git: 660498986a8e - main - fork.2: note that all methods to pre-resolve symbols have consequences
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Date: Sun, 12 Apr 2026 20:32:29 UTC
The branch main has been updated by kib:
URL: https://cgit.FreeBSD.org/src/commit/?id=660498986a8e56025d9d2f9c6a0813c09a27ba8e
commit 660498986a8e56025d9d2f9c6a0813c09a27ba8e
Author: Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2026-04-12 09:16:13 +0000
Commit: Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2026-04-12 20:29:42 +0000
fork.2: note that all methods to pre-resolve symbols have consequences
Reviewed by: imp
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D56362
---
lib/libsys/fork.2 | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/libsys/fork.2 b/lib/libsys/fork.2
index e59b208a9ff5..89a5631d7daa 100644
--- a/lib/libsys/fork.2
+++ b/lib/libsys/fork.2
@@ -138,6 +138,7 @@ services (
or
.Xr rtld 1 )
are available in the child if forked from multi-threaded parent.
+.Pp
In particular, if using dynamic linking, all dynamic symbols used by the
child after
.Fn _Fork
@@ -151,6 +152,7 @@ option to the static linker
or by using each symbol before the
.Fn _Fork
call to force the binding.
+Either of the methods subtly changes the ABI of the resulting binary.
.Sh RETURN VALUES
Upon successful completion,
.Fn fork