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66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
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* Copyright (C) 2007 Bahadir Balban
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*
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* MM0 Posix system call prototypes and structure
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* definitions for converting data in message registers
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* into system call argument format.
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*/
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#ifndef __MM0_SYSARGS_H__
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#define __MM0_SYSARGS_H__
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#include <sys/types.h>
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#include <l4lib/types.h>
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#include <task.h>
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/* For reading argument data from a system call */
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struct sys_mmap_args {
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void *start;
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size_t length;
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int prot;
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int flags;
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int fd;
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off_t offset;
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};
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void *sys_mmap(struct tcb *task, struct sys_mmap_args *args);
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int sys_munmap(struct tcb *sender, void *vaddr, unsigned long size);
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int sys_msync(struct tcb *task, void *start, unsigned long length, int flags);
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void *sys_shmat(struct tcb *task, l4id_t shmid, const void *shmadr, int shmflg);
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int sys_shmdt(struct tcb *requester, const void *shmaddr);
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int sys_shmget(key_t key, int size, int shmflg);
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int sys_execve(struct tcb *sender, char *pathname, char *argv[], char *envp[]);
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int sys_fork(struct tcb *parent);
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int sys_clone(struct tcb *parent, void *child_stack, unsigned int clone_flags);
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void sys_exit(struct tcb *task, int status);
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/* Posix calls */
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int sys_open(struct tcb *sender, const char *pathname, int flags, u32 mode);
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int sys_readdir(struct tcb *sender, int fd, void *buf, int count);
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int sys_mkdir(struct tcb *sender, const char *pathname, unsigned int mode);
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int sys_chdir(struct tcb *sender, const char *pathname);
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/* Calls from pager that completes a posix call */
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int pager_open_bypath(struct tcb *pager, char *pathname);
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int pager_sys_open(struct tcb *sender, l4id_t opener, int fd);
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int pager_sys_read(struct tcb *sender, unsigned long vnum, unsigned long f_offset,
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unsigned long npages, void *pagebuf);
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int pager_sys_write(struct tcb *sender, unsigned long vnum, unsigned long f_offset,
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unsigned long npages, void *pagebuf);
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int pager_sys_close(struct tcb *sender, l4id_t closer, int fd);
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int pager_update_stats(struct tcb *sender, unsigned long vnum,
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unsigned long newsize);
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int pager_notify_fork(struct tcb *sender, l4id_t parentid,
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l4id_t childid, unsigned long utcb_address,
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unsigned int flags);
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int pager_notify_exit(struct tcb *sender, l4id_t tid);
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#endif /* __MM0_SYSARGS_H__ */
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