#include "file_utils.h"
#include "initutils.h"
#include "macro.h"
+#include "raw_syscalls.h"
#include "string_utils.h"
-#ifdef HAVE_LINUX_MEMFD_H
-#include <linux/memfd.h>
-#endif
-
/* returns 1 on success, 0 if there were any failures */
extern int lxc_rmdir_onedev(const char *path, const char *exclude);
extern int get_u16(unsigned short *val, const char *arg, int base);
#endif
#endif
-#if !defined(__NR_setns) && !defined(__NR_set_ns)
- #if defined(__x86_64__)
- #define __NR_setns 308
- #elif defined(__i386__)
- #define __NR_setns 346
- #elif defined(__arm__)
- #define __NR_setns 375
- #elif defined(__aarch64__)
- #define __NR_setns 375
- #elif defined(__powerpc__)
- #define __NR_setns 350
- #elif defined(__s390__)
- #define __NR_setns 339
- #endif
-#endif
-
-/* Define setns() if missing from the C library */
-#ifndef HAVE_SETNS
-static inline int setns(int fd, int nstype)
-{
-#ifdef __NR_setns
- return syscall(__NR_setns, fd, nstype);
-#elif defined(__NR_set_ns)
- return syscall(__NR_set_ns, fd, nstype);
-#else
- errno = ENOSYS;
- return -1;
-#endif
-}
-#endif
-
-/* Define sethostname() if missing from the C library */
-#ifndef HAVE_SETHOSTNAME
-static inline int sethostname(const char *name, size_t len)
-{
-#ifdef __NR_sethostname
-return syscall(__NR_sethostname, name, len);
-#else
-errno = ENOSYS;
-return -1;
-#endif
-}
-#endif
-
-/* Define unshare() if missing from the C library */
-#ifndef HAVE_UNSHARE
-static inline int unshare(int flags)
-{
-#ifdef __NR_unshare
- return syscall(__NR_unshare, flags);
-#else
- errno = ENOSYS;
- return -1;
-#endif
-}
-#else
-extern int unshare(int);
-#endif
-
-/* Define signalfd() if missing from the C library */
-#ifdef HAVE_SYS_SIGNALFD_H
-# include <sys/signalfd.h>
-#else
-/* assume kernel headers are too old */
-#include <stdint.h>
-struct signalfd_siginfo
-{
- uint32_t ssi_signo;
- int32_t ssi_errno;
- int32_t ssi_code;
- uint32_t ssi_pid;
- uint32_t ssi_uid;
- int32_t ssi_fd;
- uint32_t ssi_tid;
- uint32_t ssi_band;
- uint32_t ssi_overrun;
- uint32_t ssi_trapno;
- int32_t ssi_status;
- int32_t ssi_int;
- uint64_t ssi_ptr;
- uint64_t ssi_utime;
- uint64_t ssi_stime;
- uint64_t ssi_addr;
- uint8_t __pad[48];
-};
-
-# ifndef __NR_signalfd4
-/* assume kernel headers are too old */
-# if __i386__
-# define __NR_signalfd4 327
-# elif __x86_64__
-# define __NR_signalfd4 289
-# elif __powerpc__
-# define __NR_signalfd4 313
-# elif __s390x__
-# define __NR_signalfd4 322
-# elif __arm__
-# define __NR_signalfd4 355
-# elif __mips__ && _MIPS_SIM == _ABIO32
-# define __NR_signalfd4 4324
-# elif __mips__ && _MIPS_SIM == _ABI64
-# define __NR_signalfd4 5283
-# elif __mips__ && _MIPS_SIM == _ABIN32
-# define __NR_signalfd4 6287
-# endif
-#endif
-
-# ifndef __NR_signalfd
-/* assume kernel headers are too old */
-# if __i386__
-# define __NR_signalfd 321
-# elif __x86_64__
-# define __NR_signalfd 282
-# elif __powerpc__
-# define __NR_signalfd 305
-# elif __s390x__
-# define __NR_signalfd 316
-# elif __arm__
-# define __NR_signalfd 349
-# elif __mips__ && _MIPS_SIM == _ABIO32
-# define __NR_signalfd 4317
-# elif __mips__ && _MIPS_SIM == _ABI64
-# define __NR_signalfd 5276
-# elif __mips__ && _MIPS_SIM == _ABIN32
-# define __NR_signalfd 6280
-# endif
-#endif
-
-static inline int signalfd(int fd, const sigset_t *mask, int flags)
-{
- int retval;
-
- retval = syscall (__NR_signalfd4, fd, mask, _NSIG / 8, flags);
- if (errno == ENOSYS && flags == 0)
- retval = syscall (__NR_signalfd, fd, mask, _NSIG / 8);
- return retval;
-}
-#endif
-
-#ifndef HAVE_MEMFD_CREATE
-static inline int memfd_create(const char *name, unsigned int flags) {
- #ifndef __NR_memfd_create
- #if defined __i386__
- #define __NR_memfd_create 356
- #elif defined __x86_64__
- #define __NR_memfd_create 319
- #elif defined __arm__
- #define __NR_memfd_create 385
- #elif defined __aarch64__
- #define __NR_memfd_create 279
- #elif defined __s390__
- #define __NR_memfd_create 350
- #elif defined __powerpc__
- #define __NR_memfd_create 360
- #elif defined __sparc__
- #define __NR_memfd_create 348
- #elif defined __blackfin__
- #define __NR_memfd_create 390
- #elif defined __ia64__
- #define __NR_memfd_create 1340
- #elif defined _MIPS_SIM
- #if _MIPS_SIM == _MIPS_SIM_ABI32
- #define __NR_memfd_create 4354
- #endif
- #if _MIPS_SIM == _MIPS_SIM_NABI32
- #define __NR_memfd_create 6318
- #endif
- #if _MIPS_SIM == _MIPS_SIM_ABI64
- #define __NR_memfd_create 5314
- #endif
- #endif
- #endif
- #ifdef __NR_memfd_create
- return syscall(__NR_memfd_create, name, flags);
- #else
- errno = ENOSYS;
- return -1;
- #endif
-}
-#else
-extern int memfd_create(const char *name, unsigned int flags);
-#endif
-
static inline int lxc_set_cloexec(int fd)
{
return fcntl(fd, F_SETFD, FD_CLOEXEC);
/* return copy of string @entry; do not fail. */
extern char *must_copy_string(const char *entry);
-/* Re-alllocate a pointer, do not fail */
+/* Re-allocate a pointer, do not fail */
extern void *must_realloc(void *orig, size_t sz);
extern bool lxc_nic_exists(char *nic);
*/
extern uint64_t lxc_find_next_power2(uint64_t n);
-static inline pid_t lxc_raw_gettid(void)
-{
-#ifdef SYS_gettid
- return syscall(SYS_gettid);
-#else
- return lxc_raw_getpid();
-#endif
-}
-
/* Set a signal the child process will receive after the parent has died. */
-extern int lxc_set_death_signal(int signal);
+extern int lxc_set_death_signal(int signal, pid_t parent);
extern int fd_cloexec(int fd, bool cloexec);
extern int recursive_destroy(char *dirname);
+extern int lxc_setup_keyring(void);
#endif /* __LXC_UTILS_H */
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