7 #include "pthread_impl.h"
9 int pthread_setname_np(pthread_t thread, const char *name)
11 int fd, cs, status = 0;
12 char f[sizeof "/proc/self/task//comm" + 3*sizeof(int)];
15 if ((len = strnlen(name, 16)) > 15) return ERANGE;
17 if (thread == pthread_self())
18 return prctl(PR_SET_NAME, (unsigned long)name, 0UL, 0UL, 0UL) ? errno : 0;
20 snprintf(f, sizeof f, "/proc/self/task/%d/comm", thread->tid);
21 pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
22 if ((fd = open(f, O_WRONLY)) < 0 || write(fd, name, len) < 0) status = errno;
23 if (fd >= 0) close(fd);
24 pthread_setcancelstate(cs, 0);