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lib: Teach igt to handle signal failures gracefully

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If we see a fatal signal in a subtest, fail.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2015-05-08 14:35:37 +01:00
parent be955173d0
commit 578795ff95
2 changed files with 9 additions and 7 deletions
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10
lib/igt_core.c
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@ -368,7 +368,7 @@ void __igt_fixture_end(void)
assert(in_fixture);
in_fixture = false;
longjmp(igt_subtest_jmpbuf, 1);
siglongjmp(igt_subtest_jmpbuf, 1);
}
/*
@ -821,7 +821,7 @@ static void exit_subtest(const char *result)
printf("Subtest %s: %s (%.3fs)\n", in_subtest, result, elapsed);
in_subtest = NULL;
longjmp(igt_subtest_jmpbuf, 1);
siglongjmp(igt_subtest_jmpbuf, 1);
}
/**
@ -1409,8 +1409,6 @@ static void fatal_sig_handler(int sig)
{
int i;
restore_all_sig_handler();
for (i = 0; i < ARRAY_SIZE(handled_signals); i++) {
if (handled_signals[i].number != sig)
continue;
@ -1423,9 +1421,13 @@ static void fatal_sig_handler(int sig)
igt_assert_eq(write(STDERR_FILENO, ".\n", 2), 2);
}
if (in_subtest)
exit_subtest("CRASH");
break;
}
restore_all_sig_handler();
/*
* exit_handler_disabled is always false here, since when we set it
* we also block signals.

6
lib/igt_core.h
View File

@ -107,7 +107,7 @@ void __igt_fixture_end(void) __attribute__((noreturn));
#define igt_fixture for (int igt_tokencat(__tmpint,__LINE__) = 0; \
igt_tokencat(__tmpint,__LINE__) < 1 && \
__igt_fixture() && \
(setjmp(igt_subtest_jmpbuf) == 0); \
(sigsetjmp(igt_subtest_jmpbuf, 1) == 0); \
igt_tokencat(__tmpint,__LINE__) ++, \
__igt_fixture_complete())
@ -164,14 +164,14 @@ bool __igt_run_subtest(const char *subtest_name);
* This is a simpler version of igt_subtest_f()
*/
#define igt_subtest(name) for (; __igt_run_subtest((name)) && \
(setjmp(igt_subtest_jmpbuf) == 0); \
(sigsetjmp(igt_subtest_jmpbuf, 1) == 0); \
igt_success())
#define __igt_subtest_f(tmp, format...) \
for (char tmp [256]; \
snprintf( tmp , sizeof( tmp ), \
format), \
__igt_run_subtest( tmp ) && \
(setjmp(igt_subtest_jmpbuf) == 0); \
(sigsetjmp(igt_subtest_jmpbuf, 1) == 0); \
igt_success())
/**