2 * Copyright (C) 2016-2019 "IoT.bzh"
3 * Author José Bollo <jose.bollo@iot.bzh>
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
27 #include <sys/types.h>
29 void afs_discover(const char *pattern, void (*callback)(void *closure, pid_t pid), void *closure)
35 char exe[PATH_MAX], lnk[PATH_MAX];
37 dir = opendir("/proc");
38 while ((ent = readdir(dir))) {
40 while (isdigit(*name))
44 n = snprintf(exe, sizeof exe, "/proc/%s/exe", ent->d_name);
45 if (n < 0 || (size_t)n >= sizeof exe)
47 n = readlink(exe, lnk, sizeof lnk);
48 if (n < 0 || (size_t)n >= sizeof lnk)
56 if (!strcmp(name, pattern)) {
57 callback(closure, (pid_t)atoi(ent->d_name));
60 while(*++name && *name != '/');