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unit-tests: Support testing multi-threaded code

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This commit is contained in:
Martin Willi
2013-11-06 10:31:01 +01:00
parent f23fd4c59b
commit 23b8f9bf86
2 changed files with 49 additions and 7 deletions
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src/libstrongswan/tests/test_suite.c
+42 -5
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@@ -18,6 +18,8 @@
#include <signal.h>
#include <unistd.h>
#include <pthread.h>
/**
* Failure message buf
*/
@@ -117,12 +119,25 @@ void test_suite_add_case(test_suite_t *suite, test_case_t *tcase)
array_insert(suite->tcases, -1, tcase);
}
/**
* Main thread performing tests
*/
static pthread_t main_thread;
/**
* Let test case fail
*/
static inline void test_failure()
{
siglongjmp(test_restore_point_env, 1);
if (pthread_self() == main_thread)
{
siglongjmp(test_restore_point_env, 1);
}
else
{
pthread_kill(main_thread, SIGUSR1);
/* how can we stop just the thread? longjmp to a restore point? */
}
}
/**
@@ -163,6 +178,9 @@ static void test_sighandler(int signal)
switch (signal)
{
case SIGUSR1:
/* a different thread failed, abort test */
return test_failure();
case SIGSEGV:
signame = "SIGSEGV";
break;
@@ -189,6 +207,11 @@ static void test_sighandler(int signal)
lib->leak_detective->set_state(lib->leak_detective, old);
}
test_fail_msg(NULL, 0, "%s(%d)", signame, signal);
/* unable to restore a valid context for that thread, terminate */
fprintf(stderr, "\n%s(%d) outside of main thread:\n", signame, signal);
failure_backtrace->log(failure_backtrace, stderr, TRUE);
fprintf(stderr, "terminating...\n");
abort();
}
/**
@@ -196,15 +219,20 @@ static void test_sighandler(int signal)
*/
void test_setup_handler()
{
struct sigaction action;
struct sigaction action = {
.sa_handler = test_sighandler,
};
action.sa_handler = test_sighandler;
action.sa_flags = 0;
sigemptyset(&action.sa_mask);
main_thread = pthread_self();
/* signal handler inherited by all threads */
sigaction(SIGSEGV, &action, NULL);
sigaction(SIGILL, &action, NULL);
sigaction(SIGBUS, &action, NULL);
/* ignore ALRM/USR1, these are catched by main thread only */
action.sa_handler = SIG_IGN;
sigaction(SIGALRM, &action, NULL);
sigaction(SIGUSR1, &action, NULL);
}
/**
@@ -212,6 +240,15 @@ void test_setup_handler()
*/
void test_setup_timeout(int s)
{
struct sigaction action = {
.sa_handler = test_sighandler,
};
/* This called by main thread only. Setup handler for timeout and
* failure cross-thread signaling. */
sigaction(SIGALRM, &action, NULL);
sigaction(SIGUSR1, &action, NULL);
alarm(s);
}