From 7903bfcf8bdfcda821c0db8144fd247966630224 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <jerome.duval@gmail.com>
Date: Tue, 15 Jun 2021 16:13:37 +0200
Subject: [PATCH] strace: add signal name tracing

inspired by hrev23436, fix #10944

Change-Id: Ieedace86a6541a4cd1346791146a96e99d09d614
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4093
Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
---
 src/bin/debug/strace/strace.cpp | 42 +++++++++++++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

diff --git a/src/bin/debug/strace/strace.cpp b/src/bin/debug/strace/strace.cpp
index 1ae5751a99..7c80721791 100644
--- a/src/bin/debug/strace/strace.cpp
+++ b/src/bin/debug/strace/strace.cpp
@@ -110,6 +110,44 @@ static const char *kTerminalTextMagenta	= "\33[35m";
 static const char *kTerminalTextBlue	= "\33[34m";
 
 
+// signal names
+static const char *kSignalName[] = {
+	/*  0 */ "SIG0",
+	/*  1 */ "SIGHUP",
+	/*  2 */ "SIGINT",
+	/*  3 */ "SIGQUIT",
+	/*  4 */ "SIGILL",
+	/*  5 */ "SIGCHLD",
+	/*  6 */ "SIGABRT",
+	/*  7 */ "SIGPIPE",
+	/*  8 */ "SIGFPE",
+	/*  9 */ "SIGKILL",
+	/* 10 */ "SIGSTOP",
+	/* 11 */ "SIGSEGV",
+	/* 12 */ "SIGCONT",
+	/* 13 */ "SIGTSTP",
+	/* 14 */ "SIGALRM",
+	/* 15 */ "SIGTERM",
+	/* 16 */ "SIGTTIN",
+	/* 17 */ "SIGTTOU",
+	/* 18 */ "SIGUSR1",
+	/* 19 */ "SIGUSR2",
+	/* 20 */ "SIGWINCH",
+	/* 21 */ "SIGKILLTHR",
+	/* 22 */ "SIGTRAP",
+	/* 23 */ "SIGPOLL",
+	/* 24 */ "SIGPROF",
+	/* 25 */ "SIGSYS",
+	/* 26 */ "SIGURG",
+	/* 27 */ "SIGVTALRM",
+	/* 28 */ "SIGXCPU",
+	/* 29 */ "SIGXFSZ",
+	/* 30 */ "SIGBUS",
+	/* 31 */ "SIGRESERVED1",
+	/* 32 */ "SIGRESERVED2",
+};
+
+
 // command line args
 static int sArgc;
 static const char *const *sArgv;
@@ -382,8 +420,8 @@ print_syscall(FILE *outputFile, Syscall* syscall, debug_post_syscall &message,
 static const char *
 signal_name(int signal)
 {
-	if (signal >= 0 && signal < NSIG)
-		return strsignal(signal);
+	if (signal >= 0 && signal <= SIGRESERVED2)
+		return kSignalName[signal];
 
 	static char buffer[32];
 	sprintf(buffer, "%d", signal);