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Searched refs:pread (Results 1 – 21 of 21) sorted by relevance

/Linux-v4.19/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-v4.19/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-v4.19/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-v4.19/tools/testing/selftests/proc/
Dproc-uptime.h33 rv = pread(fd, buf, sizeof(buf), 0); in proc_uptime()
/Linux-v4.19/tools/testing/selftests/vm/
Dtranshuge-stress.c46 if (pread(pagemap_fd, ent, sizeof(ent), in allocate_transhuge()
/Linux-v4.19/tools/hv/
Dhv_fcopy_daemon.c205 len = pread(fcopy_fd, &buffer, sizeof(buffer), 0); in main()
/Linux-v4.19/arch/um/drivers/
Dcow_user.c272 return pread(fd, buf, len, offset); in file_reader()
/Linux-v4.19/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-v4.19/arch/um/os-Linux/
Dfile.c270 int n = pread(fd, buf, len, offset); in os_pread_file()
/Linux-v4.19/tools/testing/selftests/sparc64/drivers/
Dadi-test.c218 ret = pread(fd, buf + bytes_read, buf_sz - bytes_read, in pread_adi()
/Linux-v4.19/Documentation/filesystems/
Dsysfs.txt190 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)
Dproc.txt1569 is simply the sum of bytes which this process passed to read() and pread().
1588 and pread().
/Linux-v4.19/Documentation/fault-injection/
Dfault-injection.txt405 pread(fail_nth, buf, sizeof(buf), 0);
/Linux-v4.19/tools/vm/
Dpage-types.c274 bytes = pread(fd, buf, count * 8, (off_t)index * 8); in do_u64_read()
/Linux-v4.19/tools/power/x86/x86_energy_perf_policy/
Dx86_energy_perf_policy.c638 retval = pread(fd, msr, sizeof(*msr), offset); in get_msr()
/Linux-v4.19/tools/perf/util/
Ddso.c824 ret = pread(dso->data.fd, cache->data, DSO__DATA_CACHE_SIZE, cache_offset); in dso_cache__read()
/Linux-v4.19/drivers/media/pci/ttpci/
Dav7110_av.c274 (unsigned long) buf->pread, (unsigned long) buf->pwrite); in av7110_pes_play()
/Linux-v4.19/Documentation/driver-api/
Duio-howto.rst620 err = pread(configfd, &command_high, 1, 5);
/Linux-v4.19/tools/power/x86/turbostat/
Dturbostat.c378 retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset); in get_msr()