copied to the output string. The space required for that extra byte must also be
allocated.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>

Test for behavior when sending a packet with no TCP flag set

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Sponsored by:	Netflix

When using remote mode, eth0 only makes sense for Linux. So don't
use it on non-Linux platforms. Additionally, check for an interface
being specified and, when acting as a client, that a server address
is specified.

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When a blocking system call is ongoing, the error message shown was
wrong. It was indicated that a blocking system call is on-going when
the program terminates. This is correct, but hides the error message
which describes why packetdrill is terminating.

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Test for establishing a connection after a reset

Test for behavior when sending a packet with both SYN and ACK bits set

Test for behavior when sending a packet with both SYN and RST bits set

Test for closing a connection using FIN flag

Test for behavior when sending a packet with RST bit set but no SYN bit set

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FreeBSD supports usleep(), so use it.
Sonsored by Netflix.

This fixes a bug on non-Linux system for the handling of
blocking system calls. While waiting, release the state
mutex.
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The thread name is only used for debugging. On Linux this
breaks is_thread_sleeping(), since it assumes that the
process or threadname contains no space. Just don't set
this on Linux, so avoid any problems.

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This was missed in the commit addig a function for determing whether
a thread sleeps or not.

Fixes for sctp stream reconfiguration

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This is required to support blocking system calls on FreeBSD.
Sponsored by Netflix.

This helps in debugging.