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This implements the infrastructure for read/write system calls where file content is first searched in mm0's page cache and then read-in or written via the vfs read/write functions. modified: tasks/fs0/src/syscalls.c modified: tasks/mm0/include/lib/bit.h modified: tasks/mm0/include/lib/idpool.h modified: tasks/mm0/include/task.h modified: tasks/mm0/include/vm_area.h modified: tasks/mm0/main.c modified: tasks/mm0/src/devzero.c modified: tasks/mm0/src/fault.c new file: tasks/mm0/src/file.c modified: tasks/mm0/src/init.c modified: tasks/mm0/src/lib/bit.c modified: tasks/mm0/src/lib/idpool.c modified: tasks/mm0/src/task.c
21 lines
494 B
C
21 lines
494 B
C
#ifndef __MM0_IDPOOL_H__
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#define __MM0_IDPOOL_H__
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#include <lib/bit.h>
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#include <lib/spinlock.h>
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struct id_pool {
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struct spinlock lock;
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int nwords;
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u32 bitmap[];
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};
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struct id_pool *id_pool_new_init(int mapsize);
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int id_new(struct id_pool *pool);
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int id_del(struct id_pool *pool, int id);
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int id_get(struct id_pool *pool, int id);
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int ids_new_contiguous(struct id_pool *pool, int numids);
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int ids_del_contiguous(struct id_pool *pool, int first, int numids);
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#endif /* __MM0_IDPOOL_H__ */
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