fergalmoran/ladybird
1
0
Fork 0
mirror of https://github.com/fergalmoran/ladybird.git synced 2025-12-24 18:28:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

Lots of hacking to make a very simple "ls" utility.

Browse Source 
I added a dead-simple malloc that only allows allocations < 4096 bytes.
It just forwards the request to mmap() every time.

I also added simplified versions of opendir() and readdir().
This commit is contained in:
Andreas Kling
2018-10-24 12:43:52 +02:00
parent 0c5bbac86e
commit bca4b71bfa
19 changed files with 277 additions and 67 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
Kernel/ProcFileSystem.cpp
View File

@@ -21,17 +21,18 @@ bool ProcFileSystem::initialize()
InterruptDisabler disabler;
auto tasks = Task::allTasks();
char* buffer;
auto stringImpl = StringImpl::createUninitialized(tasks.size() * 128, buffer);
auto stringImpl = StringImpl::createUninitialized(tasks.size() * 256, buffer);
memset(buffer, 0, stringImpl->length());
char* ptr = buffer;
ptr += ksprintf(ptr, "PID OWNER STATE NSCHED NAME\n");
ptr += ksprintf(ptr, "PID OWNER STATE NSCHED FDS NAME\n");
for (auto* task : tasks) {
ptr += ksprintf(ptr, "%w %w:%w %b %w %s\n",
ptr += ksprintf(ptr, "%w %w:%w %b %w %w %s\n",
task->pid(),
task->uid(),
task->gid(),
task->state(),
task->timesScheduled(),
task->fileHandleCount(),
task->name().characters());
}
ptr += ksprintf(ptr, "kmalloc: alloc: %u / free: %u\n", sum_alloc, sum_free);