42ab148155
New configuration header file to include/ exclude functionality. Extracted privileged features from struct proc and create new struct priv. Renamed various system calls for readability.
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/* The system call implemented in this file:
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* m_type: SYS_TIMES
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*
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* The parameters for this system call are:
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* m4_l1: T_PROC_NR (get info for this process)
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* m4_l1: T_USER_TIME (return values ...)
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* m4_l2: T_SYSTEM_TIME
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* m4_l5: T_BOOT_TICKS
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*/
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#include "../system.h"
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#if USE_TIMES
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/*===========================================================================*
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* do_times *
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*===========================================================================*/
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PUBLIC int do_times(m_ptr)
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register message *m_ptr; /* pointer to request message */
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{
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/* Handle sys_times(). Retrieve the accounting information. */
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register struct proc *rp;
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int proc_nr;
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/* Insert the times needed by the SYS_TIMES system call in the message.
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* The clock's interrupt handler may run to update the user or system time
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* while in this code, but that cannot do any harm.
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*/
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proc_nr = (m_ptr->T_PROC_NR == SELF) ? m_ptr->m_source : m_ptr->T_PROC_NR;
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if (isokprocn(proc_nr)) {
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rp = proc_addr(m_ptr->T_PROC_NR);
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m_ptr->T_USER_TIME = rp->p_user_time;
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m_ptr->T_SYSTEM_TIME = rp->p_sys_time;
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}
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m_ptr->T_BOOT_TICKS = get_uptime();
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return(OK);
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}
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#endif /* USE_TIMES */
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