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* [glibc] hurd: Do not make sigprocmask available in ld.so
@ 2019-12-18 9:55 Florian Weimer
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From: Florian Weimer @ 2019-12-18 9:55 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3dcad8158f43d71d5b8f6f317f82952ddf3468f3
commit 3dcad8158f43d71d5b8f6f317f82952ddf3468f3
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Dec 18 10:27:10 2019 +0100
hurd: Do not make sigprocmask available in ld.so
After commit f7649d5780aa4682393b9daedd653e4d9c12784c ("dlopen: Do not
block signals"), the dynamic linker no longer uses sigprocmask, which
means that it does not have to be made available explicitly on hurd.
This reverts commit 892badc9bbcd4a6f8c2eb6c8a99be3aa22517532
("hurd: Make __sigprocmask GLIBC_PRIVATE") and commit
d5ed9ba29a3c818b3433a1784862494968abda45 ("hurd: Fix ld.so link"),
but keeps the comment changes from the second commit.
Diff:
---
sysdeps/mach/hurd/Versions | 4 ++--
sysdeps/mach/hurd/dl-sysdep.c | 8 --------
sysdeps/mach/hurd/i386/localplt.data | 1 -
3 files changed, 2 insertions(+), 11 deletions(-)
diff --git a/sysdeps/mach/hurd/Versions b/sysdeps/mach/hurd/Versions
index 6ddd297..35257a0 100644
--- a/sysdeps/mach/hurd/Versions
+++ b/sysdeps/mach/hurd/Versions
@@ -10,7 +10,7 @@ libc {
GLIBC_PRIVATE {
# Functions shared with the dynamic linker
__access; __access_noerrno; __libc_read; __libc_write; __libc_lseek64;
- __libc_lock_self0; __sigprocmask; __getcwd;
+ __libc_lock_self0; __getcwd;
_dl_init_first;
__close_nocancel_nostatus;
@@ -42,6 +42,6 @@ ld {
# functions that must be shared with libc
__access; __access_noerrno; __libc_read; __libc_write; __libc_lseek64;
- __libc_lock_self0; __sigprocmask; __getcwd;
+ __libc_lock_self0; __getcwd;
}
}
diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c
index fcbbe6a..33fe8c3 100644
--- a/sysdeps/mach/hurd/dl-sysdep.c
+++ b/sysdeps/mach/hurd/dl-sysdep.c
@@ -675,14 +675,6 @@ strong_alias (abort, __GI___chk_fail)
strong_alias (abort, __GI___fortify_fail)
strong_alias (abort, __GI___assert_fail)
strong_alias (abort, __GI___assert_perror_fail)
-
-check_no_hidden(__sigprocmask);
-int weak_function
-__sigprocmask (int how, const sigset_t *set, sigset_t *oset)
-{
- /* We do not have signals yet at this stage. */
- return 0;
-}
\f
/* This function is called by interruptible RPC stubs. For initial
dynamic linking, just use the normal mach_msg. Since this defn is
diff --git a/sysdeps/mach/hurd/i386/localplt.data b/sysdeps/mach/hurd/i386/localplt.data
index b89e04b..c1725d1 100644
--- a/sysdeps/mach/hurd/i386/localplt.data
+++ b/sysdeps/mach/hurd/i386/localplt.data
@@ -40,7 +40,6 @@ ld.so: __sbrk
ld.so: __strtoul_internal
#ld.so: _exit
ld.so: abort
-ld.so: __sigprocmask
ld.so: _hurd_intr_rpc_mach_msg
ld.so: __errno_location
# rtld_hidden is currently disabled to avoid having to special-case the
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