[llvm-branch-commits] [compiler-rt] release/20.x: [sanitizer_common] Remove interceptors for deprecated struct termio (#137403) (PR #137707)

[via llvm-branch-commits]

https://github.com/llvmbot created https://github.com/llvm/llvm-project/pull/137707

Backport 59978b21ad9c65276ee8e14f26759691b8a65763

Requested by: @tstellar

>From 29b693e7af536fcd200e0b68db01ab29a46b11a3 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar at redhat.com>
Date: Mon, 28 Apr 2025 13:45:11 -0700
Subject: [PATCH] [sanitizer_common] Remove interceptors for deprecated struct
 termio (#137403)

This struct will be removed from glibc-2.42 and has been deprecated for
a very long time.

Fixes #137321

(cherry picked from commit 59978b21ad9c65276ee8e14f26759691b8a65763)
---
 .../sanitizer_common_interceptors_ioctl.inc               | 8 --------
 .../sanitizer_common/sanitizer_platform_limits_posix.cpp  | 3 ---
 .../sanitizer_common/sanitizer_platform_limits_posix.h    | 1 -
 3 files changed, 12 deletions(-)

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
index 49ec4097c900b..dda11daa77f49 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
@@ -338,17 +338,9 @@ static void ioctl_table_fill() {
   _(SOUND_PCM_WRITE_CHANNELS, WRITE, sizeof(int));
   _(SOUND_PCM_WRITE_FILTER, WRITE, sizeof(int));
   _(TCFLSH, NONE, 0);
-#if SANITIZER_GLIBC
-  _(TCGETA, WRITE, struct_termio_sz);
-#endif
   _(TCGETS, WRITE, struct_termios_sz);
   _(TCSBRK, NONE, 0);
   _(TCSBRKP, NONE, 0);
-#if SANITIZER_GLIBC
-  _(TCSETA, READ, struct_termio_sz);
-  _(TCSETAF, READ, struct_termio_sz);
-  _(TCSETAW, READ, struct_termio_sz);
-#endif
   _(TCSETS, READ, struct_termios_sz);
   _(TCSETSF, READ, struct_termios_sz);
   _(TCSETSW, READ, struct_termios_sz);
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
index a5311d266b0c4..10b6535499def 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
@@ -485,9 +485,6 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
   unsigned struct_input_id_sz = sizeof(struct input_id);
   unsigned struct_mtpos_sz = sizeof(struct mtpos);
   unsigned struct_rtentry_sz = sizeof(struct rtentry);
-#if SANITIZER_GLIBC || SANITIZER_ANDROID
-  unsigned struct_termio_sz = sizeof(struct termio);
-#endif
   unsigned struct_vt_consize_sz = sizeof(struct vt_consize);
   unsigned struct_vt_sizes_sz = sizeof(struct vt_sizes);
   unsigned struct_vt_stat_sz = sizeof(struct vt_stat);
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
index 1a7d9e64048eb..005ff27624629 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -1043,7 +1043,6 @@ extern unsigned struct_hd_geometry_sz;
 extern unsigned struct_input_absinfo_sz;
 extern unsigned struct_input_id_sz;
 extern unsigned struct_mtpos_sz;
-extern unsigned struct_termio_sz;
 extern unsigned struct_vt_consize_sz;
 extern unsigned struct_vt_sizes_sz;
 extern unsigned struct_vt_stat_sz;