322ec9ef8b
accounting from kernel (now in PM). Large amount of files in this commit is due to system time problems during development.
38 lines
1.9 KiB
C
38 lines
1.9 KiB
C
/* This is the per-process information. A slot is reserved for each potential
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* process. Thus NR_PROCS must be the same as in the kernel. It is not
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* possible or even necessary to tell when a slot is free here.
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*/
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EXTERN struct fproc {
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mode_t fp_umask; /* mask set by umask system call */
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struct inode *fp_workdir; /* pointer to working directory's inode */
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struct inode *fp_rootdir; /* pointer to current root dir (see chroot) */
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struct filp *fp_filp[OPEN_MAX];/* the file descriptor table */
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uid_t fp_realuid; /* real user id */
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uid_t fp_effuid; /* effective user id */
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gid_t fp_realgid; /* real group id */
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gid_t fp_effgid; /* effective group id */
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dev_t fp_tty; /* major/minor of controlling tty */
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int fp_fd; /* place to save fd if rd/wr can't finish */
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char *fp_buffer; /* place to save buffer if rd/wr can't finish*/
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int fp_nbytes; /* place to save bytes if rd/wr can't finish */
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int fp_cum_io_partial; /* partial byte count if rd/wr can't finish */
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char fp_suspended; /* set to indicate process hanging */
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char fp_revived; /* set to indicate process being revived */
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char fp_task; /* which task is proc suspended on */
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char fp_sesldr; /* true if proc is a session leader */
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pid_t fp_pid; /* process id */
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long fp_cloexec; /* bit map for POSIX Table 6-2 FD_CLOEXEC */
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} fproc[NR_PROCS];
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/* Field values. */
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#define NOT_SUSPENDED 0 /* process is not suspended on pipe or task */
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#define SUSPENDED 1 /* process is suspended on pipe or task */
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#define NOT_REVIVING 0 /* process is not being revived */
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#define REVIVING 1 /* process is being revived from suspension */
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#define PID_FREE 0 /* process slot free */
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#define PID_SERVER (-1) /* process has become a server */
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/* Check is process number is acceptable - includes system processes. */
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#define isokprocnr(n) ((unsigned)((n)+NR_TASKS) < NR_PROCS + NR_TASKS)
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