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os: wrap accept4(SOCK_CLOEXEC)

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Some system C libraries do not have SOCK_CLOEXEC, and completely miss
accept4(), too. Provide a fallback for this case.

This changes the behaviour: no error messages are printed now for
failing to set CLOEXEC but the file descriptor is closed.

The unit test for this wrapper is NOT included.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-03-22 14:16:10 +02:00
parent b2eaf870cf
commit ff50f6bfc4
5 changed files with 29 additions and 8 deletions
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2
configure.ac
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@ -39,6 +39,8 @@ if test "x$GCC" = "xyes"; then
fi
AC_SUBST(GCC_CFLAGS)
AC_CHECK_FUNCS([accept4])
AC_ARG_ENABLE([scanner],
[AC_HELP_STRING([--disable-scanner],
[Disable compilation of wayland-scannner])],