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lucannez64andClaude Opus 5.5
f7eef7d88a
Wait up to 2 s for the cancellation callback instead of one 50 ms run-loop pass, count only callbacks without stored addresses so a completed lookup cannot pass as a cancellation, print the failing stage, and have the runner require the exact success line since Darling can exit zero after a trap. Co-Authored-By: Claude Opus 5.5 <[email protected]>
44 lines
1.9 KiB
C
44 lines
1.9 KiB
C
#include <CoreFoundation/CoreFoundation.h>
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#include <CFNetwork/CFHost.h>
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#include <stdio.h>
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static unsigned callbacks, unexpected;
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static void completed(CFHostRef host, CFHostInfoType type,
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const CFStreamError *error, void *info) {
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/* A cancellation stores no addresses; a completed lookup always does. */
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Boolean resolved = false;
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if (host) CFHostGetAddressing(host, &resolved);
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if (host && type == kCFHostAddresses && info == &callbacks && !resolved)
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++callbacks;
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else
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++unexpected;
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}
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static int fail(const char *stage, unsigned i) {
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printf("CFHOST_CANCEL_CHECK fail stage=%s iteration=%u callbacks=%u unexpected=%u\n",
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stage, i, callbacks, unexpected);
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return 1;
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}
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int main(void) {
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CFHostClientContext context = {0, &callbacks, NULL, NULL, NULL};
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for (unsigned i = 0; i < 100; ++i) {
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CFHostRef host = CFHostCreateWithName(NULL, CFSTR("localhost"));
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CFStreamError error = {0};
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if (!host || !CFHostSetClient(host, completed, &context)) return fail("client", i);
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CFHostScheduleWithRunLoop(host, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
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if (!CFHostStartInfoResolution(host, kCFHostAddresses, &error)) return fail("start", i);
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CFHostCancelInfoResolution(host, kCFHostAddresses);
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/* The cancel source must keep its host alive until delivery. */
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if (i % 2) CFRelease(host);
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CFAbsoluteTime deadline = CFAbsoluteTimeGetCurrent() + 2.0;
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while (callbacks != i + 1 && !unexpected && CFAbsoluteTimeGetCurrent() < deadline)
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CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.05, true);
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if (unexpected) return fail("unexpected-callback", i);
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if (callbacks != i + 1) return fail("cancel-callback", i);
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if (!(i % 2)) CFRelease(host);
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}
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puts("CFHOST_CANCEL_CHECK cancel callback lifetime repeated pass=1");
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return 0;
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}
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