From beca73e0fda983e42280eb33cb74b8922979fccb Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Fri, 1 Mar 2024 21:23:09 +0200
Subject: [PATCH] strace: Add support for pretty-printing the kill syscall

---
 Userland/Utilities/strace.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Userland/Utilities/strace.cpp b/Userland/Utilities/strace.cpp
index eea59bf112..933df475ee 100644
--- a/Userland/Utilities/strace.cpp
+++ b/Userland/Utilities/strace.cpp
@@ -701,6 +701,16 @@ static void format_dbgputstr(FormattedSyscallBuilder& builder, char* characters,
     builder.add_argument(StringArgument { { characters, size }, "\0\n"sv });
 }
 
+static void format_kill(FormattedSyscallBuilder& builder, pid_t pid_or_pgid, int signal)
+{
+    builder.add_argument(pid_or_pgid);
+    auto* signal_name = getsignalname(signal);
+    if (signal_name)
+        builder.add_argument(signal_name);
+    else
+        builder.add_argument(signal);
+}
+
 static ErrorOr<void> format_syscall(FormattedSyscallBuilder& builder, Syscall::Function syscall_function, syscall_arg_t arg1, syscall_arg_t arg2, syscall_arg_t arg3, syscall_arg_t res)
 {
     enum ResultType {
@@ -788,6 +798,9 @@ static ErrorOr<void> format_syscall(FormattedSyscallBuilder& builder, Syscall::F
         format_write(builder, (int)arg1, (void*)arg2, (size_t)arg3);
         result_type = Ssize;
         break;
+    case SC_kill:
+        format_kill(builder, (pid_t)arg1, (int)arg2);
+        break;
     case SC_getuid:
     case SC_geteuid:
     case SC_getgid: