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| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2014-10-30 20:31:48 -0400 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2014-10-30 20:31:48 -0400 |
| commit | 4a0a74179fcfb85c456794fd91fa2ae5d4d3bc8f (patch) | |
| tree | 7aa0256e5790c60df2bd945099550b60bd19435c /src/systemd | |
| parent | e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5 (diff) | |
bus: add sd_bus_errnomap section
This allows custom "name" ↔ errno mappings to be registered.
Tables from all compilation units are concatenated.
Diffstat (limited to 'src/systemd')
| -rw-r--r-- | src/systemd/sd-bus.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h index 18acfc2ad..c95b5e7ab 100644 --- a/src/systemd/sd-bus.h +++ b/src/systemd/sd-bus.h @@ -326,8 +326,21 @@ int sd_bus_creds_get_connection_name(sd_bus_creds *c, const char **name); /* Error structures */ +struct sd_bus_name_error_mapping { + const char* name; + int code; +}; +typedef struct sd_bus_name_error_mapping sd_bus_name_error_mapping; + #define SD_BUS_ERROR_MAKE_CONST(name, message) ((const sd_bus_error) {(name), (message), 0}) #define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE_CONST(NULL, NULL) +#ifndef SD_BUS_ERROR_MAPPING +# define _SD_BUS_ERROR_XCONCAT(x, y) x ## y +# define _SD_BUS_ERROR_CONCAT(x, y) _SD_BUS_ERROR_XCONCAT(x, y) +# define SD_BUS_ERROR_MAPPING \ + __attribute((__section__("sd_bus_errnomap"))) __attribute((__used__)) \ + static const sd_bus_name_error_mapping _SD_BUS_ERROR_CONCAT(_sd_bus_errno_mapping_, __COUNTER__)[] +#endif void sd_bus_error_free(sd_bus_error *e); int sd_bus_error_set(sd_bus_error *e, const char *name, const char *message); |