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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
parent d05edf6760
commit 9433f353b3
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1 changed files with 10 additions and 0 deletions
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dwl.c
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@ -10,6 +10,7 @@
#include <signal.h> #include <signal.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <sys/resource.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <time.h> #include <time.h>
#include <unistd.h> #include <unistd.h>
@ -328,6 +329,8 @@ static void zoom(const Arg *arg);
/* variables */ /* variables */
static const char broken[] = "broken"; static const char broken[] = "broken";
static struct rlimit oldrlimit;
static struct rlimit newrlimit;
static const char *cursor_image = "left_ptr"; static const char *cursor_image = "left_ptr";
static pid_t child_pid = -1; static pid_t child_pid = -1;
static void *exclusive_focus; static void *exclusive_focus;
@ -463,6 +466,7 @@ autostartexec(void) {
autostart_pids = calloc(autostart_len, sizeof(pid_t)); autostart_pids = calloc(autostart_len, sizeof(pid_t));
for (p = autostart; *p; i++, p++) { for (p = autostart; *p; i++, p++) {
if ((autostart_pids[i] = fork()) == 0) { if ((autostart_pids[i] = fork()) == 0) {
setrlimit(RLIMIT_CORE, &oldrlimit);
setsid(); setsid();
execvp(*p, (char *const *)p); execvp(*p, (char *const *)p);
fprintf(stderr, "dwl: execvp %s\n", *p); fprintf(stderr, "dwl: execvp %s\n", *p);
@ -2207,6 +2211,7 @@ run(char *startup_cmd)
if ((child_pid = fork()) < 0) if ((child_pid = fork()) < 0)
die("startup: fork:"); die("startup: fork:");
if (child_pid == 0) { if (child_pid == 0) {
setrlimit(RLIMIT_CORE, &oldrlimit);
dup2(piperw[0], STDIN_FILENO); dup2(piperw[0], STDIN_FILENO);
close(piperw[0]); close(piperw[0]);
close(piperw[1]); close(piperw[1]);
@ -2613,6 +2618,7 @@ void
spawn(const Arg *arg) spawn(const Arg *arg)
{ {
if (fork() == 0) { if (fork() == 0) {
setrlimit(RLIMIT_CORE, &oldrlimit);
dup2(STDERR_FILENO, STDOUT_FILENO); dup2(STDERR_FILENO, STDOUT_FILENO);
setsid(); setsid();
execvp(((char **)arg->v)[0], (char **)arg->v); execvp(((char **)arg->v)[0], (char **)arg->v);
@ -3066,6 +3072,10 @@ main(int argc, char *argv[])
char *startup_cmd = NULL; char *startup_cmd = NULL;
int c; 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:hv")) != -1) { while ((c = getopt(argc, argv, "s:hv")) != -1) {
if (c == 's') if (c == 's')
startup_cmd = optarg; startup_cmd = optarg;