tools/testing/selftests/kvm/lib/assert.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/kvm/lib/assert.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/kvm/lib/assert.c
Extension
.c
Size
2318 bytes
Lines
103
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

static void test_dump_stack(void) {}
#endif

static pid_t _gettid(void)
{
	return syscall(SYS_gettid);
}

void __attribute__((noinline))
test_assert(bool exp, const char *exp_str,
	const char *file, unsigned int line, const char *fmt, ...)
{
	va_list ap;

	if (!(exp)) {
		va_start(ap, fmt);

		fprintf(stderr, "==== Test Assertion Failure ====\n"
			"  %s:%u: %s\n"
			"  pid=%d tid=%d errno=%d - %s\n",
			file, line, exp_str, getpid(), _gettid(),
			errno, strerror(errno));
		test_dump_stack();
		if (fmt) {
			fputs("  ", stderr);
			vfprintf(stderr, fmt, ap);
			fputs("\n", stderr);
		}
		va_end(ap);

		if (errno == EACCES) {
			print_skip("Access denied - Exiting");
			exit(KSFT_SKIP);
		}
		exit(254);
	}

	return;
}

Annotation

Implementation Notes