From: Lasse Collin <lasse.collin@tukaani.org>
Date: Thu, 30 Jan 2025 18:39:03 +0000 (+0200)
Subject: xz: Don't call mythread_sigmask when building for WASM
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cd2ccf1f49e650df3aa153fce4710b9e56d4ee8c;p=thirdparty%2Fxz.git

xz: Don't call mythread_sigmask when building for WASM

mythread.h omits mythread_sigmask on WASM.

Fixes: https://github.com/tukaani-project/xz/issues/161
See: 81db3b889830132334d1f2129bdc93177ac2ca7d
---

diff --git a/src/xz/signals.c b/src/xz/signals.c
index 20f03bee..ec992eea 100644
--- a/src/xz/signals.c
+++ b/src/xz/signals.c
@@ -136,7 +136,7 @@ signals_init(void)
 #endif
 
 
-#ifndef __VMS
+#if !defined(__VMS) && !defined(__wasm__)
 extern void
 signals_block(void)
 {
diff --git a/src/xz/signals.h b/src/xz/signals.h
index 629335d4..8d8fb7aa 100644
--- a/src/xz/signals.h
+++ b/src/xz/signals.h
@@ -20,7 +20,8 @@ extern volatile sig_atomic_t user_abort;
 extern void signals_init(void);
 
 
-#if (defined(_WIN32) && !defined(__CYGWIN__)) || defined(__VMS)
+#if (defined(_WIN32) && !defined(__CYGWIN__)) || defined(__VMS) \
+		|| defined(__wasm__)
 #	define signals_block() do { } while (0)
 #	define signals_unblock() do { } while (0)
 #else