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shell/app: Restore NOFILE limit

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Restore the nofile limit when launching apps so that they do not
inherit from the Shell's own limit.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2117>
This commit is contained in:
Olivier Fourdan 2022-01-19 10:22:57 +01:00
parent 1bb05c33be
commit 9862ee9b25
1 changed files with 18 additions and 2 deletions
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20
src/shell-app.c
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@ -7,6 +7,7 @@
#include <glib/gi18n-lib.h>
#include <meta/display.h>
#include <meta/meta-context.h>
#include <meta/meta-workspace-manager.h>
#include <meta/meta-x11-display.h>
@ -1292,6 +1293,16 @@ shell_app_request_quit (ShellApp *app)
return TRUE;
}
static void
child_context_setup (gpointer user_data)
{
ShellGlobal *shell_global = user_data;
MetaContext *meta_context;
g_object_get (shell_global, "context", &meta_context, NULL);
meta_context_restore_rlimit_nofile (meta_context, NULL);
}
#if !defined(HAVE_GIO_DESKTOP_LAUNCH_URIS_WITH_FDS) && defined(HAVE_SYSTEMD)
/* This sets up the launched application to log to the journal
* using its own identifier, instead of just "gnome-session".
@ -1302,6 +1313,8 @@ app_child_setup (gpointer user_data)
const char *appid = user_data;
int res;
int journalfd = sd_journal_stream_fd (appid, LOG_INFO, FALSE);
ShellGlobal *shell_global = shell_global_get ();
if (journalfd >= 0)
{
do
@ -1312,6 +1325,8 @@ app_child_setup (gpointer user_data)
while (G_UNLIKELY (res == -1 && errno == EINTR));
(void) close (journalfd);
}
child_context_setup (shell_global);
}
#endif
@ -1396,6 +1411,7 @@ shell_app_launch (ShellApp *app,
gboolean ret;
GSpawnFlags flags;
gboolean discrete_gpu = FALSE;
ShellGlobal *shell_global = shell_global_get ();
if (app->info == NULL)
{
@ -1439,7 +1455,7 @@ shell_app_launch (ShellApp *app,
ret = g_desktop_app_info_launch_uris_as_manager_with_fds (app->info, NULL,
context,
flags,
NULL, NULL,
child_context_setup, shell_global,
wait_pid, NULL,
-1,
journalfd,
@ -1456,7 +1472,7 @@ shell_app_launch (ShellApp *app,
#ifdef HAVE_SYSTEMD
app_child_setup, (gpointer)shell_app_get_id (app),
#else
NULL, NULL,
child_context_setup, shell_global,
#endif
wait_pid, NULL,
error);