bool eof;
FILE *f;
- if (pid == 0 || pid == 1) /* pid 1, and we ourselves certainly aren't a kernel thread */
+ if (pid == 0 || pid == 1 || pid == getpid_cached()) /* pid 1, and we ourselves certainly aren't a kernel thread */
return 0;
assert(pid > 1);
assert(field);
assert(uid);
+ if (pid < 0)
+ return -EINVAL;
+
p = procfs_file_alloca(pid, "status");
f = fopen(p, "re");
if (!f) {
}
int get_process_uid(pid_t pid, uid_t *uid) {
+
+ if (pid == 0 || pid == getpid_cached()) {
+ *uid = getuid();
+ return 0;
+ }
+
return get_process_id(pid, "Uid:", uid);
}
int get_process_gid(pid_t pid, gid_t *gid) {
+
+ if (pid == 0 || pid == getpid_cached()) {
+ *gid = getgid();
+ return 0;
+ }
+
assert_cc(sizeof(uid_t) == sizeof(gid_t));
return get_process_id(pid, "Gid:", gid);
}
assert(pid >= 0);
assert(_ppid);
- if (pid == 0) {
+ if (pid == 0 || pid == getpid_cached()) {
*_ppid = getppid();
return 0;
}
if (pid <= 1) /* If we or PID 1 would be dead and have been waited for, this code would not be running */
return true;
+ if (pid == getpid_cached())
+ return true;
+
if (kill(pid, 0) >= 0)
return true;
if (pid <= 1) /* If we or PID 1 would be a zombie, this code would not be running */
return true;
+ if (pid == getpid_cached())
+ return true;
+
r = get_process_state(pid);
if (r == -ESRCH || r == 'Z')
return false;
const char *root;
if (pid < 0)
- return 0;
+ return false;
+
+ if (pid == 0 || pid == getpid_cached())
+ return true;
root = procfs_file_alloca(pid, "root");