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| author | Joseph Myers <joseph@codesourcery.com> | 2017-05-23 16:47:29 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2017-05-23 16:47:29 +0000 |
| commit | 666c0c5efa6db73632a6894bf028fef9f3b60d71 (patch) | |
| tree | a326647f7dbea09c8ddf1ba9a9dba13f7e77b8e1 /conform | |
| parent | cfed8ece799b6e6540193a14b41d9de52dc3b08f (diff) | |
| download | glibc-666c0c5efa6db73632a6894bf028fef9f3b60d71.tar.gz | |
Fix sigstack namespace (bug 21511).
The sigstack function was removed in the 2001 edition of POSIX, and
the sigstack structure in the 2008 edition. signal.h wrongly includes
those declarations even for newer POSIX versions. This patch fixes
the conditions, and conform/ expectations, accordingly.
This patch makes the minimum change to when these declarations are
present, leaving them visible for __USE_MISC as they would previously
have been visible by default. Arguably these legacy declarations
should only be visible when an old standard is specifically requested,
but implementing that would require arranging for the various sigstack
implementations to be able to see the struct sigstack type despite it
not being in _GNU_SOURCE in that case.
Tested for x86_64.
[BZ #21511]
* signal/signal.h: Include <bits/types/struct_sigstack.h> only if
[(__USE_XOPEN_EXTENDED && !__USE_XOPEN2K8) || __USE_MISC].
(sigstack): Declare only if [(__USE_XOPEN_EXTENDED &&
!__USE_XOPEN2K) || __USE_MISC].
* conform/data/signal.h-data (struct sigstack): Expect type only
if [!XOPEN2K8 && !POSIX2008].
(sigstack): Expect function only if [XPG42 || UNIX98].
Diffstat (limited to 'conform')
| -rw-r--r-- | conform/data/signal.h-data | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/conform/data/signal.h-data b/conform/data/signal.h-data index 3651e86ae1..8fbe3ac55d 100644 --- a/conform/data/signal.h-data +++ b/conform/data/signal.h-data @@ -141,10 +141,12 @@ element stack_t {void*} ss_sp element stack_t size_t ss_size element stack_t int ss_flags +# if !defined XOPEN2K8 && !defined POSIX2008 type {struct sigstack} element {struct sigstack} int ss_onstack element {struct sigstack} {void*} ss_sp +# endif # endif # ifndef XPG4 @@ -249,7 +251,7 @@ function int sigqueue (pid_t, int, const union sigval) function int sigrelse (int) function void (*sigset (int, void(*)(int)))(int) # endif -# if !defined POSIX +# if defined XPG42 || defined UNIX98 function int sigstack (struct sigstack*, struct sigstack*) # endif function int sigsuspend (const sigset_t*) |