68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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* No copyright is claimed. This code is in the public domain; do with
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* it what you wish.
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*
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* Copyright (C) 2021 Karel Zak <kzak@redhat.com>
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*/
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#ifndef UTIL_LINUX_PROCFS_H
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#define UTIL_LINUX_PROCFS_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <string.h>
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#include <inttypes.h>
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#include <dirent.h>
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#include "path.h"
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struct procfs_process {
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pid_t pid;
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};
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extern void ul_procfs_init_debug(void);
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extern struct path_cxt *ul_new_procfs_path(pid_t pid, const char *prefix);
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extern int procfs_process_init_path(struct path_cxt *pc, pid_t pid);
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extern int procfs_process_get_uid(struct path_cxt *pc, uid_t *uid);
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extern ssize_t procfs_process_get_cmdline(struct path_cxt *pc, char *buf, size_t bufsz);
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extern ssize_t procfs_process_get_cmdname(struct path_cxt *pc, char *buf, size_t bufsz);
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extern ssize_t procfs_process_get_stat(struct path_cxt *pc, char *buf, size_t bufsz);
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extern int procfs_process_get_stat_nth(struct path_cxt *pc, int n, uintmax_t *re);
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static inline ssize_t procfs_process_get_exe(struct path_cxt *pc, char *buf, size_t bufsz)
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{
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return ul_path_readlink(pc, buf, bufsz, "exe");
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}
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static inline ssize_t procfs_process_get_root(struct path_cxt *pc, char *buf, size_t bufsz)
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{
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return ul_path_readlink(pc, buf, bufsz, "root");
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}
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static inline ssize_t procfs_process_get_cwd(struct path_cxt *pc, char *buf, size_t bufsz)
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{
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return ul_path_readlink(pc, buf, bufsz, "cwd");
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}
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extern int procfs_process_next_tid(struct path_cxt *pc, DIR **sub, pid_t *tid);
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extern int procfs_process_next_fd(struct path_cxt *pc, DIR **sub, int *fd);
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extern int procfs_dirent_is_process(struct dirent *d);
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extern int procfs_dirent_get_pid(struct dirent *d, pid_t *pid);
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extern int procfs_dirent_get_uid(DIR *procfs, struct dirent *d, uid_t *uid);
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extern int procfs_dirent_match_uid(DIR *procfs, struct dirent *d, uid_t uid);
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extern int procfs_dirent_get_name(DIR *procfs, struct dirent *d, char *buf, size_t bufsz);
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extern int procfs_dirent_match_name(DIR *procfs, struct dirent *d, const char *name);
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extern int fd_is_procfs(int fd);
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extern char *pid_get_cmdname(pid_t pid);
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extern char *pid_get_cmdline(pid_t pid);
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#endif /* UTIL_LINUX_PROCFS_H */
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