vtest/vtest_shm.h

#ifndef VTEST_SHM_H
#define VTEST_SHM_H

#ifndef F_LINUX_SPECIFIC_BASE
#define F_LINUX_SPECIFIC_BASE 1024
#endif

#ifndef F_ADD_SEALS
#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)

#define F_SEAL_SEAL     0x0001  /* prevent further seals from being set */
#define F_SEAL_SHRINK   0x0002  /* prevent file from shrinking */
#define F_SEAL_GROW     0x0004  /* prevent file from growing */
#define F_SEAL_WRITE    0x0008  /* prevent writes */
#endif

#ifndef MFD_CLOEXEC
#define MFD_CLOEXEC 0x0001U
#endif

#ifndef MFD_ALLOW_SEALING
#define MFD_ALLOW_SEALING 0x0002U
#endif

#ifndef MFD_HUGETLB
#define MFD_HUGETLB 0x0004U
#endif

#ifndef MFD_HUGE_SHIFT
#define MFD_HUGE_SHIFT 26
#endif

#include <stdint.h>
#include <string.h>

int vtest_new_shm(uint32_t handle, size_t size);
int vtest_shm_check(void);

#endif /* VTEST_MEMFD_H */