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jfb8856606 merged 3 commits into from
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Adapter syscall readme "sysctall" typo #1087

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4f1f01c
import errno header in adapter/syscall/ff_socket_ops.c
Jul 12, 2026
45ebc57
changed typo in adapter/syscall/README.md from to
Jul 12, 2026
ed30999
revert adapter/syscall/ff_socket_ops.c back to dev version - accident…
Jul 12, 2026
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16 changes: 8 additions & 8 deletions adapter/syscall/README.md
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Expand Up @@ -4,7 +4,7 @@ This document mainly [Translated](https://lovelyping.com/?p=267) by ChatGPT.



The long-awaited `LD_PRELOAD` function module (later replaced by `libff_syscall.so`) has been submitted to the [adapter/sysctall](https://github.com/F-Stack/f-stack/tree/dev/adapter/syscall) directory in the F-Stack dev branch, which supports code hooking for system kernel socket-related interfaces, reducing the threshold for existing applications to port to F-Stack. The following will provide specific introductions, including the architecture related to `libff_syscall.so`, some of the considerations involved, the supported modes, and how to use it.
The long-awaited `LD_PRELOAD` function module (later replaced by `libff_syscall.so`) has been submitted to the [adapter/syscall](https://github.com/F-Stack/f-stack/tree/dev/adapter/syscall) directory in the F-Stack dev branch, which supports code hooking for system kernel socket-related interfaces, reducing the threshold for existing applications to port to F-Stack. The following will provide specific introductions, including the architecture related to `libff_syscall.so`, some of the considerations involved, the supported modes, and how to use it.

Overall conclusion:

Expand Down Expand Up @@ -59,10 +59,10 @@ export FF_PATH=/data/f-stack
export PKG_CONFIG_PATH=/usr/lib64/pkgconfig:/usr/local/lib64/pkgconfig:/usr/lib/pkgconfig
```

Compile directly in the `adapter/sysctall` directory to obtain the relevant functional components of `libff_syscall.so`:
Compile directly in the `adapter/syscall` directory to obtain the relevant functional components of `libff_syscall.so`:

```
cd /data/f-stack/adapter/sysctall
cd /data/f-stack/adapter/syscall
make clean;make all

ls -lrt
Expand Down Expand Up @@ -145,7 +145,7 @@ The performance of this usage method is slightly better than using the system's

### RTC (run to completion) mode within threads (processes)

This mode needs to set additional compilation parameters to enable it, and `libff_syscall.so` can be compiled after enabling `FF_THREAD_SOCKET` in `adapter/sysctall/Makefile` or executing the following shell command.
This mode needs to set additional compilation parameters to enable it, and `libff_syscall.so` can be compiled after enabling `FF_THREAD_SOCKET` in `adapter/syscall/Makefile` or executing the following shell command.

```
export FF_THREAD_SOCKET=1
Expand All @@ -168,7 +168,7 @@ Other same as the default PIPELINE mode, you can refer to the DEMO program `hell

### FF_KERNEL_EVENT Mode

This mode can support both F-Stack and the system kernel's socket interface at the same time. It needs to set additional compilation parameters to enable it, and `FF_KERNEL_EVENT` can be enabled in `adapter/sysctall/Makefile` or executing the following shell command.
This mode can support both F-Stack and the system kernel's socket interface at the same time. It needs to set additional compilation parameters to enable it, and `FF_KERNEL_EVENT` can be enabled in `adapter/syscall/Makefile` or executing the following shell command.

```
export FF_KERNEL_EVENT=1
Expand All @@ -187,7 +187,7 @@ In this mode, the `epoll` related interface will call the system kernel's relate

### FF_MULTI_SC Mode

This mode is set for special settings such as Nginx using the kernel's `SO_REUSEPORT` and running worker processes with `fork`. It needs to set additional compilation parameters to enable it, and `FF_MULTI_SC` can be enabled in `adapter/sysctall/Makefile` or executing the following shell command.
This mode is set for special settings such as Nginx using the kernel's `SO_REUSEPORT` and running worker processes with `fork`. It needs to set additional compilation parameters to enable it, and `FF_MULTI_SC` can be enabled in `adapter/syscall/Makefile` or executing the following shell command.

```
export FF_MULTI_SC=1
Expand All @@ -212,7 +212,7 @@ Both `FF_THREAD_SOCKET` and `FF_MULTI_SC` modes need to be enabled for compilati
export FF_PATH=/data/f-stack
export PKG_CONFIG_PATH=/usr/lib64/pkgconfig:/usr/local/lib64/pkgconfig:/usr/lib/pkgconfig

cd /data/f-stack/adapter/sysctall
cd /data/f-stack/adapter/syscall
export FF_KERNEL_EVENT=1
export FF_MULTI_SC=1
make clean;make all
Expand Down Expand Up @@ -323,7 +323,7 @@ Kernel: 5.4.119-1-tlinux4-0009.1 #1 SMP Sun Jan 23 22:20:03 CST 2022 x86_64 x86_

### Compilation Parameters

This section provides an overall introduction to various compilation options. All parameters can be enabled in `adapter/sysctall/Makefile` or set environment variables through shell commands to enable.
This section provides an overall introduction to various compilation options. All parameters can be enabled in `adapter/syscall/Makefile` or set environment variables through shell commands to enable.

#### DEBUG

Expand Down
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