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LibGUI+Kernel: Add a GLock class (userspace mutex.)

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It's basically a userspace port of the kernel's Lock class.
Added gettid() and donate() syscalls to support the timeslice donation
feature we already enjoyed in the kernel.
This commit is contained in:
Andreas Kling 2019-03-25 13:03:49 +01:00
parent 108b663618
commit 500df578fe
10 changed files with 176 additions and 12 deletions
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2
LibC/unistd.h
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@ -14,6 +14,8 @@ __BEGIN_DECLS
extern char** environ;
int gettid();
int donate(int tid);
int create_thread(int(*)(void*), void*);
int create_shared_buffer(pid_t peer_pid, int, void** buffer);
void* get_shared_buffer(int shared_buffer_id);