passfd: fix test regression on Linux

[gnulib.git] / ChangeLog

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+2011-04-21  Eric Blake  <eblake@redhat.com>
+
+       passfd: fix test regression on Linux
+       * modules/passfd-tests (configure.ac): Correct socketpair check.
+
+       passfd: speed up configure and drop unused code
+       * m4/afunix.m4 (gl_SOCKET_AFUNIX): Rename...
+       * m4/passfd.m4 (gl_PASSFD): ...to something more fitting of
+       its use.  Drop test for setting unused HAVE_UNIXSOCKET_SCM_RIGHTS.
+       Instead of probing at configure for unix_scm_rights_bsd44_way,
+       instead probe for CMSG_FIRSTHDR at compile time.  Simplify BSD 4.3
+       check to a struct member probe.
+       * lib/passfd.c (includes): Nothing here requires <sys/un.h>.
+       (sendfd, recvfd): Update preprocessor checks.
+       * modules/passfd (Files): Reflect rename, and drop unused file.
+       (Depends-on): Drop unused dependency.
+
+       passfd: allow compilation on mingw
+       * modules/sys_socket (Depends-on): Add sys_uio.
+       * lib/sys_socket.in.h [!@HAVE_SYS_SOCKET_H@]: Use it for struct
+       iovec and a minimal struct msghdr.
+       * m4/afunix.m4 (gl_SOCKET_AFUNIX): Detect recvmsg/sendmsg.
+       * tests/test-sys_socket.c (main): Enhance test.
+       * lib/passfd.c (include): Drop <sys/uio.h>; <sys/sockets.h> is
+       guaranteed to provide what we need.
+       (sendmsg, recvmsg): Declare fallbacks if we lack sendmsg.
+       * modules/passfd-tests (Depends-on): Add sys_wait.
+       * tests/test-passfd.c (main): Skip test on mingw, for now.
+       * doc/posix-headers/sys_socket.texi (sys/socket.h): Document the
+       partial 'struct msghdr' implementation.
+
+       sys_uio: new module
+       * modules/sys_uio: New module.
+       * modules/sys_uio-tests: Likewise.
+       * lib/sys_uio.in.h: New file.
+       * m4/sys_uio_h.m4: Likewise.
+       * tests/test-sys_uio.c: Likewise.
+       * doc/posix-headers/sys_uio.texi (sys/uio.h): Document it.
+       * MODULES.html.sh (systems lacking POSIX:2008): Likewise.
+
 2011-04-20  Jim Meyering  <meyering@redhat.com>
 
        useless-if-before-free: avoid false-positive