diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/actions.c | 35 | ||||
| -rw-r--r-- | src/main.c | 21 | ||||
| -rw-r--r-- | src/ratpoison.h | 4 |
3 files changed, 42 insertions, 18 deletions
diff --git a/src/actions.c b/src/actions.c index 67d1289..8f016fe 100644 --- a/src/actions.c +++ b/src/actions.c @@ -26,6 +26,7 @@ #include <strings.h> #include <time.h> #include <errno.h> +#include <signal.h> #include "ratpoison.h" @@ -2405,7 +2406,6 @@ cmd_exec (int interactive, struct cmdarg **args) int spawn(char *cmd) { - char *tmp; rp_child_info *child; int pid; @@ -2423,9 +2423,7 @@ spawn(char *cmd) #elif defined (HAVE_SETPGRP) setpgrp (0, 0); #endif - /* Prepend with exec to avoid excess /bin/sh's. */ - tmp = xsprintf ("exec %s", cmd); - execl("/bin/sh", "sh", "-c", tmp, 0); + execl("/bin/sh", "sh", "-c", cmd, 0); _exit(EXIT_FAILURE); } @@ -3290,7 +3288,7 @@ static cmdret * set_wingravity (struct cmdarg **args) { if (args[0] == NULL) - return cmdret_new (RET_SUCCESS, wingravity_to_string (defaults.win_gravity)); + return cmdret_new (RET_SUCCESS, "%s", wingravity_to_string (defaults.win_gravity)); defaults.win_gravity = ARG(0,gravity); @@ -3301,7 +3299,7 @@ static cmdret * set_transgravity (struct cmdarg **args) { if (args[0] == NULL) - return cmdret_new (RET_SUCCESS, wingravity_to_string (defaults.trans_gravity)); + return cmdret_new (RET_SUCCESS, "%s", wingravity_to_string (defaults.trans_gravity)); defaults.trans_gravity = ARG(0,gravity); @@ -3312,7 +3310,7 @@ static cmdret * set_maxsizegravity (struct cmdarg **args) { if (args[0] == NULL) - return cmdret_new (RET_SUCCESS, wingravity_to_string (defaults.maxsize_gravity)); + return cmdret_new (RET_SUCCESS, "%s", wingravity_to_string (defaults.maxsize_gravity)); defaults.maxsize_gravity = ARG(0,gravity); @@ -3340,7 +3338,7 @@ static cmdret * set_bargravity (struct cmdarg **args) { if (args[0] == NULL) - return cmdret_new (RET_SUCCESS, wingravity_to_string (defaults.bar_location)); + return cmdret_new (RET_SUCCESS, "%s", wingravity_to_string (defaults.bar_location)); defaults.bar_location = ARG(0,gravity); @@ -3382,7 +3380,7 @@ set_font (struct cmdarg **args) XFontStruct *font; if (args[0] == NULL) - return cmdret_new (RET_SUCCESS, defaults.font_string); + return cmdret_new (RET_SUCCESS, "%s", defaults.font_string); font = XLoadQueryFont (dpy, ARG_STRING(0)); if (font == NULL) @@ -3535,7 +3533,7 @@ static cmdret * set_winfmt (struct cmdarg **args) { if (args[0] == NULL) - return cmdret_new (RET_SUCCESS, defaults.window_fmt); + return cmdret_new (RET_SUCCESS, "%s", defaults.window_fmt); free (defaults.window_fmt); defaults.window_fmt = xstrdup (ARG_STRING(0)); @@ -3585,7 +3583,7 @@ set_fgcolor (struct cmdarg **args) XColor color, junk; if (args[0] == NULL) - return cmdret_new (RET_SUCCESS, defaults.fgcolor_string); + return cmdret_new (RET_SUCCESS, "%s", defaults.fgcolor_string); for (i=0; i<num_screens; i++) { @@ -3613,7 +3611,7 @@ set_bgcolor (struct cmdarg **args) XColor color, junk; if (args[0] == NULL) - return cmdret_new (RET_SUCCESS, defaults.bgcolor_string); + return cmdret_new (RET_SUCCESS, "%s", defaults.bgcolor_string); for (i=0; i<num_screens; i++) { @@ -4154,6 +4152,9 @@ cmd_tmpwm (int interactive, struct cmdarg **args) XUnmapWindow (dpy, screens[i].key_window); } + /* Ungrab all our keys. */ + ungrab_keys_all_wins(); + /* Don't listen for any events from any window. */ list_for_each_safe_entry (win, iter, tmp, &rp_mapped_window, node) { @@ -4167,12 +4168,20 @@ cmd_tmpwm (int interactive, struct cmdarg **args) XSync (dpy, False); + /* Disable our SIGCHLD handler */ + set_sig_handler (SIGCHLD, SIG_IGN); /* Launch the new WM and wait for it to terminate. */ pid = spawn (ARG_STRING(0)); + PRINT_DEBUG (("spawn pid: %d\n", pid)); do { child = waitpid (pid, &status, 0); } while (child != pid); + /* Enable our SIGCHLD handler */ + set_sig_handler (SIGCHLD, chld_handler); + /* Some processes may have quit while our sigchld handler was + disabled, so check for them. */ + check_child_procs(); /* This xsync seems to be needed. Otherwise, the following code dies because X thinks another WM is running. */ @@ -4701,7 +4710,7 @@ static cmdret * set_framesels (struct cmdarg **args) { if (args[0] == NULL) - return cmdret_new (RET_SUCCESS, defaults.frame_selectors); + return cmdret_new (RET_SUCCESS, "%s", defaults.frame_selectors); free (defaults.frame_selectors); defaults.frame_selectors = xstrdup (ARG_STRING(0)); @@ -181,14 +181,13 @@ alrm_handler (int signum) alarm_signalled++; } +/* Check for child processes that have quit but haven't been + acknowledged yet. Update their structure. */ void -chld_handler (int signum) +check_child_procs () { rp_child_info *cur; - int pid, status, serrno; - - serrno = errno; - + int pid, status; while (1) { pid = waitpid (WAIT_ANY, &status, WNOHANG); @@ -210,6 +209,15 @@ chld_handler (int signum) chld_signalled = 1; } +} + +void +chld_handler (int signum) +{ + int serrno; + + serrno = errno; + check_child_procs(); errno = serrno; } @@ -681,6 +689,9 @@ free_screen (rp_screen *s) rp_frame *frame; struct list_head *iter, *tmp; + /* Relinquish our hold on the root window. */ + XSelectInput(dpy, RootWindow (dpy, s->screen_num), 0); + list_for_each_safe_entry (frame, iter, tmp, &s->frames, node) { frame_free (s, frame); diff --git a/src/ratpoison.h b/src/ratpoison.h index 1c84bb4..448e021 100644 --- a/src/ratpoison.h +++ b/src/ratpoison.h @@ -101,5 +101,9 @@ char *xstrdup (char *s); char *xsprintf (char *fmt, ...); char *xvsprintf (char *fmt, va_list ap); int str_comp (char *s1, char *s2, int len); +/* Needed in cmd_tmpwm */ +void check_child_procs (); +void chld_handler (int signum); +void set_sig_handler (int sig, void (*action)(int)); #endif /* ! _RATPOISON_H */ |