Issue: https://gitee.com/openharmony/third_party_musl/issues/I7O55C

test: libctest
Signed-off-by: Nzzulilyw <liuyawei10@huawei.com>

Issue:I7K19J
test:lib-test, benchmark
Signed-off-by: Nqijinquan <qijinquan@kaihong.com>

Issue: https://gitee.com/openharmony/third_party_musl/issues/I7NWEI

test: libc-test
Signed-off-by: zzulilyw <378305181@qq.com>

Issue:I7NQ5W
Signed-off-by: Nyinchuang <yinchuang@huawei.com>
Test:libctest

Issue: I7MRBU
Test: libc-test
Change-Id: Ic71d77e6fa4df22faa54d85e9e8997b413a6b0dc
Signed-off-by: Nrobottoy <wangyaofeng.wang@huawei.com>

Use __builtin_memset to init pthread_mutex_t and pthread_rwlock_t.

Issue: #I7MIQ5
Test: libctest, benchmark
Signed-off-by: Nlitao <litao@kaihong.com>
Change-Id: I5744c6cf27e9deff551f20b3dd663648420b4330

Use __builtin_memset to init pthread_cond_t.

Issue: #I7M851
Test: libctest, benchmark
Signed-off-by: Nlitao <litao@kaihong.com>
Change-Id: Ib30428b82df4eebe7788f88e2638189e5afa1f97

Issue: https://gitee.com/openharmony/third_party_musl/issues/I7JK2Z

test: libc-test
Signed-off-by: zzulilyw <378305181@qq.com>

Implement fileno_unlocked without FLOCK.

Issue: #I7L16Z
Test: libctest, benchmark
Signed-off-by: Nlitao <litao@kaihong.com>
Change-Id: Iee03e7a561e5bedde74054910a0e7ecebf7afe67

Inline the strlen function to reduce the cost of function calls.

Issue: #I7L0VO
Test: libctest, benchmark
Signed-off-by: Nlitao <litao@kaihong.com>
Change-Id: I0d80a7c985392ebe860ba0deaa67ad7d093705c1

Issue: https://gitee.com/openharmony/third_party_musl/issues/I7JK2Z

test: libc-test
Signed-off-by: zzulilyw <378305181@qq.com>

Issue:I7F1H2

Test: libctest
Signed-off-by: Nyinchuang <yinchuang@huawei.com>
Change-Id: Iaee5b6292fd2c13398dd75cdf34cd14b0b5cac1e

Issue: #I7G4XP
Test: libc-test, benchmark
Change-Id: Ica380c7056c9cc27c710413fa8752cad14b9230f
Signed-off-by: Nrobottoy <wangyaofeng.wang@huawei.com>

Issue:I7DUFD
Test:libc-test
Signed-off-by: Nfangting <fangting12@huawei.com>

Issue:I79RDX
test:lib-test, benchmark
Signed-off-by: Nqijinquan <qijinquan@kaihong.com>

reduce duplicate calling (syscall-fcntl, strstr)
allocate file buffer if need, to reduce calling malloc
allocate FILE structs in advance, and reuse them after calling fclose.

Issue: #I7CF8X
Test:libc-test, benchmark, wukong test
Signed-off-by: NWang Yaofeng <wangyaofeng.wang@huawei.com>
Change-Id: I12585e1ad99b8dbecbbaec1d259d26c58f266cd0

Issue:#I7F1P4

test: libc-test & benchmark
Signed-off-by: Nhaotuo <haotuo@huawei.com>
Change-Id: I9827079e536fd54a29e09cfaa55e055c9ff02120

Issue: I79VSS
Test: libc-test,benchmark,POSIX xts
Change-Id: I07c517702a977895e759aab787167e9e3521da76
Signed-off-by: Nrobottoy <wangyaofeng.wang@huawei.com>

Issue:I78NRZ
Signed-off-by: Nfangting <fangting12@huawei.com>

2. Optimize syscall_cp 2 syscall because pthread_cancel not available on ohos

Issue:#I76K30

Test: libc test && benchmark
Signed-off-by: Nhaotuo <haotuo@huawei.com>
Change-Id: I9fff69b3d51337fbf2f1545ea47af871b544d9cc

Issue:I799HR
Test:libc-test
Signed-off-by: Nrobottoy <wangyaofeng.wang@huawei.com>

Issue:I77Z1V
Signed-off-by: Nyinchuang <yinchuang@huawei.com>
Test: Build & Boot Device

Issue:I70LQ0
Signed-off-by: Nyinchuang <yinchuang@huawei.com>
Test:Build & Boot Device

Original fwrite call sys_writev to sync user buffer &&
file buffer to disk at same time, but user buffer may samll than file
buffer, that may reduce I/O throughout.
fix freadx internal api in fmemopen/stdin/freopen

Issue:I73VQ3
Test:libc-test, benchmark
Signed-off-by: Nrobottoy <wangyaofeng.wang@huawei.com>
Change-Id: Ic7315e0a5a0f5f18e3c3f3dd8aecbdc9af1290db

Issue: #I73MBP

Test: libc test & benchmark test
Signed-off-by: Nhaotuo <haotuo@huawei.com>
Change-Id: Ibf8667e46c5199e5b7c3039029efb5b9daacc836

Original stdio read use readv as default syscall,calling vfs_read twice will
reduce I/O throughout, use syscall read instead with buffer if possible

Issue:I70LQ0
Test: libc-test, benchmark
Signed-off-by: Nrobottoy <wangyaofeng.wang@huawei.com>
Change-Id: I2e5c0298fcd665edb3228ca400ee77fbf25a298c

Fix warning in x86 libc-test build
Issue: #I7152S
Signed-off-by: Nguzhihao4 <guzhihao4@huawei.com>
Change-Id: I16e02a24e72250efe13ffcbdcb7bc51c681f489c

 Issue: #I6U3D6
 Test: cfi demo pass
Signed-off-by: Narvinzzz <zhaotianyu9@huawei.com>
Change-Id: Ia9dbfdf18952b614cfed4a97e6366ee9cb8dedce

    Issue: I6HRVC
    Test: Build & Boot Devices
Signed-off-by: Ndhy308 <tony.gan@huawei.com>

Modify the get_nprocs_conf to count the number of cpuNN directories.
Modify the get_nprocs to read the number of CPUs in the online file.

Issue:I6FACP
Test:pass
Signed-off-by: Nmaweiye <maweiye@huawei.com>

    Issue: I6DO52
    Test: Build & Boot Devices
Signed-off-by: Ndhy308 <tony.gan@huawei.com>

Signed-off-by: Nlutao <lutao31@huawei.com>

Keep arch/x86_64/bits/float.h in musl_inc_bits_files
Signed-off-by: Nguzhihao4 <guzhihao4@huawei.com>

Specify correct float.h in musl_src.gni
Test: self test passed
Issue:I6FOSQ
Signed-off-by: Nguzhihao4 <guzhihao4@huawei.com>
Change-Id: I0d602b149538eb784ab95fee8da6510f671dc8cf

Signed-off-by: Nlutao <lutao31@huawei.com>

Change long double macro to ld128
Test: XTS passed
Issue: I6EUIF
Signed-off-by: Nguzhihao4 <guzhihao4@huawei.com>
Change-Id: I932f3fe5a1f7d3877b02a8d93e56a30e727b91e4

Issue: I6AEEI
Test: Build & Boot Devices
Signed-off-by: Ndhy308 <tony.gan@huawei.com>

Issue: I63SN1
Test: pass
Signed-off-by: Nmaweiye <maweiye@huawei.com>

Issue: I6A9R5
Test: libc-test pass
Signed-off-by: Ndhy308 <tony.gan@huawei.com>