RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-06-19 17:22:06 +00:00
Code Issues Activity Actions

Kernel: Add /proc/self, a symlink to the /proc/$PID.

Browse source 
This will be useful for implementing things like /dev/stdin.
This commit is contained in:
Andreas Kling 2019-02-03 04:54:52 +01:00
parent c2adfd0e2d
commit e895d6c48e
1 changed files with 8 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Kernel/ProcFileSystem.cpp
View file

@ -150,6 +150,13 @@ ByteBuffer procfs$pid_cwd(Process& process)
return VFS::the().absolute_path(*inode).to_byte_buffer(); return VFS::the().absolute_path(*inode).to_byte_buffer();
} }
ByteBuffer procfs$self(SynthFSInode&)
{
char buffer[16];
ksprintf(buffer, "%u", current->pid());
return ByteBuffer::copy((const byte*)buffer, strlen(buffer));
}
void ProcFS::add_process(Process& process) void ProcFS::add_process(Process& process)
{ {
InterruptDisabler disabler; InterruptDisabler disabler;
@ -400,6 +407,7 @@ bool ProcFS::initialize()
add_file(create_generated_file("cpuinfo", procfs$cpuinfo)); add_file(create_generated_file("cpuinfo", procfs$cpuinfo));
add_file(create_generated_file("inodes", procfs$inodes)); add_file(create_generated_file("inodes", procfs$inodes));
add_file(create_generated_file("dmesg", procfs$dmesg)); add_file(create_generated_file("dmesg", procfs$dmesg));
add_file(create_generated_file("self", procfs$self, 00120777));
m_sys_dir = add_file(create_directory("sys")); m_sys_dir = add_file(create_directory("sys"));
return true; return true;
} }