gems-kernel/source/THIRDPARTY/xnu/libkern/compression/compression.c
2024-06-03 11:29:39 -05:00

35 lines
914 B
C

#include <libkern/libkern.h>
#include <libkern/section_keywords.h>
#include <libkern/compression/compression.h>
#if defined(SECURITY_READ_ONLY_LATE)
SECURITY_READ_ONLY_LATE(const compression_ki_t*) compression_ki_ptr = NULL;
static SECURITY_READ_ONLY_LATE(registration_callback_t) registration_callback = NULL;
#else
const compression_ki_t* compression_ki_ptr = NULL;
static registration_callback_t registration_callback = NULL;
#endif
void
compression_interface_register(const compression_ki_t *ki)
{
if (compression_ki_ptr) {
panic("compression interface already set");
}
compression_ki_ptr = ki;
if (registration_callback) {
registration_callback();
}
}
void
compression_interface_set_registration_callback(registration_callback_t callback)
{
if (callback && registration_callback) {
panic("compression interface registration callback is already set");
}
registration_callback = callback;
}