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authorKay Sievers <kay@vrfy.org>2012-04-11 12:59:52 +0200
committerKay Sievers <kay@vrfy.org>2012-04-11 16:03:51 +0200
commitb30e2f4c18ad81b04e4314fd191a5d458553773c (patch)
treede15b901a08d681a7a1e95c7a2d692b0ec181708 /src/core/execute.h
parent9543ad166338a7bef8718070f11465df4b9badd7 (diff)
move libsystemd_core.la sources into core/
Diffstat (limited to 'src/core/execute.h')
-rw-r--r--src/core/execute.h233
1 files changed, 233 insertions, 0 deletions
diff --git a/src/core/execute.h b/src/core/execute.h
new file mode 100644
index 0000000000..0d7e7dd65d
--- /dev/null
+++ b/src/core/execute.h
@@ -0,0 +1,233 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#ifndef fooexecutehfoo
+#define fooexecutehfoo
+
+/***
+ 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 General Public License as published by
+ the Free Software Foundation; either version 2 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+typedef struct ExecStatus ExecStatus;
+typedef struct ExecCommand ExecCommand;
+typedef struct ExecContext ExecContext;
+
+#include <linux/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/capability.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <sched.h>
+
+struct CGroupBonding;
+struct CGroupAttribute;
+
+#include "list.h"
+#include "util.h"
+
+typedef enum KillMode {
+ KILL_CONTROL_GROUP = 0,
+ KILL_PROCESS,
+ KILL_NONE,
+ _KILL_MODE_MAX,
+ _KILL_MODE_INVALID = -1
+} KillMode;
+
+typedef enum KillWho {
+ KILL_MAIN,
+ KILL_CONTROL,
+ KILL_ALL,
+ _KILL_WHO_MAX,
+ _KILL_WHO_INVALID = -1
+} KillWho;
+
+typedef enum ExecInput {
+ EXEC_INPUT_NULL,
+ EXEC_INPUT_TTY,
+ EXEC_INPUT_TTY_FORCE,
+ EXEC_INPUT_TTY_FAIL,
+ EXEC_INPUT_SOCKET,
+ _EXEC_INPUT_MAX,
+ _EXEC_INPUT_INVALID = -1
+} ExecInput;
+
+typedef enum ExecOutput {
+ EXEC_OUTPUT_INHERIT,
+ EXEC_OUTPUT_NULL,
+ EXEC_OUTPUT_TTY,
+ EXEC_OUTPUT_SYSLOG,
+ EXEC_OUTPUT_SYSLOG_AND_CONSOLE,
+ EXEC_OUTPUT_KMSG,
+ EXEC_OUTPUT_KMSG_AND_CONSOLE,
+ EXEC_OUTPUT_JOURNAL,
+ EXEC_OUTPUT_JOURNAL_AND_CONSOLE,
+ EXEC_OUTPUT_SOCKET,
+ _EXEC_OUTPUT_MAX,
+ _EXEC_OUTPUT_INVALID = -1
+} ExecOutput;
+
+struct ExecStatus {
+ dual_timestamp start_timestamp;
+ dual_timestamp exit_timestamp;
+ pid_t pid;
+ int code; /* as in siginfo_t::si_code */
+ int status; /* as in sigingo_t::si_status */
+};
+
+struct ExecCommand {
+ char *path;
+ char **argv;
+ ExecStatus exec_status;
+ LIST_FIELDS(ExecCommand, command); /* useful for chaining commands */
+ bool ignore;
+};
+
+struct ExecContext {
+ char **environment;
+ char **environment_files;
+
+ struct rlimit *rlimit[RLIMIT_NLIMITS];
+ char *working_directory, *root_directory;
+
+ mode_t umask;
+ int oom_score_adjust;
+ int nice;
+ int ioprio;
+ int cpu_sched_policy;
+ int cpu_sched_priority;
+
+ cpu_set_t *cpuset;
+ unsigned cpuset_ncpus;
+
+ ExecInput std_input;
+ ExecOutput std_output;
+ ExecOutput std_error;
+
+ unsigned long timer_slack_nsec;
+
+ char *tcpwrap_name;
+
+ char *tty_path;
+
+ bool tty_reset;
+ bool tty_vhangup;
+ bool tty_vt_disallocate;
+
+ bool ignore_sigpipe;
+
+ /* Since resolving these names might might involve socket
+ * connections and we don't want to deadlock ourselves these
+ * names are resolved on execution only and in the child
+ * process. */
+ char *user;
+ char *group;
+ char **supplementary_groups;
+
+ char *pam_name;
+
+ char *utmp_id;
+
+ char **read_write_dirs, **read_only_dirs, **inaccessible_dirs;
+ unsigned long mount_flags;
+
+ uint64_t capability_bounding_set_drop;
+
+ /* Not relevant for spawning processes, just for killing */
+ KillMode kill_mode;
+ int kill_signal;
+ bool send_sigkill;
+
+ cap_t capabilities;
+ int secure_bits;
+
+ int syslog_priority;
+ char *syslog_identifier;
+ bool syslog_level_prefix;
+
+ bool cpu_sched_reset_on_fork;
+ bool non_blocking;
+ bool private_tmp;
+ bool private_network;
+
+ bool control_group_modify;
+ int control_group_persistent;
+
+ /* This is not exposed to the user but available
+ * internally. We need it to make sure that whenever we spawn
+ * /bin/mount it is run in the same process group as us so
+ * that the autofs logic detects that it belongs to us and we
+ * don't enter a trigger loop. */
+ bool same_pgrp;
+
+ bool oom_score_adjust_set:1;
+ bool nice_set:1;
+ bool ioprio_set:1;
+ bool cpu_sched_set:1;
+ bool timer_slack_nsec_set:1;
+};
+
+int exec_spawn(ExecCommand *command,
+ char **argv,
+ const ExecContext *context,
+ int fds[], unsigned n_fds,
+ char **environment,
+ bool apply_permissions,
+ bool apply_chroot,
+ bool apply_tty_stdin,
+ bool confirm_spawn,
+ struct CGroupBonding *cgroup_bondings,
+ struct CGroupAttribute *cgroup_attributes,
+ pid_t *ret);
+
+void exec_command_done(ExecCommand *c);
+void exec_command_done_array(ExecCommand *c, unsigned n);
+
+void exec_command_free_list(ExecCommand *c);
+void exec_command_free_array(ExecCommand **c, unsigned n);
+
+char *exec_command_line(char **argv);
+
+void exec_command_dump(ExecCommand *c, FILE *f, const char *prefix);
+void exec_command_dump_list(ExecCommand *c, FILE *f, const char *prefix);
+void exec_command_append_list(ExecCommand **l, ExecCommand *e);
+int exec_command_set(ExecCommand *c, const char *path, ...);
+
+void exec_context_init(ExecContext *c);
+void exec_context_done(ExecContext *c);
+void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
+void exec_context_tty_reset(const ExecContext *context);
+
+int exec_context_load_environment(const ExecContext *c, char ***l);
+
+void exec_status_start(ExecStatus *s, pid_t pid);
+void exec_status_exit(ExecStatus *s, ExecContext *context, pid_t pid, int code, int status);
+void exec_status_dump(ExecStatus *s, FILE *f, const char *prefix);
+
+const char* exec_output_to_string(ExecOutput i);
+ExecOutput exec_output_from_string(const char *s);
+
+const char* exec_input_to_string(ExecInput i);
+ExecInput exec_input_from_string(const char *s);
+
+const char *kill_mode_to_string(KillMode k);
+KillMode kill_mode_from_string(const char *s);
+
+const char *kill_who_to_string(KillWho k);
+KillWho kill_who_from_string(const char *s);
+
+#endif