mirror of
https://codeberg.org/dwl/dwl-patches.git
synced 2025-10-29 11:04:16 +00:00
92 lines
2.5 KiB
Diff
92 lines
2.5 KiB
Diff
From d25a8222651671613322677d17b2f987135e02cd Mon Sep 17 00:00:00 2001
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From: sewn <sewn@disroot.org>
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Date: Sat, 24 Aug 2024 19:26:26 +0300
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Subject: [PATCH] set max open file descriptors to available max
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---
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dwl.c | 22 ++++++++++++++++++++++
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1 file changed, 22 insertions(+)
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diff --git a/dwl.c b/dwl.c
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index a2711f6..163ebdd 100644
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--- a/dwl.c
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+++ b/dwl.c
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@@ -8,6 +8,7 @@
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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+#include <sys/resource.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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@@ -316,6 +317,7 @@ static void pointerfocus(Client *c, struct wlr_surface *surface,
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static void printstatus(void);
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static void powermgrsetmode(struct wl_listener *listener, void *data);
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static void quit(const Arg *arg);
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+static void restorerlimit(void);
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static void rendermon(struct wl_listener *listener, void *data);
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static void requestdecorationmode(struct wl_listener *listener, void *data);
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static void requeststartdrag(struct wl_listener *listener, void *data);
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@@ -358,6 +360,7 @@ static void zoom(const Arg *arg);
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/* variables */
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static const char broken[] = "broken";
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+static struct rlimit og_rlimit;
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static pid_t child_pid = -1;
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static int locked;
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static void *exclusive_focus;
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@@ -2096,6 +2099,15 @@ quit(const Arg *arg)
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wl_display_terminate(dpy);
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}
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+void
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+restorerlimit(void)
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+{
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+ if (og_rlimit.rlim_cur == 0)
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+ return;
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+ if (setrlimit(RLIMIT_NOFILE, &og_rlimit) < 0)
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+ die("setrlimit:");
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+}
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+
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void
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rendermon(struct wl_listener *listener, void *data)
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{
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@@ -2232,6 +2244,7 @@ run(char *startup_cmd)
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if ((child_pid = fork()) < 0)
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die("startup: fork:");
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if (child_pid == 0) {
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+ restorerlimit();
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setsid();
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dup2(piperw[0], STDIN_FILENO);
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close(piperw[0]);
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@@ -2429,10 +2442,18 @@ setsel(struct wl_listener *listener, void *data)
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void
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setup(void)
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{
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+ struct rlimit new_rlimit;
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int i, sig[] = {SIGCHLD, SIGINT, SIGTERM, SIGPIPE};
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struct sigaction sa = {.sa_flags = SA_RESTART, .sa_handler = handlesig};
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sigemptyset(&sa.sa_mask);
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+ if (getrlimit(RLIMIT_NOFILE, &og_rlimit) < 0)
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+ die("getrlimit:");
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+ new_rlimit = og_rlimit;
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+ new_rlimit.rlim_cur = new_rlimit.rlim_max;
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+ if (setrlimit(RLIMIT_NOFILE, &new_rlimit) < 0)
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+ die("setrlimit:");
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+
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for (i = 0; i < (int)LENGTH(sig); i++)
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sigaction(sig[i], &sa, NULL);
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@@ -2649,6 +2670,7 @@ void
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spawn(const Arg *arg)
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{
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if (fork() == 0) {
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+ restorerlimit();
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dup2(STDERR_FILENO, STDOUT_FILENO);
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setsid();
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execvp(((char **)arg->v)[0], (char **)arg->v);
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--
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2.46.0
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