Adding upstream version 2.38.1.upstream/2.38.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/include/procfs.h b/include/procfs.h
new file mode 100644
index 0000000..5a730c9
--- /dev/null
+++ b/include/procfs.h
@@ -0,0 +1,63 @@
+/*
+ * 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);
+
+
+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 */