From ea3954427e3e3453eba49e302bf4e3a0272b172e Mon Sep 17 00:00:00 2001
From: okan
Date: Wed, 16 Sep 2015 17:58:25 +0000
Subject: On execwm, we should properly release resources before exec'ing into
 a new window manager; so allow CWM_EXEC_WM to assign new wm to wm_argv and
 pass through cwm_status (now EXECWM) so that x_teardown() gets called before
 exec'ing the new window manager.  Removes the need for a separate x_restart()
 now, using new wm_argv; and consolidates errno for execvp.

---
 calmwm.c | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

(limited to 'calmwm.c')

diff --git a/calmwm.c b/calmwm.c
index f0d009b..c0e93fe 100644
--- a/calmwm.c
+++ b/calmwm.c
@@ -15,7 +15,7 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
- * $OpenBSD: calmwm.c,v 1.93 2015/01/19 14:54:16 okan Exp $
+ * $OpenBSD: calmwm.c,v 1.94 2015/09/16 17:58:25 okan Exp $
  */
 
 #include <sys/types.h>
@@ -46,12 +46,12 @@ struct screen_ctx_q		 Screenq = TAILQ_HEAD_INITIALIZER(Screenq);
 int				 HasRandr, Randr_ev;
 struct conf			 Conf;
 const char			*homedir;
+char				*wm_argv;
 volatile sig_atomic_t		 cwm_status;
 
 static void	sighdlr(int);
 static int	x_errorhandler(Display *, XErrorEvent *);
 static void	x_init(const char *);
-static void	x_restart(char **);
 static void	x_teardown(void);
 static int	x_wmerrorhandler(Display *, XErrorEvent *);
 
@@ -60,7 +60,6 @@ main(int argc, char **argv)
 {
 	const char	*conf_file = NULL;
 	char		*conf_path, *display_name = NULL;
-	char		**cwm_argv;
 	int		 ch;
 	struct passwd	*pw;
 
@@ -68,7 +67,7 @@ main(int argc, char **argv)
 		warnx("no locale support");
 	mbtowc(NULL, NULL, MB_CUR_MAX);
 
-	cwm_argv = argv;
+	wm_argv = u_argv(argv);
 	while ((ch = getopt(argc, argv, "c:d:")) != -1) {
 		switch (ch) {
 		case 'c':
@@ -117,8 +116,8 @@ main(int argc, char **argv)
 	while (cwm_status == CWM_RUNNING)
 		xev_process();
 	x_teardown();
-	if (cwm_status == CWM_RESTART)
-		x_restart(cwm_argv);
+	if (cwm_status == CWM_EXECWM)
+		u_exec(wm_argv);
 
 	return(0);
 }
@@ -145,13 +144,6 @@ x_init(const char *dpyname)
 		screen_init(i);
 }
 
-static void
-x_restart(char **args)
-{
-	(void)setsid();
-	(void)execvp(args[0], args);
-}
-
 static void
 x_teardown(void)
 {
-- 
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