
*
* NOTE: Calling this may make the process undebuggable.
*/
void
test_disable_coredumps(void)
{
struct rlimit r;
if (getrlimit(RLIMIT_CORE, &r) == 0) {
r.rlim_cur = 0;
setrlimit(RLIMIT_CORE, &r);
}
#if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE)
prctl(PR_SET_DUMPABLE, 0, 0, 0, 0);
#endif
}