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Param: Increase robustness of default save command

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This commit is contained in:
Lorenz Meier
2016-01-22 14:21:09 +01:00
parent 1cfa9d924d
commit f460e95554
1 changed files with 9 additions and 3 deletions
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src/modules/systemlib/param/param.c
+9 -3
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@@ -497,7 +497,7 @@ param_get(param_t param, void *val)
}
static int
param_set_internal(param_t param, const void *val, bool mark_saved, bool notify_changes, bool autosave)
param_set_internal(param_t param, const void *val, bool mark_saved, bool notify_changes, bool is_saved)
{
int result = -1;
bool params_changed = false;
@@ -575,7 +575,7 @@ out:
* a thing has been set.
*/
if (params_changed && notify_changes) {
param_notify_changes(autosave);
param_notify_changes(is_saved);
}
return result;
@@ -744,7 +744,13 @@ param_save_default(void)
return ERROR;
}
res = param_export(fd, false);
res = 1;
int attempts = 5;
while (res != OK && attempts > 0) {
res = param_export(fd, false);
attempts--;
}
if (res != OK) {
warnx("failed to write parameters to file: %s", filename);