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Linux: Move timer_settime, __timer_settime64 from librt to libc

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The symbols were moved using scripts/move-symbol-to-libc.py.

The way the ABI intransition is implemented is changed with this
commit: the implementation is now consolidated in one file with a
TIMER_T_WAS_INT_COMPAT check.

The shared librt is now empty, so this commit adds a placeholder
symbol at the base version, GLIBC_2.2, and potentially at the
GLIBC_2.3.3 version as well (the leftover from the int/timer_t ABI
transition).

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2021-06-28 09:51:01 +02:00
parent a1d6ed027b
commit 477910b83e
84 changed files with 245 additions and 212 deletions
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20
sysdeps/unix/sysv/linux/Versions
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@ -127,6 +127,7 @@ libc {
timer_delete;
timer_getoverrun;
timer_gettime;
timer_settime;
}
GLIBC_2.3.4 {
sched_getaffinity; sched_setaffinity;
@ -269,6 +270,7 @@ libc {
__time64;
__timegm64;
__timer_gettime64;
__timer_settime64;
__timerfd_gettime64;
__timerfd_settime64;
__timespec_get64;
@ -300,18 +302,18 @@ libc {
}
}
ld {
GLIBC_PRIVATE {
__nptl_change_stack_perm;
librt {
GLIBC_2.3.3 {
# Leftover from the int -> timer_t transition. For ABIs that came later
# and do not have the symbol version, this version node is merged with
# the baseline version.
__librt_version_placeholder;
}
}
librt {
GLIBC_2.34 {
%ifdef TIME64_NON_DEFAULT
# 64-bit time_t support
__timer_settime64;
%endif
ld {
GLIBC_PRIVATE {
__nptl_change_stack_perm;
}
}