From a2e47b527986af6140a9dfa43c9448347dc0a050 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Thu, 16 Apr 2020 07:28:36 +0000
Subject: [PATCH] Show signal name when process exits rather than number.

---
 server-fn.c |  4 ++--
 tmux.c      | 12 ++++++++++++
 tmux.h      |  1 +
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/server-fn.c b/server-fn.c
index aa4a482b..da1371ae 100644
--- a/server-fn.c
+++ b/server-fn.c
@@ -334,8 +334,8 @@ server_destroy_pane(struct window_pane *wp, int notify)
 			    tim);
 		} else if (WIFSIGNALED(wp->status)) {
 			screen_write_nputs(&ctx, -1, &gc,
-			    "Pane is dead (signal %d, %s)",
-			    WTERMSIG(wp->status),
+			    "Pane is dead (signal %s, %s)",
+			    sig2name(WTERMSIG(wp->status)),
 			    tim);
 		}
 
diff --git a/tmux.c b/tmux.c
index eac8c12f..c9678d9e 100644
--- a/tmux.c
+++ b/tmux.c
@@ -28,6 +28,7 @@
 #include <locale.h>
 #include <paths.h>
 #include <pwd.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
@@ -167,6 +168,17 @@ setblocking(int fd, int state)
 	}
 }
 
+const char *
+sig2name(int signo)
+{
+     static char	s[11];
+
+     if (signo > 0 && signo < NSIG)
+	     return (sys_signame[signo]);
+     xsnprintf(s, sizeof s, "%d", signo);
+     return (s);
+}
+
 const char *
 find_cwd(void)
 {
diff --git a/tmux.h b/tmux.h
index 73b6b941..98d78a63 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1725,6 +1725,7 @@ extern int		 ptm_fd;
 extern const char	*shell_command;
 int		 checkshell(const char *);
 void		 setblocking(int, int);
+const char	*sig2name(int);
 const char	*find_cwd(void);
 const char	*find_home(void);
 const char	*getversion(void);