| /Linux-v5.15/tools/perf/bench/ |
| D | epoll-ctl.c | 59 static unsigned int nfds = 64; variable
76 OPT_UINTEGER('f', "nfds", &nfds, "Specify amount of file descriptors to monitor for each thread"),
164 fd = w->fdmap[rnd1 % nfds]; in do_random_epoll_op()
190 for (i = 0; i < nfds; i++) { in workerfn()
213 for (i = 0; i < nfds; i+=inc) { in init_fdmaps()
236 w->fdmap = calloc(nfds, sizeof(int)); in do_threads()
240 for (j = 0; j < nfds; j++) { in do_threads()
344 rl.rlim_cur = rl.rlim_max = nfds * nthreads * 2 + 50; in bench_epoll_ctl()
352 getpid(), nthreads, nfds, nsecs); in bench_epoll_ctl()
396 if (nfds == 1) in bench_epoll_ctl()
[all …]
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| D | epoll-wait.c | 110 static unsigned int nfds = 64; variable
129 …OPT_UINTEGER('f', "nfds", &nfds, "Specify amount of file descriptors to monitor for each threa…
322 w->fdmap = calloc(nfds, sizeof(int)); in do_threads()
326 for (j = 0; j < nfds; j++) { in do_threads()
387 shuffle((void *)w->fdmap, nfds, sizeof(int)); in writerfn()
390 for (j = 0; j < nfds; j++) { in writerfn()
464 rl.rlim_cur = rl.rlim_max = nfds * nthreads * 2 + 50; in bench_epoll_wait()
472 getpid(), nthreads, oneshot ? " (EPOLLONESHOT semantics)": "", nfds, nsecs); in bench_epoll_wait()
526 if (nfds == 1) in bench_epoll_wait()
532 &worker[i].fdmap[nfds-1], t); in bench_epoll_wait()
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| /Linux-v5.15/fs/ |
| D | select.c | 970 static int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, in do_sys_poll() argument
981 unsigned long todo = nfds; in do_sys_poll()
983 if (nfds > rlimit(RLIMIT_NOFILE)) in do_sys_poll()
986 len = min_t(unsigned int, nfds, N_STACK_PPS); in do_sys_poll()
993 if (copy_from_user(walk->entries, ufds + nfds-todo, in do_sys_poll()
1014 if (!user_write_access_begin(ufds, nfds * sizeof(*ufds))) in do_sys_poll()
1046 int nfds = restart_block->poll.nfds; in do_restart_poll() local
1056 ret = do_sys_poll(ufds, nfds, to); in do_restart_poll()
1064 SYSCALL_DEFINE3(poll, struct pollfd __user *, ufds, unsigned int, nfds, in SYSCALL_DEFINE3() argument
1076 ret = do_sys_poll(ufds, nfds, to); in SYSCALL_DEFINE3()
[all …]
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| /Linux-v5.15/tools/testing/vsock/ |
| D | util.c | 53 int epollfd, nfds; in vsock_wait_remote_close() local
68 nfds = epoll_wait(epollfd, &ev, 1, TIMEOUT * 1000); in vsock_wait_remote_close()
69 if (nfds == -1) { in vsock_wait_remote_close()
74 if (nfds == 0) { in vsock_wait_remote_close()
79 assert(nfds == 1); in vsock_wait_remote_close()
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| /Linux-v5.15/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-v5.15/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-v5.15/tools/lib/perf/ |
| D | evlist.c | 299 int nfds = 0; in perf_evlist__alloc_pollfd() local
304 nfds += nr_cpus; in perf_evlist__alloc_pollfd()
306 nfds += nr_cpus * nr_threads; in perf_evlist__alloc_pollfd()
309 if (fdarray__available_entries(&evlist->pollfd) < nfds && in perf_evlist__alloc_pollfd()
310 fdarray__grow(&evlist->pollfd, nfds) < 0) in perf_evlist__alloc_pollfd()
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| /Linux-v5.15/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-v5.15/tools/testing/selftests/x86/ |
| D | test_syscall_vdso.c | 171 int nfds; variable
184 nfds = 42; in prep_args()
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| /Linux-v5.15/tools/include/nolibc/ |
| D | nolibc.h | 1644 int sys_poll(struct pollfd *fds, int nfds, int timeout) in sys_poll() argument
1653 return my_syscall4(__NR_ppoll, fds, nfds, (timeout >= 0) ? &t : NULL, NULL); in sys_poll()
1655 return my_syscall3(__NR_poll, fds, nfds, timeout); in sys_poll()
1680 int sys_select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *timeout) in sys_select() argument
1687 } arg = { .n = nfds, .r = rfds, .w = wfds, .e = efds, .t = timeout }; in sys_select()
1696 return my_syscall6(__NR_pselect6, nfds, rfds, wfds, efds, timeout ? &t : NULL, NULL); in sys_select()
1701 return my_syscall5(__NR__newselect, nfds, rfds, wfds, efds, timeout); in sys_select()
2139 int poll(struct pollfd *fds, int nfds, int timeout) in poll() argument
2141 int ret = sys_poll(fds, nfds, timeout); in poll()
2200 int select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *timeout) in select() argument
[all …]
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| /Linux-v5.15/include/linux/ |
| D | restart_block.h | 51 int nfds; member
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| D | compat.h | 641 unsigned int nfds,
646 unsigned int nfds,
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| D | syscalls.h | 1154 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
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| /Linux-v5.15/tools/testing/selftests/net/ |
| D | nettest.c | 1177 int nfds; in msg_loop() local
1198 nfds = interactive ? MAX(fileno(stdin), sd) + 1 : sd + 1; in msg_loop()
1205 rc = select(nfds, &rfds, NULL, NULL, ptval); in msg_loop()
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