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-rw-r--r--include/wlr/util/log.h5
-rw-r--r--rootston/config.c15
-rw-r--r--util/log.c4
-rw-r--r--xwayland/xwayland.c22
4 files changed, 41 insertions, 5 deletions
diff --git a/include/wlr/util/log.h b/include/wlr/util/log.h
index 7b0070bb..2c441180 100644
--- a/include/wlr/util/log.h
+++ b/include/wlr/util/log.h
@@ -35,8 +35,13 @@ typedef void (*wlr_log_func_t)(enum wlr_log_importance importance,
// Will log all messages less than or equal to `verbosity`
// If `callback` is NULL, wlr will use its default logger.
+// The function can be called multiple times to update the verbosity or
+// callback function.
void wlr_log_init(enum wlr_log_importance verbosity, wlr_log_func_t callback);
+// Returns the log verbosity provided to wlr_log_init
+enum wlr_log_importance wlr_log_get_verbosity(void);
+
#ifdef __GNUC__
#define _WLR_ATTRIB_PRINTF(start, end) __attribute__((format(printf, start, end)))
#else
diff --git a/rootston/config.c b/rootston/config.c
index 0c0ad055..92d90de1 100644
--- a/rootston/config.c
+++ b/rootston/config.c
@@ -26,7 +26,10 @@ static void usage(const char *name, int ret) {
" See `rootston.ini.example` for config\n"
" file documentation.\n"
" -E <COMMAND> Command that will be ran at startup.\n"
- " -D Enable damage tracking debugging.\n",
+ " -D Enable damage tracking debugging.\n"
+ " -l <LEVEL> Set log verbosity, where,\n"
+ " 0:SILENT, 1:ERROR, 2:INFO, 3+:DEBUG\n"
+ " (default: DEBUG)\n",
name);
exit(ret);
@@ -455,7 +458,8 @@ struct roots_config *roots_config_create_from_args(int argc, char *argv[]) {
wl_list_init(&config->bindings);
int c;
- while ((c = getopt(argc, argv, "C:E:hD")) != -1) {
+ unsigned int log_verbosity = WLR_DEBUG;
+ while ((c = getopt(argc, argv, "C:E:hDl:")) != -1) {
switch (c) {
case 'C':
config->config_path = strdup(optarg);
@@ -466,11 +470,18 @@ struct roots_config *roots_config_create_from_args(int argc, char *argv[]) {
case 'D':
config->debug_damage_tracking = true;
break;
+ case 'l':
+ log_verbosity = strtoul(optarg, NULL, 10);
+ if (log_verbosity >= WLR_LOG_IMPORTANCE_LAST) {
+ log_verbosity = WLR_LOG_IMPORTANCE_LAST - 1;
+ }
+ break;
case 'h':
case '?':
usage(argv[0], c != 'h');
}
}
+ wlr_log_init(log_verbosity, NULL);
if (!config->config_path) {
// get the config path from the current directory
diff --git a/util/log.c b/util/log.c
index 754ccfa9..3ef5f484 100644
--- a/util/log.c
+++ b/util/log.c
@@ -85,3 +85,7 @@ const char *_wlr_strip_path(const char *filepath) {
}
return filepath;
}
+
+enum wlr_log_importance wlr_log_get_verbosity(void) {
+ return log_importance;
+}
diff --git a/xwayland/xwayland.c b/xwayland/xwayland.c
index 1068b942..4755608f 100644
--- a/xwayland/xwayland.c
+++ b/xwayland/xwayland.c
@@ -74,6 +74,7 @@ static int fill_arg(char ***argv, const char *fmt, ...) {
return len;
}
+_Noreturn
static void exec_xwayland(struct wlr_xwayland *wlr_xwayland) {
if (unset_cloexec(wlr_xwayland->x_fd[0]) ||
unset_cloexec(wlr_xwayland->x_fd[1]) ||
@@ -123,9 +124,26 @@ static void exec_xwayland(struct wlr_xwayland *wlr_xwayland) {
wlr_xwayland->wl_fd[1], wlr_xwayland->display, wlr_xwayland->x_fd[0],
wlr_xwayland->x_fd[1], wlr_xwayland->wm_fd[1]);
- // TODO: close stdout/err depending on log level
+ // Closes stdout/stderr depending on log verbosity
+ enum wlr_log_importance verbosity = wlr_log_get_verbosity();
+ int devnull = open("/dev/null", O_WRONLY | O_CREAT, 0666);
+ if (devnull < 0) {
+ wlr_log_errno(WLR_ERROR, "XWayland: failed to open /dev/null");
+ _exit(EXIT_FAILURE);
+ }
+ if (verbosity < WLR_INFO) {
+ dup2(devnull, STDOUT_FILENO);
+ }
+ if (verbosity < WLR_ERROR) {
+ dup2(devnull, STDERR_FILENO);
+ }
+ // This returns if and only if the call fails
execvp("Xwayland", argv);
+
+ wlr_log_errno(WLR_ERROR, "failed to exec Xwayland");
+ close(devnull);
+ _exit(EXIT_FAILURE);
}
static void xwayland_finish_server(struct wlr_xwayland *wlr_xwayland) {
@@ -346,8 +364,6 @@ static bool xwayland_start_server(struct wlr_xwayland *wlr_xwayland) {
sigprocmask(SIG_BLOCK, &sigset, NULL);
if ((pid = fork()) == 0) {
exec_xwayland(wlr_xwayland);
- wlr_log_errno(WLR_ERROR, "failed to exec Xwayland");
- _exit(EXIT_FAILURE);
}
if (pid < 0) {
wlr_log_errno(WLR_ERROR, "second fork failed");