int
prociter(int (*proch)(pid_t pid, pid_t ppid, char *tmpname, void *data),
void *data)
{
char *name = NULL;
DIR *d = NULL;
struct dirent *de = NULL;
struct dirent scratch[2] = {
{
0,
},
};
pid_t pid = -1;
pid_t ppid = -1;
int ret = 0;
d = sys_opendir(PROC);
if (!d)
return -1;
for (;;) {
errno = 0;
de = sys_readdir(d, scratch);
if (!de || errno != 0)
break;
if (gf_string2int(de->d_name, &pid) != -1 && pid >= 0) {
ppid = pidinfo(pid, &name);
switch (ppid) {
case -1:
continue;
case -2:
break;
}
ret = proch(pid, ppid, name, data);
GF_FREE(name);
if (ret)
break;
}
}
sys_closedir(d);
if (!de && errno) {
fprintf(stderr, "failed to traverse " PROC " (%s)\n", strerror(errno));
ret = -1;
}
return ret;
}
int
prociter (int (*proch) (pid_t pid, pid_t ppid, char *tmpname, void *data),
void *data)
{
char *name = NULL;
DIR *d = NULL;
struct dirent *de = NULL;
pid_t pid = -1;
pid_t ppid = -1;
int ret = 0;
d = opendir (PROC);
if (!d) {
ret = -1;
goto out;
}
while (errno = 0, de = readdir (d)) {
if (gf_string2int (de->d_name, &pid) != -1 && pid >= 0) {
ppid = pidinfo (pid, &name);
switch (ppid) {
case -1: continue;
case -2: closedir (d); return -1;
}
ret = proch (pid, ppid, name, data);
if (ret) {
goto out;
}
GF_FREE (name);
name = NULL;
}
}
if (errno) {
fprintf (stderr, "failed to traverse "PROC" (%s)\n",
strerror (errno));
goto out;
}
ret = 0;
out:
if (d)
closedir (d);
if (name)
GF_FREE (name);
return ret;
}
