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nptl: Remove __libc_allocate_rtsig, __libc_current_sigrtmax, and __libc_current_sigrtmin 

The libc version is identical and built with same flags.

Checked on x86_64-linux-gnu.
This commit is contained in:
Adhemerval Zanella 2021-03-15 17:22:15 -03:00
parent 70a1e36cbe
commit 09ce31eddf
36 changed files with 10 additions and 183 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
nptl/Makefile
View File

@ -99,7 +99,6 @@ libpthread-routines = \
old_pthread_cond_signal \
old_pthread_cond_timedwait \
old_pthread_cond_wait \
pt-allocrtsig \
pt-cleanup \
pt-interp \
pt-longjmp \

6
nptl/Versions
View File

@ -78,9 +78,6 @@ libc {
__futex_abstimed_wait64;
__futex_abstimed_wait_cancelable64;
__libc_alloca_cutoff;
__libc_allocate_rtsig_private;
__libc_current_sigrtmax_private;
__libc_current_sigrtmin_private;
__libc_dl_error_tsd;
__libc_pthread_init;
__lll_clocklock_elision;
@ -170,9 +167,6 @@ libpthread {
}
GLIBC_2.1 {
__libc_allocate_rtsig;
__libc_current_sigrtmax;
__libc_current_sigrtmin;
pthread_attr_getguardsize;
pthread_attr_getstackaddr;
pthread_attr_getstacksize;

50
nptl/pt-allocrtsig.c
View File

@ -1,50 +0,0 @@
/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <signal.h>
/* These are defined in libc. We want to have only one definition
so we "forward" the calls. */
extern int __libc_current_sigrtmin_private (void);
extern int __libc_current_sigrtmax_private (void);
extern int __libc_allocate_rtsig_private (int high);
/* We reserve __SIGRTMIN for use as the cancellation signal and
__SIGRTMIN+1 to handle setuid et.al. These signals are used
internally. */
int
__libc_current_sigrtmin (void)
{
return __libc_current_sigrtmin_private ();
}
int
__libc_current_sigrtmax (void)
{
return __libc_current_sigrtmax_private ();
}
int
__libc_allocate_rtsig (int high)
{
return __libc_allocate_rtsig_private (high);
}

9
signal/allocrtsig.c
View File

@ -18,11 +18,7 @@
<https://www.gnu.org/licenses/>. */
#include <signal.h>
/* Another sysdeps file can #define this and then #include this file. */
#ifndef RESERVED_SIGRT
# define RESERVED_SIGRT 0
#endif
#include <internal-signals.h>
/* In these variables we keep track of the used variables. If the
platform does not support any real-time signals we will define the
@ -44,7 +40,6 @@ __libc_current_sigrtmin (void)
#endif
}
libc_hidden_def (__libc_current_sigrtmin)
strong_alias (__libc_current_sigrtmin, __libc_current_sigrtmin_private)
/* Return number of available real-time signal with lowest priority. */
int
@ -57,7 +52,6 @@ __libc_current_sigrtmax (void)
#endif
}
libc_hidden_def (__libc_current_sigrtmax)
strong_alias (__libc_current_sigrtmax, __libc_current_sigrtmax_private)
/* Allocate real-time signal with highest/lowest available
priority. Please note that we don't use a lock since we assume
@ -75,4 +69,3 @@ __libc_allocate_rtsig (int high)
return high ? current_rtmin++ : current_rtmax--;
#endif
}
strong_alias (__libc_allocate_rtsig, __libc_allocate_rtsig_private)

4
sysdeps/generic/internal-signals.h
View File

@ -24,6 +24,10 @@
#include <stdbool.h>
#include <stddef.h>
/* How many signal numbers need to be reserved for libpthread's private uses
(SIGCANCEL and SIGSETXID). */
#define RESERVED_SIGRT 0
static inline bool
__is_internal_signal (int sig)
{

31
sysdeps/nptl/allocrtsig.c
View File

@ -1,31 +0,0 @@
/* Handle real-time signal allocation. NPTL version.
Copyright (C) 2015-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <signal.h>
#include <nptl/pthreadP.h>
#if SIGTIMER != SIGCANCEL
# error "SIGTIMER and SIGCANCEL must be the same"
#endif
/* This tells the generic code (included below) how many signal
numbers need to be reserved for libpthread's private uses
(SIGCANCEL and SIGSETXID). */
#define RESERVED_SIGRT 2
#include <signal/allocrtsig.c>

3
sysdeps/unix/sysv/linux/aarch64/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.17 _IO_ftrylockfile F
GLIBC_2.17 _IO_funlockfile F
GLIBC_2.17 __errno_location F
GLIBC_2.17 __h_errno_location F
GLIBC_2.17 __libc_allocate_rtsig F
GLIBC_2.17 __libc_current_sigrtmax F
GLIBC_2.17 __libc_current_sigrtmin F
GLIBC_2.17 __pthread_cleanup_routine F
GLIBC_2.17 __pthread_getspecific F
GLIBC_2.17 __pthread_key_create F

3
sysdeps/unix/sysv/linux/alpha/libpthread.abilist
View File

@ -58,9 +58,6 @@ GLIBC_2.0 sem_post F
GLIBC_2.0 sem_trywait F
GLIBC_2.0 sem_wait F
GLIBC_2.0 siglongjmp F
GLIBC_2.1 __libc_allocate_rtsig F
GLIBC_2.1 __libc_current_sigrtmax F
GLIBC_2.1 __libc_current_sigrtmin F
GLIBC_2.1 pthread_attr_getguardsize F
GLIBC_2.1 pthread_attr_getstackaddr F
GLIBC_2.1 pthread_attr_getstacksize F

3
sysdeps/unix/sysv/linux/arc/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.32 _IO_ftrylockfile F
GLIBC_2.32 _IO_funlockfile F
GLIBC_2.32 __errno_location F
GLIBC_2.32 __h_errno_location F
GLIBC_2.32 __libc_allocate_rtsig F
GLIBC_2.32 __libc_current_sigrtmax F
GLIBC_2.32 __libc_current_sigrtmin F
GLIBC_2.32 __pthread_cleanup_routine F
GLIBC_2.32 __pthread_getspecific F
GLIBC_2.32 __pthread_key_create F

3
sysdeps/unix/sysv/linux/arm/be/libpthread.abilist
View File

@ -38,9 +38,6 @@ GLIBC_2.4 _IO_ftrylockfile F
GLIBC_2.4 _IO_funlockfile F
GLIBC_2.4 __errno_location F
GLIBC_2.4 __h_errno_location F
GLIBC_2.4 __libc_allocate_rtsig F
GLIBC_2.4 __libc_current_sigrtmax F
GLIBC_2.4 __libc_current_sigrtmin F
GLIBC_2.4 __pthread_cleanup_routine F
GLIBC_2.4 __pthread_getspecific F
GLIBC_2.4 __pthread_key_create F

3
sysdeps/unix/sysv/linux/arm/le/libpthread.abilist
View File

@ -38,9 +38,6 @@ GLIBC_2.4 _IO_ftrylockfile F
GLIBC_2.4 _IO_funlockfile F
GLIBC_2.4 __errno_location F
GLIBC_2.4 __h_errno_location F
GLIBC_2.4 __libc_allocate_rtsig F
GLIBC_2.4 __libc_current_sigrtmax F
GLIBC_2.4 __libc_current_sigrtmin F
GLIBC_2.4 __pthread_cleanup_routine F
GLIBC_2.4 __pthread_getspecific F
GLIBC_2.4 __pthread_key_create F

3
sysdeps/unix/sysv/linux/csky/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.29 _IO_ftrylockfile F
GLIBC_2.29 _IO_funlockfile F
GLIBC_2.29 __errno_location F
GLIBC_2.29 __h_errno_location F
GLIBC_2.29 __libc_allocate_rtsig F
GLIBC_2.29 __libc_current_sigrtmax F
GLIBC_2.29 __libc_current_sigrtmin F
GLIBC_2.29 __pthread_cleanup_routine F
GLIBC_2.29 __pthread_getspecific F
GLIBC_2.29 __pthread_key_create F

3
sysdeps/unix/sysv/linux/hppa/libpthread.abilist
View File

@ -11,9 +11,6 @@ GLIBC_2.2 _IO_ftrylockfile F
GLIBC_2.2 _IO_funlockfile F
GLIBC_2.2 __errno_location F
GLIBC_2.2 __h_errno_location F
GLIBC_2.2 __libc_allocate_rtsig F
GLIBC_2.2 __libc_current_sigrtmax F
GLIBC_2.2 __libc_current_sigrtmin F
GLIBC_2.2 __pthread_getspecific F
GLIBC_2.2 __pthread_key_create F
GLIBC_2.2 __pthread_mutex_destroy F

3
sysdeps/unix/sysv/linux/i386/libpthread.abilist
View File

@ -58,9 +58,6 @@ GLIBC_2.0 sem_post F
GLIBC_2.0 sem_trywait F
GLIBC_2.0 sem_wait F
GLIBC_2.0 siglongjmp F
GLIBC_2.1 __libc_allocate_rtsig F
GLIBC_2.1 __libc_current_sigrtmax F
GLIBC_2.1 __libc_current_sigrtmin F
GLIBC_2.1 pthread_attr_getguardsize F
GLIBC_2.1 pthread_attr_getstackaddr F
GLIBC_2.1 pthread_attr_getstacksize F

3
sysdeps/unix/sysv/linux/ia64/libpthread.abilist
View File

@ -11,9 +11,6 @@ GLIBC_2.2 _IO_ftrylockfile F
GLIBC_2.2 _IO_funlockfile F
GLIBC_2.2 __errno_location F
GLIBC_2.2 __h_errno_location F
GLIBC_2.2 __libc_allocate_rtsig F
GLIBC_2.2 __libc_current_sigrtmax F
GLIBC_2.2 __libc_current_sigrtmin F
GLIBC_2.2 __pthread_getspecific F
GLIBC_2.2 __pthread_key_create F
GLIBC_2.2 __pthread_mutex_destroy F

5
sysdeps/unix/sysv/linux/internal-signals.h
View File

@ -40,6 +40,11 @@
#define SIGSETXID (__SIGRTMIN + 1)
/* How many signal numbers need to be reserved for libpthread's private uses
(SIGCANCEL and SIGSETXID). */
#define RESERVED_SIGRT 2
/* Return is sig is used internally. */
static inline bool
__is_internal_signal (int sig)

3
sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist
View File

@ -38,9 +38,6 @@ GLIBC_2.4 _IO_ftrylockfile F
GLIBC_2.4 _IO_funlockfile F
GLIBC_2.4 __errno_location F
GLIBC_2.4 __h_errno_location F
GLIBC_2.4 __libc_allocate_rtsig F
GLIBC_2.4 __libc_current_sigrtmax F
GLIBC_2.4 __libc_current_sigrtmin F
GLIBC_2.4 __pthread_cleanup_routine F
GLIBC_2.4 __pthread_getspecific F
GLIBC_2.4 __pthread_key_create F

3
sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist
View File

@ -58,9 +58,6 @@ GLIBC_2.0 sem_post F
GLIBC_2.0 sem_trywait F
GLIBC_2.0 sem_wait F
GLIBC_2.0 siglongjmp F
GLIBC_2.1 __libc_allocate_rtsig F
GLIBC_2.1 __libc_current_sigrtmax F
GLIBC_2.1 __libc_current_sigrtmin F
GLIBC_2.1 pthread_attr_getguardsize F
GLIBC_2.1 pthread_attr_getstackaddr F
GLIBC_2.1 pthread_attr_getstacksize F

3
sysdeps/unix/sysv/linux/microblaze/be/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.18 _IO_ftrylockfile F
GLIBC_2.18 _IO_funlockfile F
GLIBC_2.18 __errno_location F
GLIBC_2.18 __h_errno_location F
GLIBC_2.18 __libc_allocate_rtsig F
GLIBC_2.18 __libc_current_sigrtmax F
GLIBC_2.18 __libc_current_sigrtmin F
GLIBC_2.18 __pthread_cleanup_routine F
GLIBC_2.18 __pthread_getspecific F
GLIBC_2.18 __pthread_key_create F

3
sysdeps/unix/sysv/linux/microblaze/le/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.18 _IO_ftrylockfile F
GLIBC_2.18 _IO_funlockfile F
GLIBC_2.18 __errno_location F
GLIBC_2.18 __h_errno_location F
GLIBC_2.18 __libc_allocate_rtsig F
GLIBC_2.18 __libc_current_sigrtmax F
GLIBC_2.18 __libc_current_sigrtmin F
GLIBC_2.18 __pthread_cleanup_routine F
GLIBC_2.18 __pthread_getspecific F
GLIBC_2.18 __pthread_key_create F

3
sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist
View File

@ -66,9 +66,6 @@ GLIBC_2.12 pthread_mutexattr_setrobust F
GLIBC_2.12 pthread_setname_np F
GLIBC_2.18 pthread_getattr_default_np F
GLIBC_2.18 pthread_setattr_default_np F
GLIBC_2.2 __libc_allocate_rtsig F
GLIBC_2.2 __libc_current_sigrtmax F
GLIBC_2.2 __libc_current_sigrtmin F
GLIBC_2.2 __pthread_rwlock_destroy F
GLIBC_2.2 __pthread_rwlock_init F
GLIBC_2.2 __pthread_rwlock_rdlock F

3
sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist
View File

@ -66,9 +66,6 @@ GLIBC_2.12 pthread_mutexattr_setrobust F
GLIBC_2.12 pthread_setname_np F
GLIBC_2.18 pthread_getattr_default_np F
GLIBC_2.18 pthread_setattr_default_np F
GLIBC_2.2 __libc_allocate_rtsig F
GLIBC_2.2 __libc_current_sigrtmax F
GLIBC_2.2 __libc_current_sigrtmin F
GLIBC_2.2 __pthread_rwlock_destroy F
GLIBC_2.2 __pthread_rwlock_init F
GLIBC_2.2 __pthread_rwlock_rdlock F

3
sysdeps/unix/sysv/linux/nios2/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.21 _IO_ftrylockfile F
GLIBC_2.21 _IO_funlockfile F
GLIBC_2.21 __errno_location F
GLIBC_2.21 __h_errno_location F
GLIBC_2.21 __libc_allocate_rtsig F
GLIBC_2.21 __libc_current_sigrtmax F
GLIBC_2.21 __libc_current_sigrtmin F
GLIBC_2.21 __pthread_cleanup_routine F
GLIBC_2.21 __pthread_getspecific F
GLIBC_2.21 __pthread_key_create F

3
sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
View File

@ -58,9 +58,6 @@ GLIBC_2.0 sem_post F
GLIBC_2.0 sem_trywait F
GLIBC_2.0 sem_wait F
GLIBC_2.0 siglongjmp F
GLIBC_2.1 __libc_allocate_rtsig F
GLIBC_2.1 __libc_current_sigrtmax F
GLIBC_2.1 __libc_current_sigrtmin F
GLIBC_2.1 pthread_attr_getguardsize F
GLIBC_2.1 pthread_attr_getstackaddr F
GLIBC_2.1 pthread_attr_getstacksize F

3
sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
View File

@ -32,9 +32,6 @@ GLIBC_2.3 _IO_ftrylockfile F
GLIBC_2.3 _IO_funlockfile F
GLIBC_2.3 __errno_location F
GLIBC_2.3 __h_errno_location F
GLIBC_2.3 __libc_allocate_rtsig F
GLIBC_2.3 __libc_current_sigrtmax F
GLIBC_2.3 __libc_current_sigrtmin F
GLIBC_2.3 __pthread_getspecific F
GLIBC_2.3 __pthread_key_create F
GLIBC_2.3 __pthread_mutex_destroy F

3
sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.17 _IO_ftrylockfile F
GLIBC_2.17 _IO_funlockfile F
GLIBC_2.17 __errno_location F
GLIBC_2.17 __h_errno_location F
GLIBC_2.17 __libc_allocate_rtsig F
GLIBC_2.17 __libc_current_sigrtmax F
GLIBC_2.17 __libc_current_sigrtmin F
GLIBC_2.17 __pthread_cleanup_routine F
GLIBC_2.17 __pthread_getspecific F
GLIBC_2.17 __pthread_key_create F

3
sysdeps/unix/sysv/linux/riscv/rv32/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.33 _IO_ftrylockfile F
GLIBC_2.33 _IO_funlockfile F
GLIBC_2.33 __errno_location F
GLIBC_2.33 __h_errno_location F
GLIBC_2.33 __libc_allocate_rtsig F
GLIBC_2.33 __libc_current_sigrtmax F
GLIBC_2.33 __libc_current_sigrtmin F
GLIBC_2.33 __pthread_cleanup_routine F
GLIBC_2.33 __pthread_getspecific F
GLIBC_2.33 __pthread_key_create F

3
sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.27 _IO_ftrylockfile F
GLIBC_2.27 _IO_funlockfile F
GLIBC_2.27 __errno_location F
GLIBC_2.27 __h_errno_location F
GLIBC_2.27 __libc_allocate_rtsig F
GLIBC_2.27 __libc_current_sigrtmax F
GLIBC_2.27 __libc_current_sigrtmin F
GLIBC_2.27 __pthread_cleanup_routine F
GLIBC_2.27 __pthread_getspecific F
GLIBC_2.27 __pthread_key_create F

3
sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist
View File

@ -58,9 +58,6 @@ GLIBC_2.0 sem_post F
GLIBC_2.0 sem_trywait F
GLIBC_2.0 sem_wait F
GLIBC_2.0 siglongjmp F
GLIBC_2.1 __libc_allocate_rtsig F
GLIBC_2.1 __libc_current_sigrtmax F
GLIBC_2.1 __libc_current_sigrtmin F
GLIBC_2.1 pthread_attr_getguardsize F
GLIBC_2.1 pthread_attr_getstackaddr F
GLIBC_2.1 pthread_attr_getstacksize F

3
sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist
View File

@ -13,9 +13,6 @@ GLIBC_2.2 _IO_ftrylockfile F
GLIBC_2.2 _IO_funlockfile F
GLIBC_2.2 __errno_location F
GLIBC_2.2 __h_errno_location F
GLIBC_2.2 __libc_allocate_rtsig F
GLIBC_2.2 __libc_current_sigrtmax F
GLIBC_2.2 __libc_current_sigrtmin F
GLIBC_2.2 __pthread_getspecific F
GLIBC_2.2 __pthread_key_create F
GLIBC_2.2 __pthread_mutex_destroy F

3
sysdeps/unix/sysv/linux/sh/be/libpthread.abilist
View File

@ -11,9 +11,6 @@ GLIBC_2.2 _IO_ftrylockfile F
GLIBC_2.2 _IO_funlockfile F
GLIBC_2.2 __errno_location F
GLIBC_2.2 __h_errno_location F
GLIBC_2.2 __libc_allocate_rtsig F
GLIBC_2.2 __libc_current_sigrtmax F
GLIBC_2.2 __libc_current_sigrtmin F
GLIBC_2.2 __pthread_getspecific F
GLIBC_2.2 __pthread_key_create F
GLIBC_2.2 __pthread_mutex_destroy F

3
sysdeps/unix/sysv/linux/sh/le/libpthread.abilist
View File

@ -11,9 +11,6 @@ GLIBC_2.2 _IO_ftrylockfile F
GLIBC_2.2 _IO_funlockfile F
GLIBC_2.2 __errno_location F
GLIBC_2.2 __h_errno_location F
GLIBC_2.2 __libc_allocate_rtsig F
GLIBC_2.2 __libc_current_sigrtmax F
GLIBC_2.2 __libc_current_sigrtmin F
GLIBC_2.2 __pthread_getspecific F
GLIBC_2.2 __pthread_key_create F
GLIBC_2.2 __pthread_mutex_destroy F

3
sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
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@ -58,9 +58,6 @@ GLIBC_2.0 sem_post F
GLIBC_2.0 sem_trywait F
GLIBC_2.0 sem_wait F
GLIBC_2.0 siglongjmp F
GLIBC_2.1 __libc_allocate_rtsig F
GLIBC_2.1 __libc_current_sigrtmax F
GLIBC_2.1 __libc_current_sigrtmin F
GLIBC_2.1 pthread_attr_getguardsize F
GLIBC_2.1 pthread_attr_getstackaddr F
GLIBC_2.1 pthread_attr_getstacksize F

3
sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
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@ -11,9 +11,6 @@ GLIBC_2.2 _IO_ftrylockfile F
GLIBC_2.2 _IO_funlockfile F
GLIBC_2.2 __errno_location F
GLIBC_2.2 __h_errno_location F
GLIBC_2.2 __libc_allocate_rtsig F
GLIBC_2.2 __libc_current_sigrtmax F
GLIBC_2.2 __libc_current_sigrtmin F
GLIBC_2.2 __pthread_getspecific F
GLIBC_2.2 __pthread_key_create F
GLIBC_2.2 __pthread_mutex_destroy F

3
sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist
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@ -11,9 +11,6 @@ GLIBC_2.2.5 _IO_ftrylockfile F
GLIBC_2.2.5 _IO_funlockfile F
GLIBC_2.2.5 __errno_location F
GLIBC_2.2.5 __h_errno_location F
GLIBC_2.2.5 __libc_allocate_rtsig F
GLIBC_2.2.5 __libc_current_sigrtmax F
GLIBC_2.2.5 __libc_current_sigrtmin F
GLIBC_2.2.5 __pthread_getspecific F
GLIBC_2.2.5 __pthread_key_create F
GLIBC_2.2.5 __pthread_mutex_destroy F

3
sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist
View File

@ -3,9 +3,6 @@ GLIBC_2.16 _IO_ftrylockfile F
GLIBC_2.16 _IO_funlockfile F
GLIBC_2.16 __errno_location F
GLIBC_2.16 __h_errno_location F
GLIBC_2.16 __libc_allocate_rtsig F
GLIBC_2.16 __libc_current_sigrtmax F
GLIBC_2.16 __libc_current_sigrtmin F
GLIBC_2.16 __pthread_cleanup_routine F
GLIBC_2.16 __pthread_getspecific F
GLIBC_2.16 __pthread_key_create F