mirror of https://github.com/flysand7/ciabatta.git
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
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#pragma once
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#include <cia/def.h>
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struct _LD_CRT_Params typedef _LD_CRT_Params;
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struct _LD_CRT_Params {
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u64 stack_size;
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u64 tls_image_size;
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void *tls_image_base;
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};
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// These signal a decision made by the main thread
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// about whether a thread should be detached or joined
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// If its not set, upon finishing the thread will wait
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// until one of these flags is set.
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// If the flag was set to detached, the thread will perform
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// cleanup on its own after it reached the end of execution.
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// If the flag was set to joined, it cannot perform the
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// cleanup on its own. For if it did, the check on the state_finish
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// futex might fail due to TCB being destroyed by the thread.
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// Which is why we first need to make sure the thread stopped working
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// and we don't need any of its TCB fields before cleaning it up on
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// the main thread.
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#define _LD_THREAD_STATE_NOT_YET 0x0
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#define _LD_THREAD_STATE_DETACHED 0x1
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#define _LD_THREAD_STATE_JOINED 0x2
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struct _LD_Thread_Block typedef _LD_Thread_Block;
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struct _LD_Thread_Block {
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/* DO NOT REORDER OR CHANGE SIZES (these comments are supposed to make it hard) */
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/* +0x00 */ i32 thread_id;
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/* +0x04 */ i32 state_finish;
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/* +0x08 */ _Atomic(u32) state_detach;
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/* +0x0c */ u32 exit_code;
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/* +0x10 */ u64 pad0;
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/* +0x18 */ u64 pad1;
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/* +0x20 */ u64 pad2;
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/* +0x28 */ u64 stack_canary;
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/* Not ABI dependent as far as I care (for now) */
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_LD_Thread_Block *next_tcb;
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_LD_Thread_Block *prev_tcb;
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_Atomic(u32) is_cancelled;
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};
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