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glibc/include/bits
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Joseph Myers a66bc30d6b Define struct rusage in sys/wait.h when required (bug 21575). 
Some older standards (XPG4.2 through POSIX.1:2001, XSI only) require
sys/wait.h to include the definition of struct rusage.  This is
missing in glibc.

This patch adds the required definition.  struct rusage is moved to a
new header bits/types/struct_rusage.h to avoid bringing in the whole
of sys/resource.h (although the standards in question do allow the
whole of sys/resource.h to be brought in).  In the five
bits/resource.h headers, the only variation between the definitions of
struct rusage is that the sysdeps/unix/sysv/linux version is prepared
for x32 (by having anonymous unions with __syscall_slong_t fields) and
the others are not.  Thus, this version is suitable for use
generically (everything other than x32 simply has __syscall_slong_t
the same as long int, so there are no API or ABI changes involved, and
anonymous unions are already a required language feature for glibc
headers elsewhere), and this patch uses it as a base for the single
implementation of bits/types/struct_rusage.h.

Tested for x86_64, and with build-many-glibcs.py.

	[BZ #21575]
	* resource/bits/types/struct_rusage.h: New file.
	* include/bits/types/struct_rusage.h: Likewise.
	* bits/resource.h (struct rusage): Include
	<bits/types/struct_rusage.h> instead of defining here.
	* sysdeps/unix/sysv/linux/bits/resource.h (struct rusage):
	Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/resource.h (struct rusage):
	Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/resource.h (struct rusage):
	Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/resource.h (struct rusage):
	Likewise.
	* resource/Makefile (headers): Add bits/types/struct_rusage.h.
	* posix/sys/wait.h [__USE_XOPEN_EXTENDED && !__USE_XOPEN2K8]:
	Include <bits/types/struct_rusage.h>
2017-06-19 11:59:19 +00:00
..
types Define struct rusage in sys/wait.h when required (bug 21575). 2017-06-19 11:59:19 +00:00
cmathcalls.h Update. 1998-08-03 16:47:01 +00:00
cpu-set.h Remove __need_schedparam and __cpu_set_t_defined. 2017-06-12 17:11:36 -04:00
dlfcn.h Add first fixes for conformtest for POSIX2008 2012-02-26 21:32:56 -05:00
error.h * misc/error.h: Use __const instead of const. 2007-10-07 17:29:37 +00:00
fcntl2.h * Makerules (sysd-rules): Define PTW for ptw-* files. 2007-05-24 23:55:28 +00:00
getopt_core.h getopt: eliminate __need_getopt by splitting up getopt.h. 2017-04-07 07:53:03 -04:00
getopt_ext.h getopt: eliminate __need_getopt by splitting up getopt.h. 2017-04-07 07:53:03 -04:00
getopt_posix.h getopt: eliminate __need_getopt by splitting up getopt.h. 2017-04-07 07:53:03 -04:00
locale.h New file. 2001-01-26 13:12:51 +00:00
mathcalls-helper-functions.h Split helper classification macros from mathcalls.h 2017-03-15 09:39:16 -03:00
mathcalls.h Update. 1997-06-21 02:59:26 +00:00
poll2.h Add checking versions of poll and ppoll 2012-01-08 11:55:32 -05:00
posix1_lim.h Update. 1997-06-21 02:59:26 +00:00
posix2_lim.h Update. 1997-06-21 02:59:26 +00:00
select2.h Add range checking for FD_SET, FD_CLR, and FD_ISSET 2011-09-08 19:48:47 -04:00
setjmp2.h Check for valid stack frame in longjmp. 2009-05-15 19:37:13 -07:00
socket2.h * include/bits/unistd.h: New file. 2005-03-06 00:28:34 +00:00
stab.def Update. 1997-06-21 02:59:26 +00:00
stdlib-float.h Use IS_IN internally only 2014-11-24 15:24:34 +05:30
stdlib.h * stdlib/bits/stdlib.h: New file. 2005-07-13 06:09:58 +00:00
string2.h Update. 1997-09-11 12:09:10 +00:00
string3.h 2004-10-15 Jakub Jelinek <jakub@redhat.com> 2004-10-18 04:17:19 +00:00
strings_fortified.h Use fortify macros for b{zero,copy} along decl from strings.h 2017-01-05 15:54:13 -02:00
syslog.h New file needed since we have misc/bits/syslog.h. 2005-07-31 15:56:33 +00:00
types.h Move bits/types.h into posix/bits. 2017-02-16 09:43:50 -05:00
unistd.h * include/bits/unistd.h: New file. 2005-03-06 00:28:34 +00:00
wchar2.h * wcsmbs/bits/wchar2.h: New file. 2005-07-15 10:32:45 +00:00
wctype-wchar.h Remove __need macros from stdio.h and wchar.h. 2017-06-08 13:58:17 -04:00
xopen_lim.h Remove __need_IOV_MAX and __need_FOPEN_MAX. 2017-06-14 07:51:30 -04:00