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From 2abde87f9159ec3318a0489ac0ed512f166ef8c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Hern=C3=A1ndez=20Hern=C3=A1ndez?=
<leohdz172@proton.me>
Date: Wed, 5 Oct 2022 23:07:13 -0500
Subject: [PATCH] increase RLIMIT_CORE (generate a coredump)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Leonardo Hernández Hernández <leohdz172@proton.me>
---
dwl.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/dwl.c b/dwl.c
index a2711f67..cfbb0bb8 100644
--- a/dwl.c
+++ b/dwl.c
@@ -8,6 +8,7 @@
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
+#include <sys/resource.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
@@ -358,6 +359,8 @@ static void zoom(const Arg *arg);
/* variables */
static const char broken[] = "broken";
+static struct rlimit oldrlimit;
+static struct rlimit newrlimit;
static pid_t child_pid = -1;
static int locked;
static void *exclusive_focus;
@@ -2232,6 +2235,7 @@ run(char *startup_cmd)
if ((child_pid = fork()) < 0)
die("startup: fork:");
if (child_pid == 0) {
+ setrlimit(RLIMIT_CORE, &oldrlimit);
setsid();
dup2(piperw[0], STDIN_FILENO);
close(piperw[0]);
@@ -2649,6 +2653,7 @@ void
spawn(const Arg *arg)
{
if (fork() == 0) {
+ setrlimit(RLIMIT_CORE, &oldrlimit);
dup2(STDERR_FILENO, STDOUT_FILENO);
setsid();
execvp(((char **)arg->v)[0], (char **)arg->v);
@@ -3189,6 +3194,10 @@ main(int argc, char *argv[])
char *startup_cmd = NULL;
int c;
+ getrlimit(RLIMIT_CORE, &oldrlimit);
+ newrlimit.rlim_cur = newrlimit.rlim_max = oldrlimit.rlim_max;
+ setrlimit(RLIMIT_CORE, &newrlimit);
+
while ((c = getopt(argc, argv, "s:hdv")) != -1) {
if (c == 's')
startup_cmd = optarg;
--
2.46.0
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