From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 28 Feb 2025 08:50:29 +0000 (+0100)
Subject: pidref: export hash funcs
X-Git-Tag: v258-rc1~1218^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ad187fb68cd1fed199a8a6da502d55d627df1c7;p=thirdparty%2Fsystemd.git

pidref: export hash funcs

That way we can use them for definition of additional hash_ops that map
pidrefs to arbitrary other resources.
---

diff --git a/src/basic/pidref.c b/src/basic/pidref.c
index 9b4922b1607..ef52cd7a421 100644
--- a/src/basic/pidref.c
+++ b/src/basic/pidref.c
@@ -457,11 +457,11 @@ bool pidref_is_automatic(const PidRef *pidref) {
         return pidref && pid_is_automatic(pidref->pid);
 }
 
-static void pidref_hash_func(const PidRef *pidref, struct siphash *state) {
+void pidref_hash_func(const PidRef *pidref, struct siphash *state) {
         siphash24_compress_typesafe(pidref->pid, state);
 }
 
-static int pidref_compare_func(const PidRef *a, const PidRef *b) {
+int pidref_compare_func(const PidRef *a, const PidRef *b) {
         return CMP(a->pid, b->pid);
 }
 
diff --git a/src/basic/pidref.h b/src/basic/pidref.h
index 0198db8f8eb..b71c3bd9d0c 100644
--- a/src/basic/pidref.h
+++ b/src/basic/pidref.h
@@ -108,5 +108,9 @@ int pidref_verify(const PidRef *pidref);
 
 #define TAKE_PIDREF(p) TAKE_GENERIC((p), PidRef, PIDREF_NULL)
 
+struct siphash;
+void pidref_hash_func(const PidRef *pidref, struct siphash *state);
+int pidref_compare_func(const PidRef *a, const PidRef *b);
+
 extern const struct hash_ops pidref_hash_ops;
 extern const struct hash_ops pidref_hash_ops_free; /* Has destructor call for pidref_free(), i.e. expects heap allocated PidRef as keys */