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authorRonny Chevalier <chevalier.ronny@gmail.com>2015-04-10 19:10:00 +0200
committerRonny Chevalier <chevalier.ronny@gmail.com>2015-04-10 23:54:49 +0200
commit0b452006de98294d1690f045f6ea2f7f6630ec3b (patch)
tree852bde2d8fd7dac434636bd25a276b5cf0eece9f /src/shared/process-util.h
parent6482f6269c87d2249e52e889a63adbdd50f2d691 (diff)
shared: add process-util.[ch]
Diffstat (limited to 'src/shared/process-util.h')
-rw-r--r--src/shared/process-util.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/shared/process-util.h b/src/shared/process-util.h
new file mode 100644
index 0000000000..07431d043b
--- /dev/null
+++ b/src/shared/process-util.h
@@ -0,0 +1,65 @@
+#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 <stdbool.h>
+#include <sys/types.h>
+#include <alloca.h>
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+
+#include "formats-util.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 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);
+
+int kill_and_sigcont(pid_t pid, int sig);
+pid_t get_parent_of_pid(pid_t pid, pid_t *ppid);
+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);