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Fix: don't SIGBUS when filesystem is full
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fri, 18 May 2012 21:07:06 +0000 (17:07 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fri, 18 May 2012 21:10:30 +0000 (17:10 -0400)
Write zeroes into the buffer after its allocation to ensure that writes
to the shm will not trigger SIGBUS upon full filesystem situations.

This scenario can occur if /dev/shm is filled, e.g. by specifying too
large buffers with --enable-channel.

When the write() fails, the buffer creation for this channel fails.

Fixes #230

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

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