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Generation numbers didn't catch all potential yields on output

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io_output_if_queue_long() called ef_make_stale() only for long queues.
Missed in commit 2fa5f652, v4.3.24.
(cherry picked from commit a38c47a22c)
This commit is contained in:
Markus Armbruster 2010-02-21 18:44:16 +01:00
parent 065881143e
commit 069fb10409
1 changed files with 4 additions and 1 deletions
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5
src/lib/empthread/io.c
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@ -250,8 +250,11 @@ io_output_if_queue_long(struct iop *iop, int wait)
if (CANT_HAPPEN(iop->last_out > len)) if (CANT_HAPPEN(iop->last_out > len))
iop->last_out = 0; iop->last_out = 0;
if (len - iop->last_out < iop->bufsize) if (len - iop->last_out < iop->bufsize) {
if (wait)
ef_make_stale();
return 0; return 0;
}
return io_output(iop, wait); return io_output(iop, wait);
} }