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authorSergey Poznyakoff <gray@gnu.org.ua>2016-02-12 14:25:26 +0200
committerSergey Poznyakoff <gray@gnu.org.ua>2016-02-12 14:25:26 +0200
commit05f16374d677f7c606d5100df3ca3499b9891aca (patch)
treeefa6177f87df2ba1e9f63edec6cc55cb621c9745 /src/comp.c
parentd9d267052215f223897af18310e4adee310308e7 (diff)
downloadpies-05f16374d677f7c606d5100df3ca3499b9891aca.tar.gz
pies-05f16374d677f7c606d5100df3ca3499b9891aca.tar.bz2
Improve progman API (progman_foreach and progman_stop_component).
* src/progman.c (progman_foreach): Allow filter to remove its prog argument from the list. Return integer (result of the call to filter, that returned non-zero). All uses changed. (progman_running_count): Remove. (progman_stop_component): Take a pointer to pointer. Pass it to destroy_prog when needed. All uses changed. * src/comp.c (prog_is_leftover): New function. (cb_terminate_prog): Use prog_is_leftover. Don't raise CF_DISABLED flag, as prog will have been destroyed by progman_stop_component. (cb_kill_prog): Use prog_is_leftover. * src/ctl.c (fun_stop): Check if prog still exists after the call to progman_stop_component. * src/pies.h (progman_running_count): Removed. * src/prog.h (progman_foreach): Return int. (progman_stop_component): Change signature.
Diffstat (limited to 'src/comp.c')
-rw-r--r--src/comp.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/src/comp.c b/src/comp.c
index 5613e28..6a0e4ba 100644
--- a/src/comp.c
+++ b/src/comp.c
@@ -350,22 +350,28 @@ component_config_rollback (void)
component_free (list->head);
cur = prev_index ();
}
+
+/* Return true if PROG is a leftover from previous configuration */
+static int
+prog_is_leftover (struct prog *prog)
+{
+ return IS_COMPONENT (prog) && !component_is_active (prog->v.p.comp);
+}
+/* If PROG is a leftover, gracefully stop it and mark as disabled */
static int
cb_terminate_prog (struct prog *prog, void *data)
{
- if (IS_COMPONENT (prog) && !component_is_active (prog->v.p.comp))
- {
- progman_stop_component (prog);
- prog->v.p.comp->flags |= CF_DISABLED;
- }
+ if (prog_is_leftover (prog))
+ progman_stop_component (&prog);
return 0;
}
+/* If PROG is a leftover, slay it with SIGKILL */
static int
cb_kill_prog (struct prog *prog, void *data)
{
- if (!(IS_COMPONENT (prog) && component_is_active (prog->v.p.comp)))
+ if (prog_is_leftover (prog))
prog_stop (prog, SIGKILL);
return 0;
}
@@ -509,7 +515,7 @@ component_config_commit (void)
progman_wait_until (list_is_empty, list);
}
}
-
+
/* Build dependency map */
component_build_depmap ();

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