int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *);
int pthread_getattr_np(pthread_t, pthread_attr_t *);
int pthread_setname_np(pthread_t, const char *);
+int pthread_getname_np(pthread_t, char *, size_t);
int pthread_getattr_default_np(pthread_attr_t *);
int pthread_setattr_default_np(const pthread_attr_t *);
int pthread_tryjoin_np(pthread_t, void **);
--- /dev/null
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/prctl.h>
+
+#include "pthread_impl.h"
+
+int pthread_getname_np(pthread_t thread, char *name, size_t len)
+{
+ int fd, cs, status = 0;
+ char f[sizeof "/proc/self/task//comm" + 3*sizeof(int)];
+
+ if (len < 16) return ERANGE;
+
+ if (thread == pthread_self())
+ return prctl(PR_GET_NAME, (unsigned long)name, 0UL, 0UL, 0UL) ? errno : 0;
+
+ snprintf(f, sizeof f, "/proc/self/task/%d/comm", thread->tid);
+ pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
+ if ((fd = open(f, O_RDONLY|O_CLOEXEC)) < 0 || (len = read(fd, name, len)) < 0) status = errno;
+ else name[len-1] = 0; /* remove trailing new line only if successful */
+ if (fd >= 0) close(fd);
+ pthread_setcancelstate(cs, 0);
+ return status;
+}