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libsystemd-bus: kernel: add sd_bus_kernel_translate_request_name_flags

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Flags used to request a name from kdbus are not identical to what DBus
and sd_bus use internally. Introduce a simple function to do the
translation for us. It's factored out to a separate function so the
dbus-driver instance can make use of it as well.
This commit is contained in:
Daniel Mack 2013-11-26 16:45:50 +01:00
parent b6bd53c1ee
commit 0253ddccbb
2 changed files with 20 additions and 0 deletions
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18
src/libsystemd-bus/bus-kernel.c
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@ -806,3 +806,21 @@ void bus_kernel_flush_memfd(sd_bus *b) {
for (i = 0; i < b->n_memfd_cache; i++)
close_and_munmap(b->memfd_cache[i].fd, b->memfd_cache[i].address, b->memfd_cache[i].size);
}
int sd_bus_kernel_translate_request_name_flags(uint64_t sd_bus_flags, uint64_t *kdbus_flags) {
assert_return(kdbus_flags != NULL, -EINVAL);
*kdbus_flags = 0;
if (sd_bus_flags & SD_BUS_NAME_ALLOW_REPLACEMENT)
*kdbus_flags |= KDBUS_NAME_ALLOW_REPLACEMENT;
if (sd_bus_flags & SD_BUS_NAME_REPLACE_EXISTING)
*kdbus_flags |= KDBUS_NAME_REPLACE_EXISTING;
if (!(sd_bus_flags & SD_BUS_NAME_DO_NOT_QUEUE))
*kdbus_flags |= KDBUS_NAME_QUEUE;
return 0;
}

2
src/libsystemd-bus/bus-kernel.h
View File

@ -68,3 +68,5 @@ void bus_kernel_push_memfd(sd_bus *bus, int fd, void *address, size_t size);
void bus_kernel_flush_memfd(sd_bus *bus);
int bus_kernel_parse_unique_name(const char *s, uint64_t *id);
int sd_bus_kernel_translate_request_name_flags(uint64_t sd_bus_flags, uint64_t *kdbus_flags);