diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/systemctl.c | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/src/systemctl.c b/src/systemctl.c index 73b0fc48cc..6977f85b3f 100644 --- a/src/systemctl.c +++ b/src/systemctl.c @@ -935,9 +935,9 @@ finish: } static void show_cgroup(const char *name) { - char *fn, *pids; - int r; - char *p; + char *fn; + FILE *f; + pid_t last = 0; if (!startswith(name, "name=systemd:")) return; @@ -945,30 +945,41 @@ static void show_cgroup(const char *name) { if (asprintf(&fn, "/cgroup/systemd/%s/tasks", name + 13) < 0) return; - r = read_one_line_file(fn, &pids); + f = fopen(fn, "r"); free(fn); - if (r < 0) + if (!f) return; - p = pids; - while (p[0]) { - unsigned long ul; - char *t = NULL; + printf("\t\t │\n"); - p += strspn(p, WHITESPACE); + while (!feof(f)) { + unsigned long ul; - errno = 0; - ul = strtoul(p, &p, 0); - if (errno != 0 || ul <= 0) + if (fscanf(f, "%lu", &ul) != 1) break; - get_process_cmdline((pid_t) ul, 60, &t); - printf("\t\t%lu %s\n", ul, strna(t)); + if (ul <= 0) + continue; + + if (last > 0) { + char *t = NULL; + get_process_cmdline(last, 60, &t); + printf("\t\t ├ %lu %s\n", (unsigned long) last, strna(t)); + free(t); + } + + last = (pid_t) ul; + } + + if (last > 0) { + char *t = NULL; + get_process_cmdline(last, 60, &t); + printf("\t\t └ %lu %s\n", (unsigned long) last, strna(t)); free(t); } - free(pids); + fclose(f); } typedef struct UnitStatusInfo { |