client: add a very basic Vala command line tool

[elogind.git] / execute.h

diff --git a/execute.h b/execute.h
index fb952d1e6a5dac5efaa934033b5a9bb4a2bcd1e7..4f700efd4623c3ddd9f1d7e5e895979d33944d3f 100644 (file)
--- a/execute.h
+++ b/execute.h
@@ -12,48 +12,139 @@ typedef struct ExecContext ExecContext;
 #include <sys/capability.h>
 #include <stdbool.h>
 #include <stdio.h>
+#include <sched.h>
 
 #include "list.h"
+#include "util.h"
+
+/* Abstract namespace! */
+#define LOGGER_SOCKET "/org/freedesktop.org/systemd1/logger"
+
+typedef enum ExecOutput {
+        EXEC_OUTPUT_CONSOLE,
+        EXEC_OUTPUT_NULL,
+        EXEC_OUTPUT_SYSLOG,
+        EXEC_OUTPUT_KERNEL,
+        _EXEC_OUTPUT_MAX,
+        _EXEC_OUTPUT_INVALID = -1
+} ExecOutput;
+
+typedef enum ExecInput {
+        EXEC_INPUT_NULL,
+        EXEC_INPUT_CONSOLE,
+        _EXEC_INPUT_MAX,
+        _EXEC_INPUT_INVALID = -1
+} ExecInput;
 
 struct ExecStatus {
         pid_t pid;
-        time_t timestamp;
-        int status; /* as in wait() */
+        usec_t timestamp;
+        int code;     /* as in siginfo_t::si_code */
+        int status;   /* as in sigingo_t::si_status */
 };
 
 struct ExecCommand {
         char *path;
         char **argv;
-        ExecStatus last_exec_status;
-        LIST_FIELDS(ExecCommand);
+        ExecStatus exec_status;
+        LIST_FIELDS(ExecCommand, command); /* useful for chaining commands */
 };
 
 struct ExecContext {
         char **environment;
         mode_t umask;
         struct rlimit *rlimit[RLIMIT_NLIMITS];
-        cap_t capabilities;
-        bool capabilities_set:1;
-        bool dumpable:1;
+        char *working_directory, *root_directory;
         int oom_adjust;
         int nice;
-        char *chdir;
+        int ioprio;
+        int cpu_sched_policy;
+        int cpu_sched_priority;
+        cpu_set_t cpu_affinity;
+        unsigned long timer_slack_ns;
 
-        /* since resolving these names might might involve socket
+        bool oom_adjust_set:1;
+        bool nice_set:1;
+        bool ioprio_set:1;
+        bool cpu_sched_set:1;
+        bool cpu_affinity_set:1;
+        bool timer_slack_ns_set:1;
+
+        bool cpu_sched_reset_on_fork;
+
+        ExecInput input;
+        ExecOutput output;
+        int syslog_priority;
+        char *syslog_identifier;
+
+        /* FIXME: all privs related settings need to be enforced */
+        cap_t capabilities;
+        int secure_bits;
+        uint64_t capability_bounding_set_drop;
+
+        /* Since resolving these names might might involve socket
          * connections and we don't want to deadlock ourselves these
-         * names are resolved on execution only. */
+         * names are resolved on execution only and in the child
+         * process. */
         char *user;
         char *group;
         char **supplementary_groups;
 };
 
-int exec_spawn(const ExecCommand *command, const ExecContext *context, pid_t *ret);
+typedef enum ExitStatus {
+        /* EXIT_SUCCESS defined by libc */
+        /* EXIT_FAILURE defined by libc */
+        EXIT_INVALIDARGUMENT = 2,
+        EXIT_NOTIMPLEMENTED = 3,
+        EXIT_NOPERMISSION = 4,
+        EXIT_NOTINSTALLED = 5,
+        EXIT_NOTCONFIGURED = 6,
+        EXIT_NOTRUNNING = 7,
+
+        /* The LSB suggests that error codes >= 200 are "reserved". We
+         * use them here under the assumption that they hence are
+         * unused by init scripts.
+         *
+         * http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html */
+
+        EXIT_CHDIR = 200,
+        EXIT_NICE,
+        EXIT_FDS,
+        EXIT_EXEC,
+        EXIT_MEMORY,
+        EXIT_LIMITS,
+        EXIT_OOM_ADJUST,
+        EXIT_SIGNAL_MASK,
+        EXIT_INPUT,
+        EXIT_OUTPUT,
+        EXIT_CHROOT,
+        EXIT_PGID,
+        EXIT_IOPRIO,
+        EXIT_TIMERSLACK,
+        EXIT_SECUREBITS,
+        EXIT_SETSCHEDULER,
+        EXIT_CPUAFFINITY
+} ExitStatus;
+
+int exec_spawn(const ExecCommand *command, const ExecContext *context, int *fds, unsigned n_fds, pid_t *ret);
 
-void exec_context_free(ExecContext *c);
 void exec_command_free_list(ExecCommand *c);
+void exec_command_free_array(ExecCommand **c, unsigned n);
 
+char *exec_command_line(ExecCommand *c);
+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_context_init(ExecContext *c);
+void exec_context_done(ExecContext *c);
 void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
 
-void exec_context_defaults(ExecContext *c);
+void exec_status_fill(ExecStatus *s, pid_t pid, int code, int status);
+
+const char* exec_output_to_string(ExecOutput i);
+int exec_output_from_string(const char *s);
+
+const char* exec_input_to_string(ExecInput i);
+int exec_input_from_string(const char *s);
 
 #endif