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[Bug librt/20489] timer_create in compatibility mode on a 64bit big-endian system segfaults
- From: "joseph at codesourcery dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Thu, 18 Aug 2016 21:30:13 +0000
- Subject: [Bug librt/20489] timer_create in compatibility mode on a 64bit big-endian system segfaults
- Auto-submitted: auto-generated
- References: <email@example.com/bugzilla/>
--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Thu, 18 Aug 2016, ian.merin at thalesesec dot com wrote:
> #if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
> timer_create is redirected to
> int __timer_create_old (clockid_t clock_id, struct sigevent *evp,
> int *timerid)
> however, the signature for timer_create is:
> int timer_create(clockid_t clockid, struct sigevent *sevp,
> timer_t *timerid);
> On this system, timer_t is defined as a 64bit type, while int is defined as a
> 32 bit type.
And in glibc versions in the relevant interval, timer_t was int. So this
redirection to a function taking int * is correct; callers of this
function were compiled against glibc versions at least 2.2 and less than
2.3.3, and will be passing a pointer to int.
If there's a problem here, you'll need to explain it further.
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