#ifndef _HACK_SCHED_H #define _HACK_SCHED_H #include #include #include #include #include #include #include "mapped-time.h" #include #include #include #define jiffies (fetch_jiffies ()) extern struct task_struct *current; extern struct task_struct current_contents; struct task_struct { uid_t pgrp, pid; int flags; int timeout; int signal; int blocked; int state; int isroot; }; /* FLAGS in task_struct's. */ #define PF_EXITING 1 /* STATE in task_struct's. */ #define TASK_INTERRUPTIBLE 1 #define TASK_RUNNING 2 extern inline int suser () { return current->isroot; }; void wake_up_interruptible (struct wait_queue **); void interruptible_sleep_on (struct wait_queue **); void select_wait (struct wait_queue **, select_table *); void schedule (void); #define SEL_IN SELECT_READ #define SEL_OUT SELECT_WRITE #define SEL_EX SELECT_URG /* This function is used only to send SIGPIPE to the current task. In all such cases, EPIPE is returned anyhow. In the Hurd, servers are not responsible for SIGPIPE; the library does that itself upon receiving EPIPE. So we can just NOP such calls. */ extern inline int send_sig (u_long signo, struct task_struct *task, int priv) { assert (signo == SIGPIPE); assert (task == current); return 0; } int fetch_current_time (void); struct timeval fetch_xtime (void); #define xtime (fetch_xtime ()) #define CURRENT_TIME (xtime.tv_sec) static struct timeval _xtime_buf; extern inline struct timeval fetch_xtime () { fill_timeval (&_xtime_buf); return _xtime_buf; } #endif