From 610dd5b5f8e4ed72855312b45fc25ae558a31a4b Mon Sep 17 00:00:00 2001
From: Matthias Kruk <m@m10k.eu>
Date: Tue, 14 Jan 2020 19:56:13 +0900
Subject: [PATCH] Add assembly stub for sigaction syscall to klibc

---
 kernel/klibc/posixcall.S | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/kernel/klibc/posixcall.S b/kernel/klibc/posixcall.S
index 9d7479f..3796215 100644
--- a/kernel/klibc/posixcall.S
+++ b/kernel/klibc/posixcall.S
@@ -14,6 +14,7 @@
 	.global sbrk
 	.global mmap
 	.global munmap
+	.global sigaction
 
 #if FEATURE(DEBUG_SYSDEBUG)
 	.global debug
@@ -106,6 +107,18 @@ munmap:
 	popl	%ebx
 	ret
 
+sigaction:
+	pushl	%ebx
+
+	movl	$SYS_SIGACTION, %eax
+	movl	8(%esp), %ebx
+	movl	12(%esp), %ecx
+	movl	16(%esp), %edx
+	int		$SYSCALL_POSIX
+
+	popl	%ebx
+	ret
+
 #if FEATURE(DEBUG_SYSDEBUG)
 debug:
 	pushl	%ebx
-- 
2.47.3