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Fix waitid namespace (bug 21561).

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In sys/wait.h, waitid and associated constants and types are UX-shaded
in XPG4.2 (so not in XPG4), and XSI-shaded in POSIX before 2008, so
should be appropriately conditional in the headers.  This patch fixes
the conditionals accordingly.  (WCONTINUED is actually still
XSI-shaded in POSIX.1:2008, but W* is also reserved there without
XSI-shading, so nothing special needs to be done about the
conditionals on WCONTINUED to conform to POSIX.1:2008 namespace
rules.)

Tested for x86_64.

	[BZ #21561]
	* posix/sys/wait.h (idtype_t): Change [__USE_XOPEN] condition to
	[__USE_XOPEN_EXTENDED].
	(id_t): Likewise.
	(include of <bits/types/siginfo_t.h): Likewise.
	(waitid): Likewise.
	* sysdeps/unix/sysv/linux/bits/waitflags.h (WSTOPPED): Condition
	on [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8].
	(WEXITED): Likewise.
	(WCONTINUED): Likewise.
	(WNOWAIT): Likewise.
	* conform/Makefile (test-xfail-XPG4/stdlib.h/conform): Remove.
	(test-xfail-XPG4/sys/wait.h/conform): Likewise.
	(test-xfail-POSIX/sys/wait.h/conform): Likewise.
This commit is contained in:
Joseph Myers 2017-06-09 16:28:07 +00:00
parent 10d33c5a86
commit a17973efc6
4 changed files with 23 additions and 9 deletions
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15
ChangeLog
View File

@ -1,5 +1,20 @@
2017-06-09 Joseph Myers <joseph@codesourcery.com>
[BZ #21561]
* posix/sys/wait.h (idtype_t): Change [__USE_XOPEN] condition to
[__USE_XOPEN_EXTENDED].
(id_t): Likewise.
(include of <bits/types/siginfo_t.h): Likewise.
(waitid): Likewise.
* sysdeps/unix/sysv/linux/bits/waitflags.h (WSTOPPED): Condition
on [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8].
(WEXITED): Likewise.
(WCONTINUED): Likewise.
(WNOWAIT): Likewise.
* conform/Makefile (test-xfail-XPG4/stdlib.h/conform): Remove.
(test-xfail-XPG4/sys/wait.h/conform): Likewise.
(test-xfail-POSIX/sys/wait.h/conform): Likewise.
* sysdeps/unix/sysv/linux/nios2/localplt.data (__gtdf2): Mark
libc.so PLT entry optional.
(__gtsf2): Likewise.

3
conform/Makefile
View File

@ -162,12 +162,9 @@ test-xfail-XOPEN2K8/ndbm.h/conform = yes
# Unsorted expected failures.
test-xfail-XPG4/signal.h/conform = yes
test-xfail-XPG4/stdlib.h/conform = yes
test-xfail-XPG4/sys/wait.h/conform = yes
test-xfail-XPG42/signal.h/conform = yes
test-xfail-XPG42/sys/wait.h/conform = yes
test-xfail-XPG42/ucontext.h/conform = yes
test-xfail-POSIX/sys/wait.h/conform = yes
test-xfail-UNIX98/signal.h/conform = yes
test-xfail-UNIX98/sys/wait.h/conform = yes
test-xfail-UNIX98/ucontext.h/conform = yes

4
posix/sys/wait.h
View File

@ -64,7 +64,7 @@ typedef __pid_t pid_t;
#endif
/* The following values are used by the `waitid' function. */
#if defined __USE_XOPEN || defined __USE_XOPEN2K8
#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
typedef enum
{
P_ALL, /* Wait for any child. */
@ -104,7 +104,7 @@ extern __pid_t wait (int *__stat_loc);
__THROW. */
extern __pid_t waitpid (__pid_t __pid, int *__stat_loc, int __options);
#if defined __USE_XOPEN || defined __USE_XOPEN2K8
#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
# ifndef __id_t_defined
typedef __id_t id_t;
# define __id_t_defined

10
sysdeps/unix/sysv/linux/bits/waitflags.h
View File

@ -26,10 +26,12 @@
#define WUNTRACED 2 /* Report status of stopped children. */
/* Bits in the fourth argument to `waitid'. */
#define WSTOPPED 2 /* Report stopped child (same as WUNTRACED). */
#define WEXITED 4 /* Report dead child. */
#define WCONTINUED 8 /* Report continued child. */
#define WNOWAIT 0x01000000 /* Don't reap, just poll status. */
#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
# define WSTOPPED 2 /* Report stopped child (same as WUNTRACED). */
# define WEXITED 4 /* Report dead child. */
# define WCONTINUED 8 /* Report continued child. */
# define WNOWAIT 0x01000000 /* Don't reap, just poll status. */
#endif
#define __WNOTHREAD 0x20000000 /* Don't wait on children of other threads
in this group */