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freebsd-dev/lib/libprocstat/libprocstat.h
Pedro F. Giffuni 5e53a4f90f lib: further adoption of SPDX licensing ID tags. 
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
2017-11-26 02:00:33 +00:00

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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org>
* Copyright (c) 2017 Dell EMC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _LIBPROCSTAT_H_
#define _LIBPROCSTAT_H_
/*
* XXX: sys/elf.h conflicts with zfs_context.h. Workaround this by not
* including conflicting parts when building zfs code.
*/
#ifndef ZFS
#include <sys/elf.h>
#endif
#include <sys/caprights.h>
/*
* Vnode types.
*/
#define PS_FST_VTYPE_VNON 1
#define PS_FST_VTYPE_VREG 2
#define PS_FST_VTYPE_VDIR 3
#define PS_FST_VTYPE_VBLK 4
#define PS_FST_VTYPE_VCHR 5
#define PS_FST_VTYPE_VLNK 6
#define PS_FST_VTYPE_VSOCK 7
#define PS_FST_VTYPE_VFIFO 8
#define PS_FST_VTYPE_VBAD 9
#define PS_FST_VTYPE_UNKNOWN 255
/*
* Descriptor types.
*/
#define PS_FST_TYPE_VNODE 1
#define PS_FST_TYPE_FIFO 2
#define PS_FST_TYPE_SOCKET 3
#define PS_FST_TYPE_PIPE 4
#define PS_FST_TYPE_PTS 5
#define PS_FST_TYPE_KQUEUE 6
#define PS_FST_TYPE_CRYPTO 7
#define PS_FST_TYPE_MQUEUE 8
#define PS_FST_TYPE_SHM 9
#define PS_FST_TYPE_SEM 10
#define PS_FST_TYPE_UNKNOWN 11
#define PS_FST_TYPE_NONE 12
#define PS_FST_TYPE_PROCDESC 13
/*
* Special descriptor numbers.
*/
#define PS_FST_UFLAG_RDIR 0x0001
#define PS_FST_UFLAG_CDIR 0x0002
#define PS_FST_UFLAG_JAIL 0x0004
#define PS_FST_UFLAG_TRACE 0x0008
#define PS_FST_UFLAG_TEXT 0x0010
#define PS_FST_UFLAG_MMAP 0x0020
#define PS_FST_UFLAG_CTTY 0x0040
/*
* Descriptor flags.
*/
#define PS_FST_FFLAG_READ 0x0001
#define PS_FST_FFLAG_WRITE 0x0002
#define PS_FST_FFLAG_NONBLOCK 0x0004
#define PS_FST_FFLAG_APPEND 0x0008
#define PS_FST_FFLAG_SHLOCK 0x0010
#define PS_FST_FFLAG_EXLOCK 0x0020
#define PS_FST_FFLAG_ASYNC 0x0040
#define PS_FST_FFLAG_SYNC 0x0080
#define PS_FST_FFLAG_NOFOLLOW 0x0100
#define PS_FST_FFLAG_CREAT 0x0200
#define PS_FST_FFLAG_TRUNC 0x0400
#define PS_FST_FFLAG_EXCL 0x0800
#define PS_FST_FFLAG_DIRECT 0x1000
#define PS_FST_FFLAG_EXEC 0x2000
#define PS_FST_FFLAG_HASLOCK 0x4000
struct kinfo_kstack;
struct kinfo_vmentry;
struct procstat;
struct ptrace_lwpinfo;
struct rlimit;
struct filestat {
int fs_type; /* Descriptor type. */
int fs_flags; /* filestat specific flags. */
int fs_fflags; /* Descriptor access flags. */
int fs_uflags; /* How this file is used. */
int fs_fd; /* File descriptor number. */
int fs_ref_count; /* Reference count. */
off_t fs_offset; /* Seek location. */
void *fs_typedep; /* Type dependent data. */
char *fs_path;
STAILQ_ENTRY(filestat) next;
cap_rights_t fs_cap_rights; /* Capability rights, if flag set. */
};
struct vnstat {
uint64_t vn_fileid;
uint64_t vn_size;
uint64_t vn_dev;
uint64_t vn_fsid;
char *vn_mntdir;
int vn_type;
uint16_t vn_mode;
char vn_devname[SPECNAMELEN + 1];
};
struct ptsstat {
uint64_t dev;
char devname[SPECNAMELEN + 1];
};
struct pipestat {
size_t buffer_cnt;
uint64_t addr;
uint64_t peer;
};
struct semstat {
uint32_t value;
uint16_t mode;
};
struct shmstat {
uint64_t size;
uint16_t mode;
};
struct sockstat {
uint64_t inp_ppcb;
uint64_t so_addr;
uint64_t so_pcb;
uint64_t unp_conn;
int dom_family;
int proto;
int so_rcv_sb_state;
int so_snd_sb_state;
struct sockaddr_storage sa_local; /* Socket address. */
struct sockaddr_storage sa_peer; /* Peer address. */
int type;
char dname[32];
unsigned int sendq;
unsigned int recvq;
};
STAILQ_HEAD(filestat_list, filestat);
__BEGIN_DECLS
void procstat_close(struct procstat *procstat);
void procstat_freeargv(struct procstat *procstat);
#ifndef ZFS
void procstat_freeauxv(struct procstat *procstat, Elf_Auxinfo *auxv);
#endif
void procstat_freeenvv(struct procstat *procstat);
void procstat_freegroups(struct procstat *procstat, gid_t *groups);
void procstat_freekstack(struct procstat *procstat,
struct kinfo_kstack *kkstp);
void procstat_freeprocs(struct procstat *procstat, struct kinfo_proc *p);
void procstat_freefiles(struct procstat *procstat,
struct filestat_list *head);
void procstat_freeptlwpinfo(struct procstat *procstat,
struct ptrace_lwpinfo *pl);
void procstat_freevmmap(struct procstat *procstat,
struct kinfo_vmentry *vmmap);
struct filestat_list *procstat_getfiles(struct procstat *procstat,
struct kinfo_proc *kp, int mmapped);
struct kinfo_proc *procstat_getprocs(struct procstat *procstat,
int what, int arg, unsigned int *count);
int procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
struct pipestat *pipe, char *errbuf);
int procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
struct ptsstat *pts, char *errbuf);
int procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
struct semstat *sem, char *errbuf);
int procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
struct shmstat *shm, char *errbuf);
int procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
struct sockstat *sock, char *errbuf);
int procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
struct vnstat *vn, char *errbuf);
char **procstat_getargv(struct procstat *procstat, struct kinfo_proc *p,
size_t nchr);
#ifndef ZFS
Elf_Auxinfo *procstat_getauxv(struct procstat *procstat,
struct kinfo_proc *kp, unsigned int *cntp);
#endif
struct ptrace_lwpinfo *procstat_getptlwpinfo(struct procstat *procstat,
unsigned int *cntp);
char **procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p,
size_t nchr);
gid_t *procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
unsigned int *count);
struct kinfo_kstack *procstat_getkstack(struct procstat *procstat,
struct kinfo_proc *kp, unsigned int *count);
int procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp,
int *osrelp);
int procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
char *pathname, size_t maxlen);
int procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp,
int which, struct rlimit* rlimit);
int procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
unsigned short* umask);
struct kinfo_vmentry *procstat_getvmmap(struct procstat *procstat,
struct kinfo_proc *kp, unsigned int *count);
struct procstat *procstat_open_core(const char *filename);
struct procstat *procstat_open_sysctl(void);
struct procstat *procstat_open_kvm(const char *nlistf, const char *memf);
__END_DECLS
#endif /* !_LIBPROCSTAT_H_ */
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