timespec-add, timespec-sub: new modules

[gnulib.git] / ChangeLog

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+2011-06-30  Paul Eggert  <eggert@cs.ucla.edu>
+
+       timespec-add, timespec-sub: new modules
+       * lib/timespec.h (timespec_add, timespec_sub): New decls.
+       * lib/timespec-add.c, lib/timespec-sub.c:
+       * modules/timespec-add, modules/timespec-sub: New files.
+
+       dtotimespec: new module
+       * lib/timespec.h (dtotimespec): New decl.
+       * lib/dtotimespec.c, modules/dtotimespec: New files.
+
+       * lib/timespec.h (timespec_sign, timespectod): New inline functions.
+
+       pselect: new module
+       * lib/sys_select.in.h: Include <signal.h>, for 'sigset_t'.
+       (pselect): New decls.
+       * m4/sys_select_h.m4 (gl_HEADER_SYS_SELECT): Require AC_C_RESTRICT,
+       since the standard pselect decl uses 'restrict'.
+       (gl_SYS_SELECT_H_DEFAULTS): Add defaults for GNULIB_PSELECT,
+       HAVE_PSELECT, REPLACE_PSELECT.
+       * modules/sys_select (sys/select.h): Substitute GNULIB_PSELECT,
+       HAVE_PSELECT, REPLACE_PSELECT.
+       * lib/pselect.c, m4/pselect.m4, modules/pselect: New files.
+
+       sys_select: don't depend on sys_socket
+       This is so that Emacs doesn't have to drag in m4/sockpfaf.m4 etc; see
+       <http://lists.gnu.org/archive/html/bug-gnulib/2011-06/msg00358.html>.
+       This fix works on GNU and GNU-like platforms, but has not been tested
+       on native Windows.
+       * lib/sys_select.in.h: Include <sys/socket.h> only if native Windows.
+       * m4/sys_select_h.m4 (gl_HEADER_SYS_SELECT): Do not require
+       gl_HEADER_SYS_SOCKET.
+       * modules/sys_select (Files): Add m4/sys_socket_h.m4, for
+       gl_PREREQ_SYS_H_WINSOCK2.
+
 2011-06-29  Eric Blake  <eblake@redhat.com>
 
        pipe2: fix C89 compile problem