73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
#ifndef __VFS_FPROC_H__
|
|
#define __VFS_FPROC_H__
|
|
|
|
#include "threads.h"
|
|
|
|
#include <sys/select.h>
|
|
#include <minix/safecopies.h>
|
|
|
|
/* This is the per-process information. A slot is reserved for each potential
|
|
* process. Thus NR_PROCS must be the same as in the kernel. It is not
|
|
* possible or even necessary to tell when a slot is free here.
|
|
*/
|
|
#define LOCK_DEBUG 0
|
|
EXTERN struct fproc {
|
|
unsigned fp_flags;
|
|
|
|
pid_t fp_pid; /* process id */
|
|
endpoint_t fp_endpoint; /* kernel endpoint number of this process */
|
|
|
|
struct vnode *fp_wd; /* working directory; NULL during reboot */
|
|
struct vnode *fp_rd; /* root directory; NULL during reboot */
|
|
|
|
struct filp *fp_filp[OPEN_MAX];/* the file descriptor table */
|
|
fd_set fp_filp_inuse; /* which fd's are in use? */
|
|
fd_set fp_cloexec_set; /* bit map for POSIX Table 6-2 FD_CLOEXEC */
|
|
|
|
dev_t fp_tty; /* major/minor of controlling tty */
|
|
|
|
int fp_blocked_on; /* what is it blocked on */
|
|
int fp_block_callnr; /* blocked call if rd/wr can't finish */
|
|
int fp_cum_io_partial; /* partial byte count if rd/wr can't finish */
|
|
endpoint_t fp_task; /* which task is proc suspended on */
|
|
endpoint_t fp_ioproc; /* proc no. in suspended-on i/o message */
|
|
|
|
cp_grant_id_t fp_grant; /* revoke this grant on unsuspend if > -1 */
|
|
|
|
uid_t fp_realuid; /* real user id */
|
|
uid_t fp_effuid; /* effective user id */
|
|
gid_t fp_realgid; /* real group id */
|
|
gid_t fp_effgid; /* effective group id */
|
|
int fp_ngroups; /* number of supplemental groups */
|
|
gid_t fp_sgroups[NGROUPS_MAX];/* supplemental groups */
|
|
mode_t fp_umask; /* mask set by umask system call */
|
|
|
|
message *fp_sendrec; /* request/reply to/from FS/driver */
|
|
mutex_t fp_lock; /* mutex to lock fproc object */
|
|
struct job fp_job; /* pending job */
|
|
thread_t fp_wtid; /* Thread ID of worker */
|
|
#if LOCK_DEBUG
|
|
int fp_vp_rdlocks; /* number of read-only locks on vnodes */
|
|
int fp_vmnt_rdlocks; /* number of read-only locks on vmnts */
|
|
#endif
|
|
} fproc[NR_PROCS];
|
|
|
|
/* fp_flags */
|
|
#define FP_NOFLAGS 00
|
|
#define FP_SUSP_REOPEN 01 /* Process is suspended until the reopens are
|
|
* completed (after the restart of a driver).
|
|
*/
|
|
#define FP_REVIVED 0002 /* Indicates process is being revived */
|
|
#define FP_SESLDR 0004 /* Set if process is session leader */
|
|
#define FP_PENDING 0010 /* Set if process has pending work */
|
|
#define FP_EXITING 0020 /* Set if process is exiting */
|
|
#define FP_PM_PENDING 0040 /* Set if process has pending PM request */
|
|
#define FP_SYS_PROC 0100 /* Set if process is a driver or FS */
|
|
#define FP_DROP_WORK 0200 /* Set if process won't accept new work */
|
|
|
|
/* Field values. */
|
|
#define NOT_REVIVING 0xC0FFEEE /* process is not being revived */
|
|
#define REVIVING 0xDEEAD /* process is being revived from suspension */
|
|
#define PID_FREE 0 /* process slot free */
|
|
|
|
#endif /* __VFS_FPROC_H__ */
|