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build: cleanup: define MSG_DONTWAIT/MSG_NO_SIGNAL locally

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Define MSG_DONTWAIT and MSG_NO_SIGNAL in the implementation files that
use them (`net.cpp` and `netbase.cpp`), instead of compat.h which is
included all over the place.

This avoids putting them in the global namespace, as defining them as 0
is a hack that works for our specific usage, but it is not a general
solution.

Also makes sure they are defined only once so the `!defined(MSG_x)` guard can go.
This commit is contained in:
Wladimir J. van der Laan
2017-03-05 09:32:00 +00:00
parent c459d509b7
commit 25da1ee36c
3 changed files with 7 additions and 12 deletions
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7
src/net.cpp
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@@ -44,10 +44,15 @@
// We add a random period time (0 to 1 seconds) to feeler connections to prevent synchronization.
#define FEELER_SLEEP_WINDOW 1
#if !defined(HAVE_MSG_NOSIGNAL) && !defined(MSG_NOSIGNAL)
#if !defined(HAVE_MSG_NOSIGNAL)
#define MSG_NOSIGNAL 0
#endif
// MSG_DONTWAIT is not available on some platforms, if it doesn't exist define it as 0
#if !defined(HAVE_MSG_DONTWAIT)
#define MSG_DONTWAIT 0
#endif
// Fix for ancient MinGW versions, that don't have defined these in ws2tcpip.h.
// Todo: Can be removed when our pull-tester is upgraded to a modern MinGW version.
#ifdef WIN32