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Searched refs:pread (Results 1 – 22 of 22) sorted by relevance

/Linux-v5.4/drivers/media/dvb-core/
Ddvb_ringbuffer.c40 rbuf->pread=rbuf->pwrite=0; in dvb_ringbuffer_init()
60 return (rbuf->pread == smp_load_acquire(&rbuf->pwrite)); in dvb_ringbuffer_empty()
74 free = READ_ONCE(rbuf->pread) - rbuf->pwrite; in dvb_ringbuffer_free()
90 avail = smp_load_acquire(&rbuf->pwrite) - rbuf->pread; in dvb_ringbuffer_avail()
106 smp_store_release(&rbuf->pread, smp_load_acquire(&rbuf->pwrite)); in dvb_ringbuffer_flush()
116 smp_store_release(&rbuf->pread, 0); in dvb_ringbuffer_reset()
138 split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0; in dvb_ringbuffer_read_user()
140 if (copy_to_user(buf, rbuf->data+rbuf->pread, split)) in dvb_ringbuffer_read_user()
148 smp_store_release(&rbuf->pread, 0); in dvb_ringbuffer_read_user()
150 if (copy_to_user(buf, rbuf->data+rbuf->pread, todo)) in dvb_ringbuffer_read_user()
[all …]
/Linux-v5.4/tools/testing/selftests/intel_pstate/
Daperf.c59 pread(fd, &old_tsc, sizeof(old_tsc), 0x10); in main()
60 pread(fd, &old_aperf, sizeof(old_mperf), 0xe7); in main()
61 pread(fd, &old_mperf, sizeof(old_aperf), 0xe8); in main()
68 pread(fd, &new_tsc, sizeof(new_tsc), 0x10); in main()
69 pread(fd, &new_aperf, sizeof(new_mperf), 0xe7); in main()
70 pread(fd, &new_mperf, sizeof(new_aperf), 0xe8); in main()
Dmsr.c36 pread(fd, &msr, sizeof(msr), 0x199); in main()
/Linux-v5.4/include/media/
Ddvb_ringbuffer.h44 ssize_t pread; member
126 ((rbuf)->data[((rbuf)->pread + (offs)) % (rbuf)->size])
135 (rbuf)->pread = ((rbuf)->pread + (num)) % (rbuf)->size;\
/Linux-v5.4/tools/testing/selftests/proc/
Dproc-uptime.h33 rv = pread(fd, buf, sizeof(buf), 0); in proc_uptime()
/Linux-v5.4/tools/testing/selftests/vm/
Dtranshuge-stress.c46 if (pread(pagemap_fd, ent, sizeof(ent), in allocate_transhuge()
/Linux-v5.4/tools/hv/
Dhv_fcopy_daemon.c196 len = pread(fcopy_fd, &buffer, sizeof(buffer), 0); in main()
/Linux-v5.4/arch/um/drivers/
Dcow_user.c272 return pread(fd, buf, len, offset); in file_reader()
/Linux-v5.4/Documentation/translations/zh_CN/filesystems/
Dsysfs.txt199 向后搜索到零或使用‘0’偏移执行一个pread(2)操作,show()方法将
/Linux-v5.4/arch/um/os-Linux/
Dfile.c271 int n = pread(fd, buf, len, offset); in os_pread_file()
/Linux-v5.4/tools/testing/selftests/sparc64/drivers/
Dadi-test.c218 ret = pread(fd, buf + bytes_read, buf_sz - bytes_read, in pread_adi()
/Linux-v5.4/tools/power/x86/x86_energy_perf_policy/
Dx86_energy_perf_policy.c637 retval = pread(fd, msr, sizeof(*msr), offset); in get_msr()
/Linux-v5.4/tools/vm/
Dpage-types.c262 bytes = pread(fd, buf, count * 8, (off_t)index * 8); in do_u64_read()
/Linux-v5.4/Documentation/fault-injection/
Dfault-injection.rst416 pread(fail_nth, buf, sizeof(buf), 0);
/Linux-v5.4/Documentation/filesystems/
Dsysfs.txt211 zero or does a pread(2) with an offset of '0' the show() method will
Dspufs.txt58 read(2), pread(2), write(2), pwrite(2), lseek(2)
Dfsverity.rst464 read(), pread()) and regardless of whether it's the first read or a
Dproc.txt1614 is simply the sum of bytes which this process passed to read() and pread().
1633 and pread().
/Linux-v5.4/tools/perf/util/
Ddso.c860 ret = pread(dso->data.fd, data, DSO__DATA_CACHE_SIZE, offset); in file_read()
/Linux-v5.4/drivers/media/pci/ttpci/
Dav7110_av.c260 (unsigned long) buf->pread, (unsigned long) buf->pwrite); in av7110_pes_play()
/Linux-v5.4/Documentation/driver-api/
Duio-howto.rst627 err = pread(configfd, &command_high, 1, 5);
/Linux-v5.4/tools/power/x86/turbostat/
Dturbostat.c384 retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset); in get_msr()