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Kernel+ProcessManager: Let processes have an icon and show it in the table.

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Processes can now have an icon assigned, which is essentially a 16x16 RGBA32
bitmap exposed as a shared buffer ID.

You set the icon ID by calling set_process_icon(int) and the icon ID will be
exposed through /proc/all.

To make this work, I added a mechanism for making shared buffers globally
accessible. For safety reasons, each app seals the icon buffer before making
it global.

Right now the first call to GWindow::set_icon() is what determines the
process icon. We'll probably change this in the future. :^)
This commit is contained in:
Andreas Kling 2019-07-29 07:26:01 +02:00
parent 7356fd389f
commit 5ded77df39
14 changed files with 97 additions and 2 deletions
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2
Libraries/LibC/unistd.h
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@ -24,10 +24,12 @@ int create_thread(int (*)(void*), void*);
void exit_thread(int);
int create_shared_buffer(int, void** buffer);
int share_buffer_with(int, pid_t peer_pid);
int share_buffer_globally(int);
void* get_shared_buffer(int shared_buffer_id);
int release_shared_buffer(int shared_buffer_id);
int seal_shared_buffer(int shared_buffer_id);
int get_shared_buffer_size(int shared_buffer_id);
int set_process_icon(int icon_id);
int read_tsc(unsigned* lsw, unsigned* msw);
inline int getpagesize() { return 4096; }
pid_t fork();