1 files changed, 105 insertions, 0 deletions
diff --git a/src/libbasic/process-util.h b/src/libbasic/process-util.h
new file mode 100644
index 0000000000..9f75088796
--- /dev/null
+++ b/src/libbasic/process-util.h
@@ -0,0 +1,105 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <alloca.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "formats-util.h"
+#include "macro.h"
+
+#define procfs_file_alloca(pid, field)                                  \
+        ({                                                              \
+                pid_t _pid_ = (pid);                                    \
+                const char *_r_;                                        \
+                if (_pid_ == 0) {                                       \
+                        _r_ = ("/proc/self/" field);                    \
+                } else {                                                \
+                        _r_ = alloca(strlen("/proc/") + DECIMAL_STR_MAX(pid_t) + 1 + sizeof(field)); \
+                        sprintf((char*) _r_, "/proc/"PID_FMT"/" field, _pid_);                       \
+                }                                                       \
+                _r_;                                                    \
+        })
+
+int get_process_state(pid_t pid);
+int get_process_comm(pid_t pid, char **name);
+int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line);
+int get_process_exe(pid_t pid, char **name);
+int get_process_uid(pid_t pid, uid_t *uid);
+int get_process_gid(pid_t pid, gid_t *gid);
+int get_process_capeff(pid_t pid, char **capeff);
+int get_process_cwd(pid_t pid, char **cwd);
+int get_process_root(pid_t pid, char **root);
+int get_process_environ(pid_t pid, char **environ);
+int get_process_ppid(pid_t pid, pid_t *ppid);
+
+int wait_for_terminate(pid_t pid, siginfo_t *status);
+int wait_for_terminate_and_warn(const char *name, pid_t pid, bool check_exit_code);
+
+void sigkill_wait(pid_t pid);
+void sigkill_waitp(pid_t *pid);
+
+int kill_and_sigcont(pid_t pid, int sig);
+
+void rename_process(const char name[8]);
+int is_kernel_thread(pid_t pid);
+
+int getenv_for_pid(pid_t pid, const char *field, char **_value);
+
+bool pid_is_alive(pid_t pid);
+bool pid_is_unwaited(pid_t pid);
+int pid_from_same_root_fs(pid_t pid);
+
+bool is_main_thread(void);
+
+noreturn void freeze(void);
+
+bool oom_score_adjust_is_valid(int oa);
+
+#ifndef PERSONALITY_INVALID
+/* personality(7) documents that 0xffffffffUL is used for querying the
+ * current personality, hence let's use that here as error
+ * indicator. */
+#define PERSONALITY_INVALID 0xffffffffLU
+#endif
+
+unsigned long personality_from_string(const char *p);
+const char *personality_to_string(unsigned long);
+
+int ioprio_class_to_string_alloc(int i, char **s);
+int ioprio_class_from_string(const char *s);
+
+const char *sigchld_code_to_string(int i) _const_;
+int sigchld_code_from_string(const char *s) _pure_;
+
+int sched_policy_to_string_alloc(int i, char **s);
+int sched_policy_from_string(const char *s);
+
+#define PTR_TO_PID(p) ((pid_t) ((uintptr_t) p))
+#define PID_TO_PTR(p) ((void*) ((uintptr_t) p))
+
+void valgrind_summary_hack(void);
+
+int pid_compare_func(const void *a, const void *b);