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45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
#include <darwintest.h>
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#include <darwintest_utils.h>
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#include <mach-o/dyld.h>
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#include <mach-o/dyld_priv.h>
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#include <TargetConditionals.h>
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T_GLOBAL_META(T_META_NAMESPACE("xnu.shared_cache"));
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// Give the test up to two minutes because in the failure case we want to invoke update_dyld_shared_cache, which
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// might take a bit to do.
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T_DECL(present, "tests that the device is running with a shared cache", T_META_ASROOT(true), T_META_TIMEOUT(120))
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{
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size_t shared_cache_len = 0;
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const void *cache_header = _dyld_get_shared_cache_range(&shared_cache_len);
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#if TARGET_OS_OSX
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T_SKIP("shared cache testing support incomplete (57267667)");
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#endif /* TARGET_OS_OSX */
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if ((cache_header == NULL) || (shared_cache_len == 0)) {
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#if TARGET_OS_OSX
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char *tmp_dir = (char *) dt_tmpdir();
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T_QUIET; T_ASSERT_NOTNULL(tmp_dir, "darwintest created tmp dir");
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// Try to invoke update_dyld_shared_cache to gather information on why we're not running with a shared cache
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char *shared_cache_update_cmd[] = { "/usr/bin/update_dyld_shared_cache", "-debug", "-cache_dir", tmp_dir, NULL };
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pid_t child1 = dt_launch_tool_pipe(shared_cache_update_cmd, false, NULL, ^bool (char *data, __unused size_t data_size, __unused dt_pipe_data_handler_context_t *context) {
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T_LOG("%s", data);
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return false;
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}, ^bool (__unused char *data, __unused size_t data_size, __unused dt_pipe_data_handler_context_t *context) {
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T_LOG("%s", data);
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return false;
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}, BUFFER_PATTERN_LINE, NULL);
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int status = 0;
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dt_waitpid(child1, &status, NULL, 0);
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T_LOG("waitpid for %d returned with status %d", child1, WEXITSTATUS(status));
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#endif // TARGET_OS_OSX
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T_ASSERT_NOTNULL(cache_header, "shared cache present");
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T_ASSERT_GT((int) shared_cache_len, 0, "shared cache has non-zero length");
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}
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T_PASS("shared cache appears to be present and valid");
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}
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