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Check for potential infinite select() loops when building

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This commit is contained in:
Eelco Dolstra 2012-12-18 18:50:05 +01:00
parent a9045c727f
commit cc511fd65b
1 changed files with 2 additions and 0 deletions
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2
src/libstore/build.cc
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@ -3141,6 +3141,8 @@ void Worker::waitForInput()
}
}
assert(fdMax != 0);
if (select(fdMax, &fds, 0, 0, useTimeout ? &timeout : 0) == -1) {
if (errno == EINTR) return;
throw SysError("waiting for input");