guoshichao

open_posix: fix the testcase of sem_open/s-c1.c build warning

1

the sem_open/s-c1.c has build warning, fix the build warning by remove the "static" declaration of "struct row" Signed-off-by: guoshichao

open_posix: add usleep aviod semcount overturn in pthread_kill testcase

1

A short-term infinite loop will cause semcount to exceed the limit in sem_post, so we add sleep to fix this case Signed-off-by: anjiahao

open_posix: Re-init static variable to avoid errors during multiple runs

1

open_posix: the static variables need to re-init before running again, thus to aovid report error with running multiple times Signed-off-by: Huang Qi

open_posix: modify code for fdcheck check compatibility

1

open_posix: the origin implementation cannot pass the fdcheck test, using the OPEN_MAX to control can help compatible with the fdcheck test Signed-off-by: hujun5

open_posix: fix the sigaction testcase cannot running multi times

1

open_posix: fix the ltp_interfaces_sigaction_23_10 deadloop at second run Signed-off-by: guohao15

open_posix: modified ltp,rwlock need init

3

open_posix: the rwlock need to init, to add init procedure to the rwlock before use Signed-off-by: anjiahao

## Summary the "-pipe" build option is unnecessary, so remove it from all build file ## Impact ## Testing

## Summary 1. add secure monitor implementation for armv7-a platform 2. add qemu-idle implementation for armv7-a qemu platform ## Impact ## Testing

greenhills: add cmake support

12

## Summary 1. refactor the toolchain management in CMake 2. unify the cmake toolchain name style 3. support greenhills build procedure with CMake 4. add protect build for greenhills and...

V7a mon

2

*Note: Please adhere to [Contributing Guidelines](https://github.com/apache/nuttx/blob/master/CONTRIBUTING.md).* ## Summary *Update this section with information on why change is necessary, what it exactly does and how, if new feature shows up, provide...