| /linux-6.12.1/tools/thermal/lib/ |
| D | mainloop.c | 24 int i, nfds; in mainloop() local
33 nfds = epoll_wait(epfd, events, MAX_EVENTS, timeout); in mainloop()
35 if (exit_mainloop || !nfds) in mainloop()
38 if (nfds < 0) { in mainloop()
44 for (i = 0; i < nfds; i++) { in mainloop()
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| /linux-6.12.1/tools/perf/bench/ |
| D | epoll-ctl.c | 60 static unsigned int nfds = 64; variable
77 OPT_UINTEGER('f', "nfds", &nfds, "Specify amount of file descriptors to monitor for each thread"),
165 fd = w->fdmap[rnd1 % nfds]; in do_random_epoll_op()
191 for (i = 0; i < nfds; i++) { in workerfn()
214 for (i = 0; i < nfds; i+=inc) { in init_fdmaps()
244 w->fdmap = calloc(nfds, sizeof(int)); in do_threads()
248 for (j = 0; j < nfds; j++) { in do_threads()
358 rl.rlim_cur = rl.rlim_max = nfds * nthreads * 2 + 50; in bench_epoll_ctl()
366 getpid(), nthreads, nfds, nsecs); in bench_epoll_ctl()
410 if (nfds == 1) in bench_epoll_ctl()
[all …]
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| D | epoll-wait.c | 111 static unsigned int nfds = 64; variable
130 …OPT_UINTEGER('f', "nfds", &nfds, "Specify amount of file descriptors to monitor for each threa…
330 w->fdmap = calloc(nfds, sizeof(int)); in do_threads()
334 for (j = 0; j < nfds; j++) { in do_threads()
401 shuffle((void *)w->fdmap, nfds, sizeof(int)); in writerfn()
404 for (j = 0; j < nfds; j++) { in writerfn()
478 rl.rlim_cur = rl.rlim_max = nfds * nthreads * 2 + 50; in bench_epoll_wait()
486 getpid(), nthreads, oneshot ? " (EPOLLONESHOT semantics)": "", nfds, nsecs); in bench_epoll_wait()
540 if (nfds == 1) in bench_epoll_wait()
546 &worker[i].fdmap[nfds-1], t); in bench_epoll_wait()
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| /linux-6.12.1/tools/include/nolibc/ |
| D | sys.h | 844 int sys_poll(struct pollfd *fds, int nfds, int timeout) in sys_poll() argument
853 return my_syscall5(__NR_ppoll, fds, nfds, (timeout >= 0) ? &t : NULL, NULL, 0); in sys_poll()
855 return my_syscall3(__NR_poll, fds, nfds, timeout); in sys_poll()
857 return __nolibc_enosys(__func__, fds, nfds, timeout); in sys_poll()
862 int poll(struct pollfd *fds, int nfds, int timeout) in poll() argument
864 return __sysret(sys_poll(fds, nfds, timeout)); in poll()
963 int sys_select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *timeout) in sys_select() argument
970 } arg = { .n = nfds, .r = rfds, .w = wfds, .e = efds, .t = timeout }; in sys_select()
973 return my_syscall5(__NR__newselect, nfds, rfds, wfds, efds, timeout); in sys_select()
975 return my_syscall5(__NR_select, nfds, rfds, wfds, efds, timeout); in sys_select()
[all …]
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| /linux-6.12.1/fs/ |
| D | select.c | 973 static int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, in do_sys_poll() argument
984 unsigned int todo = nfds; in do_sys_poll()
987 if (nfds > rlimit(RLIMIT_NOFILE)) in do_sys_poll()
990 len = min_t(unsigned int, nfds, N_STACK_PPS); in do_sys_poll()
997 if (copy_from_user(walk->entries, ufds + nfds-todo, in do_sys_poll()
1018 if (!user_write_access_begin(ufds, nfds * sizeof(*ufds))) in do_sys_poll()
1050 int nfds = restart_block->poll.nfds; in do_restart_poll() local
1060 ret = do_sys_poll(ufds, nfds, to); in do_restart_poll()
1068 SYSCALL_DEFINE3(poll, struct pollfd __user *, ufds, unsigned int, nfds, in SYSCALL_DEFINE3() argument
1080 ret = do_sys_poll(ufds, nfds, to); in SYSCALL_DEFINE3()
[all …]
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| /linux-6.12.1/Documentation/userspace-api/media/mediactl/ |
| D | request-func-poll.rst | 22 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
30 ``nfds``
72 The ``nfds`` value exceeds the ``RLIMIT_NOFILE`` value. Use
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| /linux-6.12.1/Documentation/userspace-api/media/cec/ |
| D | cec-func-poll.rst | 22 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
30 ``nfds``
73 The ``nfds`` value exceeds the ``RLIMIT_NOFILE`` value. Use
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| /linux-6.12.1/tools/testing/selftests/bpf/prog_tests/ |
| D | test_struct_ops_module.c | 255 int fd, epollfd = -1, nfds; in test_detach_link() local
285 nfds = epoll_wait(epollfd, events, 2, 500); in test_detach_link()
286 if (!ASSERT_EQ(nfds, 1, "epoll_wait")) in test_detach_link()
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| /linux-6.12.1/tools/testing/vsock/ |
| D | util.c | 66 int epollfd, nfds; in vsock_wait_remote_close() local
81 nfds = epoll_wait(epollfd, &ev, 1, TIMEOUT * 1000); in vsock_wait_remote_close()
82 if (nfds == -1) { in vsock_wait_remote_close()
87 if (nfds == 0) { in vsock_wait_remote_close()
92 assert(nfds == 1); in vsock_wait_remote_close()
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| /linux-6.12.1/Documentation/userspace-api/media/v4l/ |
| D | func-select.rst | 24 .. c:function:: int select( int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct …
29 ``nfds``
110 The ``nfds`` argument is less than zero or greater than
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| D | func-poll.rst | 22 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
112 The ``nfds`` value exceeds the ``RLIMIT_NOFILE`` value. Use
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| /linux-6.12.1/tools/lib/perf/ |
| D | evlist.c | 329 int nfds = 0; in perf_evlist__alloc_pollfd() local
334 nfds += nr_cpus; in perf_evlist__alloc_pollfd()
336 nfds += nr_cpus * nr_threads; in perf_evlist__alloc_pollfd()
339 if (fdarray__available_entries(&evlist->pollfd) < nfds && in perf_evlist__alloc_pollfd()
340 fdarray__grow(&evlist->pollfd, nfds) < 0) in perf_evlist__alloc_pollfd()
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| /linux-6.12.1/tools/testing/selftests/x86/ |
| D | test_syscall_vdso.c | 171 int nfds; variable
184 nfds = 42; in prep_args()
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| /linux-6.12.1/include/linux/ |
| D | restart_block.h | 51 int nfds; member
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| D | compat.h | 652 unsigned int nfds,
657 unsigned int nfds,
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| D | syscalls.h | 1075 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
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| /linux-6.12.1/tools/testing/selftests/bpf/ |
| D | network_helpers.c | 889 int fd = ctx->pcap_fd, nfds, r; in traffic_monitor_thread() local
898 nfds = (fd > wake_fd ? fd : wake_fd) + 1; in traffic_monitor_thread()
904 r = select(nfds, &fds, NULL, NULL, NULL); in traffic_monitor_thread()
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| /linux-6.12.1/tools/testing/selftests/net/ |
| D | nettest.c | 1254 int nfds; in msg_loop() local
1275 nfds = interactive ? MAX(fileno(stdin), sd) + 1 : sd + 1; in msg_loop()
1282 rc = select(nfds, &rfds, NULL, NULL, ptval); in msg_loop()
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