procfd             54 samples/pidfd/pidfd-metadata.c 	int procfd, ret;
procfd             58 samples/pidfd/pidfd-metadata.c 	procfd = open(path, O_DIRECTORY | O_RDONLY | O_CLOEXEC);
procfd             59 samples/pidfd/pidfd-metadata.c 	if (procfd < 0) {
procfd             76 samples/pidfd/pidfd-metadata.c 			close(procfd);
procfd             77 samples/pidfd/pidfd-metadata.c 			procfd = -1;
procfd             81 samples/pidfd/pidfd-metadata.c 	return procfd;
procfd             89 samples/pidfd/pidfd-metadata.c 	int procfd, statusfd;
procfd            100 samples/pidfd/pidfd-metadata.c 	procfd = pidfd_metadata_fd(pid, pidfd);
procfd            102 samples/pidfd/pidfd-metadata.c 	if (procfd < 0)
procfd            105 samples/pidfd/pidfd-metadata.c 	statusfd = openat(procfd, "status", O_RDONLY | O_CLOEXEC);
procfd            106 samples/pidfd/pidfd-metadata.c 	close(procfd);
procfd             85 tools/testing/selftests/filesystems/devpts_pts.c 	char procfd[4096];
procfd             87 tools/testing/selftests/filesystems/devpts_pts.c 	ret = snprintf(procfd, 4096, "/proc/self/fd/%d", fd);
procfd             91 tools/testing/selftests/filesystems/devpts_pts.c 	ret = readlink(procfd, buf, buflen);