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Linux kernel returns -1ULL as RLIM64_INFINITY for all cpus.
Fix RLIM64_INFINTIY and 64-bit variant of RLIM_INFINITY macro for
sparc, mips, alpha, as for these CPUs the library uses different
value than what the kernel sets and it can cause incorrect
RLIM64_INFINTY check.
Because alpha is a 64-bit arch, fix the RLIM_INFINITY macro twice
(the value should be the same with and without __USE_FILE_OFFSET64
definition) to match the prlimit64 syscall in the kernel.
Previous implementation of setrlimit/getrlimit functions didn't use
prlimit64 syscall and didn't receive RLIM64_INFINTIY from the kernel,
RLIM64_INFINTY macro was used by the library itself to mimic the
64-bit rlimit in the getrlimit64/setrlimit64 functions, that allowed
to have RLIM64_INFINTIY different from what the kernel sets.
New implementation of setrlimit/getrlimit uses prlimit64 and checks
for RLIM64_INFINITY value and must have equal RLIM64_INFINITY
definition with what the kernel uses.
This issue is indicated by the tst-rlim/tst-rlim64 tests
on sparc/mips32/alpha, tests return 23 (UNSUPPORTED) because of
incorrect RLIM_INFINTY check for available rlimit type.
This patch will require rebuild of sparc/mips32/alpha binaries that
explicitly use RLIM64_INFINTY or 64-bit variant of RLIM_INFINITY
(if binary for 32-bit CPU was built with _FILE_OFFSET_BITS=64) to
update the macro value.
Signed-off-by: Pavel Kozlov <pavel.kozlov@synopsys.com>
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There is a real-world usage of RUSAGE_THREAD by the pistache project,
https://github.com/oktal/pistache.
Reported-By: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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This macro exists since Linux 2.6.25 [1] and is defined in glibc
since 2.14 [2] for sparc and most supported architectures.
RLIMIT_RTTIME has been added later for mips [3] and alpha [4].
For example, RLIMIT_RTTIME is needed to build qemu 7.0.0 with
Linux user-land emulation support [5].
[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=78f2c7db6068fd6ef75b8c120f04a388848eacb5
[2] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=67f86a251e0d36107fe28999281d46e76941c7b9
[3] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=8969f4df1a526aa60dd0bc1c4736cf02104d4a05
[4] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=53c2cb7641bd866398156625ef672bbd2d78a0d8
[5] https://git.qemu.org/?p=qemu.git;a=commitdiff;h=244fd08323088db73590ff2317dfe86f810b51d7
Signed-off-by: Romain Naour <romain.naour@gmail.com>
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Remove a lot of unused 64 Bit header stuff.
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This matches a similar change made to glibc.
No functional changes here.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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to facilitate the sparc porting work being done by Mathew Bosworth.
-Erik
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