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MIPS: Fix RLIM64_INFINITY constant for O32 and N32 ABIs
Fix the RLIM64_INFINITY constant for O32 and N32 ABIs to match the kernel one. Change the getrlimit64/setrlimit64 into old compat symbols, and provide the Linux generic getrlimit64/setrlimit64 functions as GLIBC_2_19 version.
This commit is contained in:
Aurelien Jarno
parent
9480dfe2a3
commit
24d8773d06
@ -1,3 +1,18 @@
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2013-11-27 Aurelien Jarno <aurelien@aurel32.net>
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* sysdeps/unix/sysv/linux/mips/bits/resource.h (RLIM64_INFINITY): Fix
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Fix 64-bit value for 32-bit ABIs.
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* sysdeps/unix/sysv/linux/mips/getrlimit64.c: Rename generic getrlimit64
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version as getrlimit64@@GLIBC_2_2. Provide the getrlimit64 as
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getrlimit64@@GLIBC_2_19.
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* sysdeps/unix/sysv/linux/mips/setrlimit64.c: Ditto with setrlimit64.
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* sysdeps/unix/sysv/linux/mips/mips32/nptl/libc.abilist (GLIBC_2.19):
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Add getrlimit64 and setrlimit64.
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* sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libc.abilist: Ditto.
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* sysdeps/unix/sysv/linux/mips/mips32/Versions (libc): Add
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getrlimit64@@GLIBC_2_19 and setrlimit64@@GLIBC_2_19.
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* sysdeps/unix/sysv/linux/mips/mips64/n32/Versions: Ditto.
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2013-11-27 Aurelien Jarno <aurelien@aurel32.net>
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* sysdeps/unix/sysv/linux/mips/getrlimit64.c: On O32 and N32 ABIs,
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@ -122,10 +122,10 @@ enum __rlimit_resource
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# ifndef __USE_FILE_OFFSET64
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# define RLIM_INFINITY ((long int)(~0UL >> 1))
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# else
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# define RLIM_INFINITY 0x7fffffffffffffffULL
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# define RLIM_INFINITY 0xffffffffffffffffULL
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# endif
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# ifdef __USE_LARGEFILE64
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# define RLIM64_INFINITY 0x7fffffffffffffffULL
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# define RLIM64_INFINITY 0xffffffffffffffffULL
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# endif
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#endif
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@ -15,17 +15,18 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sys/resource.h>
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#if _MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIN32
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# define getrlimit64 static __internal_getrlimit64
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# undef libc_hidden_def
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# define libc_hidden_def(name)
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# include <shlib-compat.h>
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# define getrlimit64 __new_getrlimit64
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# include <sysdeps/unix/sysv/linux/getrlimit64.c>
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# undef getrlimit64
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# undef libc_hidden_def
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# define libc_hidden_def(name) hidden_def (name)
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versioned_symbol (libc, __new_getrlimit64, getrlimit64, GLIBC_2_19);
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strong_alias (__new_getrlimit64, __GI_getrlimit64)
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# if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_19)
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/* RLIM64_INFINITY was supposed to be a glibc convention rather than
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anything seen by the kernel, but it ended being passed to the kernel
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@ -33,31 +34,32 @@
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the wrong constant value are in the wild, provide a wrapper function
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fixing the value after the syscall. */
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# define GLIBC_RLIM64_INFINITY 0x7fffffffffffffffULL
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# define KERNEL_RLIM64_INFINITY 0xffffffffffffffffULL
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# define OLD_RLIM64_INFINITY 0x7fffffffffffffffULL
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int
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getrlimit64 (enum __rlimit_resource resource,
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struct rlimit64 *rlimits)
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attribute_compat_text_section
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__old_getrlimit64 (enum __rlimit_resource resource,
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struct rlimit64 *rlimits)
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{
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struct rlimit64 krlimits;
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if (__internal_getrlimit64 (resource, &krlimits) < 0)
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if (__new_getrlimit64 (resource, &krlimits) < 0)
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return -1;
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if (krlimits.rlim_cur == KERNEL_RLIM64_INFINITY)
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rlimits->rlim_cur = GLIBC_RLIM64_INFINITY;
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if (krlimits.rlim_cur == RLIM64_INFINITY)
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rlimits->rlim_cur = OLD_RLIM64_INFINITY;
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else
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rlimits->rlim_cur = krlimits.rlim_cur;
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if (krlimits.rlim_max == KERNEL_RLIM64_INFINITY)
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rlimits->rlim_max = GLIBC_RLIM64_INFINITY;
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if (krlimits.rlim_max == RLIM64_INFINITY)
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rlimits->rlim_max = OLD_RLIM64_INFINITY;
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else
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rlimits->rlim_max = krlimits.rlim_max;
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return 0;
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}
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libc_hidden_def (getrlimit64)
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compat_symbol (libc, __old_getrlimit64, getrlimit64, GLIBC_2_2);
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# endif
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#else /* !_ABI_O32 && !_ABI_N32 */
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# include <sysdeps/unix/sysv/linux/getrlimit64.c>
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6
ports/sysdeps/unix/sysv/linux/mips/mips32/Versions
Normal file
6
ports/sysdeps/unix/sysv/linux/mips/mips32/Versions
Normal file
@ -0,0 +1,6 @@
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libc {
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GLIBC_2.19 {
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getrlimit64;
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setrlimit64;
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}
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}
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@ -1403,6 +1403,10 @@ GLIBC_2.18
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__cxa_thread_atexit_impl F
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__mips_fpu_getcw F
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__mips_fpu_setcw F
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GLIBC_2.19
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GLIBC_2.19 A
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getrlimit64 F
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setrlimit64 F
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GLIBC_2.2
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GLIBC_2.2 A
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_Exit F
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6
ports/sysdeps/unix/sysv/linux/mips/mips64/n32/Versions
Normal file
6
ports/sysdeps/unix/sysv/linux/mips/mips64/n32/Versions
Normal file
@ -0,0 +1,6 @@
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libc {
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GLIBC_2.19 {
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getrlimit64;
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setrlimit64;
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}
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}
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@ -1401,6 +1401,10 @@ GLIBC_2.17
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GLIBC_2.18
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GLIBC_2.18 A
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__cxa_thread_atexit_impl F
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GLIBC_2.19
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GLIBC_2.19 A
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getrlimit64 F
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setrlimit64 F
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GLIBC_2.2
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GLIBC_2.2 A
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_Exit F
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@ -15,41 +15,49 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sys/resource.h>
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#if _MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIN32
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# define setrlimit64 static __internal_setrlimit64
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# include <shlib-compat.h>
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# define setrlimit64 __new_setrlimit64
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# include <sysdeps/unix/sysv/linux/setrlimit64.c>
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# undef setrlimit64
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versioned_symbol (libc, __new_setrlimit64, setrlimit64, GLIBC_2_19);
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# if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_19)
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/* RLIM64_INFINITY was supposed to be a glibc convention rather than
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anything seen by the kernel, but it ended being passed to the kernel
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through the prlimit64 syscall. Given that a lot of binaries with
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the wrong constant value are in the wild, provide a wrapper function
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fixing the value before the syscall. */
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# define GLIBC_RLIM64_INFINITY 0x7fffffffffffffffULL
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# define KERNEL_RLIM64_INFINITY 0xffffffffffffffffULL
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# define OLD_RLIM64_INFINITY 0x7fffffffffffffffULL
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int
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setrlimit64 (enum __rlimit_resource resource,
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const struct rlimit64 *rlimits)
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attribute_compat_text_section
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__old_setrlimit64 (enum __rlimit_resource resource,
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const struct rlimit64 *rlimits)
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{
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struct rlimit64 krlimits;
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if (rlimits->rlim_cur == GLIBC_RLIM64_INFINITY)
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krlimits.rlim_cur = KERNEL_RLIM64_INFINITY;
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if (rlimits->rlim_cur == OLD_RLIM64_INFINITY)
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krlimits.rlim_cur = RLIM64_INFINITY;
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else
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krlimits.rlim_cur = rlimits->rlim_cur;
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if (rlimits->rlim_max == GLIBC_RLIM64_INFINITY)
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krlimits.rlim_max = KERNEL_RLIM64_INFINITY;
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if (rlimits->rlim_max == OLD_RLIM64_INFINITY)
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krlimits.rlim_max = RLIM64_INFINITY;
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else
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krlimits.rlim_max = rlimits->rlim_max;
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return __internal_setrlimit64 (resource, &krlimits);
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return __new_setrlimit64 (resource, &krlimits);
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}
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compat_symbol (libc, __old_setrlimit64, setrlimit64, GLIBC_2_2);
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# endif
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#else /* !_ABI_O32 && !_ABI_N32 */
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# include <sysdeps/unix/sysv/linux/setrlimit64.c>
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#endif
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