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service: use parse_errno() for parsing error numbers

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Let's always use the same logic when parsing error numbers, i.e. use
parse_errno() here too, to unify some code, and tighten the checks a
bit.

This also allows clients to pass errors as symbolic names. Probably
nothing we want to advertise too eagerly (since new daemons generating
this on old service managers won't understand), but still pretty
useful I think, in particular in scripting languages and such, where the
numeric error numbers might not be readily available.
This commit is contained in:
Lennart Poettering 2017-11-27 16:53:03 +01:00
parent 67ca6412ab
commit 2fa40742a4
1 changed files with 7 additions and 7 deletions
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14
src/core/service.c
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@ -3458,13 +3458,13 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags, FDSet *fds)
if (e) {
int status_errno;
if (safe_atoi(e, &status_errno) < 0 || status_errno < 0)
log_unit_warning(u, "Failed to parse ERRNO= field in notification message: %s", e);
else {
if (s->status_errno != status_errno) {
s->status_errno = status_errno;
notify_dbus = true;
}
status_errno = parse_errno(e);
if (status_errno < 0)
log_unit_warning_errno(u, status_errno,
"Failed to parse ERRNO= field in notification message: %s", e);
else if (s->status_errno != status_errno) {
s->status_errno = status_errno;
notify_dbus = true;
}
}