diff options
| -rw-r--r-- | proc/readproc.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/proc/readproc.c b/proc/readproc.c index 4420364..cc55cdf 100644 --- a/proc/readproc.c +++ b/proc/readproc.c @@ -1361,17 +1361,22 @@ next_task: // This finds processes in /proc in the traditional way. // Return non-zero on success. static int simple_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p) { - static __thread struct dirent *ent; /* dirent handle */ - char *restrict const path = PT->path; - for (;;) { - ent = readdir(PT->procfs); - if(!ent || !ent->d_name[0]) return 0; - if(*ent->d_name > '0' && *ent->d_name <= '9') break; - } - p->tgid = strtoul(ent->d_name, NULL, 10); - p->tid = p->tgid; - snprintf(path, PROCPATHLEN, "/proc/%s", ent->d_name); - return 1; + static __thread struct dirent *ent; /* dirent handle */ + char *restrict const path = PT->path; + for (;;) { + ent = readdir(PT->procfs); + if (!ent || !ent->d_name[0]) return 0; + if (*ent->d_name > '0' && *ent->d_name <= '9') { + errno = 0; + p->tgid = strtoul(ent->d_name, NULL, 10); + if (errno == 0) { + p->tid = p->tgid; + snprintf(path, PROCPATHLEN, "/proc/%d", p->tgid); + return 1; + } + } + } + return 0; } |