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compositor: Move `child_process_list` from global to `wet_compositor`. 

Removes a global variable and makes it easier to avoid adding more
global variables in the next commit.

See https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/652#note_975222

Signed-off-by: Alvarito050506 <donfrutosgomez@gmail.com>
This commit is contained in:
Alvarito050506 2021-06-29 14:33:04 -03:00 committed by Álvaro Torralba
parent 7ae8a89a8b
commit 1f57a1f998
3 changed files with 19 additions and 16 deletions
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30
compositor/main.c
View File

@ -122,6 +122,7 @@ struct wet_compositor {
int (*simple_output_configure)(struct weston_output *output);
bool init_failed;
struct wl_list layoutput_list; /**< wet_layoutput::compositor_link */
struct wl_list child_process_list;
};
static FILE *weston_logfile = NULL;
@ -344,22 +345,27 @@ protocol_log_fn(void *user_data,
free(logstr);
}
static struct wl_list child_process_list;
static struct wet_compositor *
to_wet_compositor(struct weston_compositor *compositor)
{
return weston_compositor_get_user_data(compositor);
}
static int
sigchld_handler(int signal_number, void *data)
{
struct weston_process *p;
struct wet_compositor *wet = data;
int status;
pid_t pid;
while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
wl_list_for_each(p, &child_process_list, link) {
wl_list_for_each(p, &wet->child_process_list, link) {
if (p->pid == pid)
break;
}
if (&p->link == &child_process_list) {
if (&p->link == &wet->child_process_list) {
weston_log("unknown child process exited\n");
continue;
}
@ -454,15 +460,17 @@ weston_client_launch(struct weston_compositor *compositor,
proc->pid = pid;
proc->cleanup = cleanup;
weston_watch_process(proc);
wet_watch_process(compositor, proc);
return client;
}
WL_EXPORT void
weston_watch_process(struct weston_process *process)
wet_watch_process(struct weston_compositor *compositor,
struct weston_process *process)
{
wl_list_insert(&child_process_list, &process->link);
struct wet_compositor *wet = to_wet_compositor(compositor);
wl_list_insert(&wet->child_process_list, &process->link);
}
struct process_info {
@ -536,12 +544,6 @@ log_uname(void)
usys.version, usys.machine);
}
static struct wet_compositor *
to_wet_compositor(struct weston_compositor *compositor)
{
return weston_compositor_get_user_data(compositor);
}
static struct wet_output_config *
wet_init_parsed_options(struct weston_compositor *ec)
{
@ -3286,9 +3288,9 @@ wet_main(int argc, char *argv[], const struct weston_testsuite_data *test_data)
signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
display);
wl_list_init(&child_process_list);
wl_list_init(&wet.child_process_list);
signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
NULL);
&wet);
if (!signals[0] || !signals[1] || !signals[2] || !signals[3])
goto out_signals;

3
compositor/weston.h
View File

@ -56,7 +56,8 @@ struct wl_client *
weston_client_start(struct weston_compositor *compositor, const char *path);
void
weston_watch_process(struct weston_process *process);
wet_watch_process(struct weston_compositor *compositor,
struct weston_process *process);
struct weston_config *
wet_get_config(struct weston_compositor *compositor);

2
compositor/xwayland.c
View File

@ -154,7 +154,7 @@ spawn_xserver(void *user_data, const char *display, int abstract_fd, int unix_fd
wxw->wm_fd = wm[0];
wxw->process.pid = pid;
weston_watch_process(&wxw->process);
wet_watch_process(wxw->compositor, &wxw->process);
break;
case -1: