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89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*-*- Mode: C; c-basic-offset: 8 -*-*/
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#ifndef fooexecutehfoo
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#define fooexecutehfoo
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typedef struct ExecStatus ExecStatus;
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typedef struct ExecCommand ExecCommand;
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typedef struct ExecContext ExecContext;
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/capability.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include "list.h"
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#include "util.h"
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struct ExecStatus {
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pid_t pid;
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usec_t timestamp;
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int code; /* as in siginfo_t::si_code */
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int status; /* as in sigingo_t::si_status */
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};
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struct ExecCommand {
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char *path;
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char **argv;
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ExecStatus exec_status;
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LIST_FIELDS(ExecCommand, command); /* useful for chaining commands */
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};
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struct ExecContext {
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char **environment;
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mode_t umask;
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struct rlimit *rlimit[RLIMIT_NLIMITS];
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int oom_adjust;
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int nice;
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char *directory;
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cap_t capabilities;
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bool capabilities_set:1;
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/* since resolving these names might might involve socket
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* connections and we don't want to deadlock ourselves these
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* names are resolved on execution only. */
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char *user;
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char *group;
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char **supplementary_groups;
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};
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typedef enum ExitStatus {
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/* EXIT_SUCCESS defined by libc */
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/* EXIT_FAILURE defined by libc */
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EXIT_INVALIDARGUMENT = 2,
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EXIT_NOTIMPLEMENTED = 3,
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EXIT_NOPERMISSION = 4,
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EXIT_NOTINSTALLED = 5,
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EXIT_NOTCONFIGURED = 6,
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EXIT_NOTRUNNING = 7,
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/* The LSB suggests that error codes >= 200 are "reserved". We
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* use them here under the assumption that they hence are
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* unused by init scripts.
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*
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* http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html */
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EXIT_CHDIR = 200,
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EXIT_NICE,
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EXIT_FDS,
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EXIT_EXEC,
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EXIT_MEMORY,
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EXIT_LIMITS,
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EXIT_OOM_ADJUST
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} ExitStatus;
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int exec_spawn(const ExecCommand *command, const ExecContext *context, int *fds, unsigned n_fds, pid_t *ret);
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void exec_command_free_list(ExecCommand *c);
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void exec_command_free_array(ExecCommand **c, unsigned n);
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void exec_context_init(ExecContext *c);
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void exec_context_done(ExecContext *c);
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void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
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void exec_status_fill(ExecStatus *s, pid_t pid, int code, int status);
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#endif
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