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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 19:10:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 19:10:49 +0000 |
commit | cfe5e3905201349e9cf3f95d52ff4bd100bde37d (patch) | |
tree | d0baf160cbee3195249d095f85e52d20c21acf02 /include/procfs.h | |
parent | Initial commit. (diff) | |
download | util-linux-cfe5e3905201349e9cf3f95d52ff4bd100bde37d.tar.xz util-linux-cfe5e3905201349e9cf3f95d52ff4bd100bde37d.zip |
Adding upstream version 2.39.3.upstream/2.39.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/procfs.h')
-rw-r--r-- | include/procfs.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/include/procfs.h b/include/procfs.h new file mode 100644 index 0000000..25be513 --- /dev/null +++ b/include/procfs.h @@ -0,0 +1,67 @@ +/* + * No copyright is claimed. This code is in the public domain; do with + * it what you wish. + * + * Copyright (C) 2021 Karel Zak <kzak@redhat.com> + */ +#ifndef UTIL_LINUX_PROCFS_H +#define UTIL_LINUX_PROCFS_H + + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <stdint.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <string.h> +#include <inttypes.h> +#include <dirent.h> + +#include "path.h" + +struct procfs_process { + pid_t pid; +}; + +extern void ul_procfs_init_debug(void); +extern struct path_cxt *ul_new_procfs_path(pid_t pid, const char *prefix); +extern int procfs_process_init_path(struct path_cxt *pc, pid_t pid); + +extern int procfs_process_get_uid(struct path_cxt *pc, uid_t *uid); +extern ssize_t procfs_process_get_cmdline(struct path_cxt *pc, char *buf, size_t bufsz); +extern ssize_t procfs_process_get_cmdname(struct path_cxt *pc, char *buf, size_t bufsz); +extern ssize_t procfs_process_get_stat(struct path_cxt *pc, char *buf, size_t bufsz); + +extern int procfs_process_get_stat_nth(struct path_cxt *pc, int n, uintmax_t *re); + +static inline ssize_t procfs_process_get_exe(struct path_cxt *pc, char *buf, size_t bufsz) +{ + return ul_path_readlink(pc, buf, bufsz, "exe"); +} + +static inline ssize_t procfs_process_get_root(struct path_cxt *pc, char *buf, size_t bufsz) +{ + return ul_path_readlink(pc, buf, bufsz, "root"); +} + +static inline ssize_t procfs_process_get_cwd(struct path_cxt *pc, char *buf, size_t bufsz) +{ + return ul_path_readlink(pc, buf, bufsz, "cwd"); +} + +extern int procfs_process_next_tid(struct path_cxt *pc, DIR **sub, pid_t *tid); +extern int procfs_process_next_fd(struct path_cxt *pc, DIR **sub, int *fd); + +extern int procfs_dirent_is_process(struct dirent *d); +extern int procfs_dirent_get_pid(struct dirent *d, pid_t *pid); +extern int procfs_dirent_get_uid(DIR *procfs, struct dirent *d, uid_t *uid); +extern int procfs_dirent_match_uid(DIR *procfs, struct dirent *d, uid_t uid); +extern int procfs_dirent_get_name(DIR *procfs, struct dirent *d, char *buf, size_t bufsz); +extern int procfs_dirent_match_name(DIR *procfs, struct dirent *d, const char *name); + +extern int fd_is_procfs(int fd); +extern char *pid_get_cmdname(pid_t pid); +extern char *pid_get_cmdline(pid_t pid); + +#endif /* UTIL_LINUX_PROCFS_H */ |