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Diffstat (limited to 'lib/libprocstat/libprocstat.h')
| -rw-r--r-- | lib/libprocstat/libprocstat.h | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/lib/libprocstat/libprocstat.h b/lib/libprocstat/libprocstat.h new file mode 100644 index 000000000000..548747f90171 --- /dev/null +++ b/lib/libprocstat/libprocstat.h @@ -0,0 +1,270 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * 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. + */ + +#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 +/* was 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 +#define PS_FST_TYPE_DEV 14 +#define PS_FST_TYPE_EVENTFD 15 +#define PS_FST_TYPE_INOTIFY 16 + +/* + * 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 + +#if !defined(__ILP32__) && !defined(__riscv) +/* Target architecture supports 32-bit compat */ +#define PS_ARCH_HAS_FREEBSD32 1 +#endif + +struct kinfo_kstack; +struct kinfo_proc; +struct kinfo_vmentry; +struct kinfo_knote; +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 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); + +struct advlock { + int rw; /* PS_ADVLOCK_RO/RW */ + int type; /* PS_ADVLOCK_TYPE_ */ + int pid; + int sysid; + uint64_t file_fsid; + uint64_t file_rdev; + uint64_t file_fileid; + off_t start; + off_t len; /* len == 0 till the EOF */ + const char *path; + STAILQ_ENTRY(advlock) next; +}; + +#define PS_ADVLOCK_RO 0x01 +#define PS_ADVLOCK_RW 0x02 + +#define PS_ADVLOCK_TYPE_FLOCK 0x01 +#define PS_ADVLOCK_TYPE_PID 0x02 +#define PS_ADVLOCK_TYPE_REMOTE 0x03 + +STAILQ_HEAD(advlock_list, advlock); + +__BEGIN_DECLS +void procstat_close(struct procstat *procstat); +void procstat_freeadvlock(struct procstat *procstat, + struct advlock_list *advlocks); +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_freekqinfo(struct procstat *procstat, struct kinfo_knote *kni); +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_freerlimitusage(struct procstat *procstat, rlim_t *resusage); +void procstat_freevmmap(struct procstat *procstat, + struct kinfo_vmentry *vmmap); +struct advlock_list *procstat_getadvlock(struct procstat *procstat); +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); +struct kinfo_knote *procstat_get_kqueue_info(struct procstat *procstat, + struct kinfo_proc *kp, int kqfd, unsigned int *count, char *errbuf); +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); +rlim_t *procstat_getrlimitusage(struct procstat *procstat, + struct kinfo_proc *kp, unsigned int *cntp); +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_ */ |