Mark
83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
#pragma once
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#include "sys/types.h"
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#include "sys/fs/vfs.h"
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#define THREAD_KERNEL (1 << 31)
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#define THREAD_SIGRET (1 << 29)
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#define THREAD_CTX_SAVED (1 << 28)
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// Thread is stopped, wait()ed by its parent and ready for reaping
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#define THREAD_DONE_WAITING (1 << 5)
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// Well, this is actually the opposite - not a child waiting to be
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// wait()ed by a parent (as I have no wait() yet), but rather a
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// parent awaiting child process tree termination.
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// XXX: RENAME THIS TO SOMETHING IN LATER COMMITS
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#define THREAD_ZOMBIE (1 << 4)
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#define THREAD_WAITING (1 << 3)
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#define THREAD_STOPPED (1 << 2)
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// Thread init flags:
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// Initialize I/O context and open stdio
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#define THREAD_INIT_IOCTX (1 << 1)
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// Initialize platform context
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#define THREAD_INIT_CTX (1 << 0)
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#if defined(ARCH_AMD64)
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typedef uint64_t *mm_space_t;
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#include "sys/amd64/sys/thread.h"
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#endif
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struct image_info {
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uintptr_t image_end;
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uintptr_t brk;
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};
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struct thread {
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__plat_thread data;
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struct image_info image;
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// Arguments are stored here
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uintptr_t argp_page;
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uintptr_t argp_page_phys;
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uint64_t flags;
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uint32_t pid;
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int exit_code;
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struct vfs_ioctx ioctx;
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struct ofile fds[4];
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// Signals
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uint32_t sigq;
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// Signal handler stack and entry
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uintptr_t sigentry;
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uintptr_t sigstack;
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mm_space_t space;
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// TODO: maybe __sched_thread
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int cpu;
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struct thread *prev;
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struct thread *next;
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struct thread *parent;
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struct thread *child;
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struct thread *next_child;
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};
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int thread_init(struct thread *t,
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mm_space_t space,
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uintptr_t entry,
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uintptr_t stack0_base,
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size_t stack0_size,
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uintptr_t stack3_base,
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size_t stack3_size,
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uint32_t flags,
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uint32_t init_flags,
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void *arg);
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void thread_cleanup(struct thread *t);
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void thread_terminate(struct thread *t);
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void thread_signal(struct thread *t, int signum);
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