| [9] | 1 | #include <sys/select.h>
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| 2 |
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| 3 | /* This is the per-process information. A slot is reserved for each potential
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| 4 | * process. Thus NR_PROCS must be the same as in the kernel. It is not
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| 5 | * possible or even necessary to tell when a slot is free here.
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| 6 | */
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| 7 | EXTERN struct fproc {
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| 8 | mode_t fp_umask; /* mask set by umask system call */
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| 9 | struct inode *fp_workdir; /* pointer to working directory's inode */
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| 10 | struct inode *fp_rootdir; /* pointer to current root dir (see chroot) */
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| 11 | struct filp *fp_filp[OPEN_MAX];/* the file descriptor table */
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| 12 | fd_set fp_filp_inuse; /* which fd's are in use? */
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| 13 | uid_t fp_realuid; /* real user id */
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| 14 | uid_t fp_effuid; /* effective user id */
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| 15 | gid_t fp_realgid; /* real group id */
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| 16 | gid_t fp_effgid; /* effective group id */
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| 17 | dev_t fp_tty; /* major/minor of controlling tty */
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| 18 | int fp_fd; /* place to save fd if rd/wr can't finish */
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| 19 | char *fp_buffer; /* place to save buffer if rd/wr can't finish*/
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| 20 | int fp_nbytes; /* place to save bytes if rd/wr can't finish */
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| 21 | int fp_cum_io_partial; /* partial byte count if rd/wr can't finish */
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| 22 | char fp_suspended; /* set to indicate process hanging */
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| 23 | char fp_revived; /* set to indicate process being revived */
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| 24 | int fp_task; /* which task is proc suspended on */
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| 25 | char fp_sesldr; /* true if proc is a session leader */
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| 26 | char fp_execced; /* true if proc has exec()ced after fork */
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| 27 | pid_t fp_pid; /* process id */
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| 28 | long fp_cloexec; /* bit map for POSIX Table 6-2 FD_CLOEXEC */
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| 29 | int fp_endpoint; /* kernel endpoint number of this process */
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| 30 | } fproc[NR_PROCS];
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| 31 |
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| 32 | /* Field values. */
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| 33 | #define NOT_SUSPENDED 0 /* process is not suspended on pipe or task */
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| 34 | #define SUSPENDED 1 /* process is suspended on pipe or task */
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| 35 | #define NOT_REVIVING 0 /* process is not being revived */
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| 36 | #define REVIVING 1 /* process is being revived from suspension */
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| 37 | #define PID_FREE 0 /* process slot free */
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| 38 |
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| 39 | /* Check is process number is acceptable - includes system processes. */
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| 40 | #define isokprocnr(n) ((unsigned)((n)+NR_TASKS) < NR_PROCS + NR_TASKS)
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| 41 |
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