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increase RLIMIT_CORE (generate a coredump)

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Leonardo Hernández Hernández 2022-10-05 23:07:13 -05:00 committed by Leonardo Hernández Hernández
parent bfa2cbb848
commit 46dcc997e2
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GPG key ID: E538897EE11B9624
1 changed files with 10 additions and 0 deletions
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10
dwl.c
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@ -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>
@ -363,6 +364,8 @@ 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;
@ -469,6 +472,7 @@ autostartexec(void) {
autostart_pids = calloc(autostart_len, sizeof(pid_t));
for (p = autostart; *p; i++, p++) {
if ((autostart_pids[i] = fork()) == 0) {
setrlimit(RLIMIT_CORE, &oldrlimit);
setsid();
execvp(*p, (char *const *)p);
die("dwl: execvp %s failed:", *p);
@ -2332,6 +2336,7 @@ run(char *startup_cmd)
if ((child_pid = fork()) < 0)
die("startup: fork:");
if (child_pid == 0) {
setrlimit(RLIMIT_CORE, &oldrlimit);
dup2(piperw[0], STDIN_FILENO);
close(piperw[0]);
close(piperw[1]);
@ -2756,6 +2761,7 @@ 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);
@ -3273,6 +3279,10 @@ 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;