X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=execute.h;h=d339af93dccba082c1af49da277eb8ab5035c63a;hp=fb952d1e6a5dac5efaa934033b5a9bb4a2bcd1e7;hb=44d8db9e5aa86165c97289f6c78a7e42bac78362;hpb=5cb5a6ffc33667c93e9bc3572534dcaa684046e3 diff --git a/execute.h b/execute.h index fb952d1e6..d339af93d 100644 --- a/execute.h +++ b/execute.h @@ -14,30 +14,32 @@ typedef struct ExecContext ExecContext; #include #include "list.h" +#include "util.h" 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; int oom_adjust; int nice; - char *chdir; + char *directory; + + cap_t capabilities; + bool capabilities_set:1; /* since resolving these names might might involve socket * connections and we don't want to deadlock ourselves these @@ -47,13 +49,44 @@ struct ExecContext { 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 +} 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); #endif