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fix stall in unittest for issue #11006 #11060

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Merged
thewilsonator merged 1 commit into from
Jul 11, 2026
+12 −1
Merged

fix stall in unittest for issue #11006 #11060

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13 changes: 12 additions & 1 deletion std/stdio.d
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Original file line number Diff line number Diff line change
Expand Up @@ -3881,6 +3881,7 @@ version (linux)
@system unittest
{
import core.atomic : atomicLoad, atomicStore;
import core.sys.posix.poll : poll, pollfd, POLLIN;
import core.sys.posix.pthread : pthread_kill;
import core.sys.posix.signal : SA_RESTART, SIGUSR1, sigaction, sigaction_t,
sigemptyset;
Expand Down Expand Up @@ -3921,7 +3922,17 @@ version (linux)
// Drain the pipe so the blocked write can make progress and complete.
ubyte[4096] buf;
while (!atomicLoad(done))
read(p.readEnd.fileno, buf.ptr, buf.length);
{
pollfd pfd =
{
fd : p.readEnd.fileno,
events : POLLIN,
revents : 0
};
int ret = poll(&pfd, 1, 100); // 100ms timeout
if (ret > 0 && (pfd.revents & POLLIN))
read(p.readEnd.fileno, buf.ptr, buf.length);
}
t.join();

assert(!atomicLoad(threw),
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