diff options
| -rw-r--r-- | src/basic/missing_syscall.h | 55 |
1 files changed, 40 insertions, 15 deletions
diff --git a/src/basic/missing_syscall.h b/src/basic/missing_syscall.h index e6fd67cb9d..3195c38a63 100644 --- a/src/basic/missing_syscall.h +++ b/src/basic/missing_syscall.h @@ -23,9 +23,11 @@ /* Missing glibc definitions to access certain kernel APIs */ #if !HAVE_DECL_PIVOT_ROOT -static inline int pivot_root(const char *new_root, const char *put_old) { +static inline int missing_pivot_root(const char *new_root, const char *put_old) { return syscall(SYS_pivot_root, new_root, put_old); } + +# define pivot_root missing_pivot_root #endif /* ======================================================================= */ @@ -57,7 +59,7 @@ static inline int pivot_root(const char *new_root, const char *put_old) { # endif # endif -static inline int memfd_create(const char *name, unsigned int flags) { +static inline int missing_memfd_create(const char *name, unsigned int flags) { # ifdef __NR_memfd_create return syscall(__NR_memfd_create, name, flags); # else @@ -65,6 +67,8 @@ static inline int memfd_create(const char *name, unsigned int flags) { return -1; # endif } + +# define memfd_create missing_memfd_create #endif /* ======================================================================= */ @@ -102,7 +106,7 @@ static inline int memfd_create(const char *name, unsigned int flags) { # endif # endif -static inline int getrandom(void *buffer, size_t count, unsigned flags) { +static inline int missing_getrandom(void *buffer, size_t count, unsigned flags) { # ifdef __NR_getrandom return syscall(__NR_getrandom, buffer, count, flags); # else @@ -110,14 +114,18 @@ static inline int getrandom(void *buffer, size_t count, unsigned flags) { return -1; # endif } + +# define getrandom missing_getrandom #endif /* ======================================================================= */ #if !HAVE_DECL_GETTID -static inline pid_t gettid(void) { +static inline pid_t missing_gettid(void) { return (pid_t) syscall(SYS_gettid); } + +# define gettid missing_gettid #endif /* ======================================================================= */ @@ -143,7 +151,7 @@ struct file_handle { unsigned char f_handle[0]; }; -static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) { +static inline int missing_name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) { # ifdef __NR_name_to_handle_at return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags); # else @@ -151,6 +159,8 @@ static inline int name_to_handle_at(int fd, const char *name, struct file_handle return -1; # endif } + +# define name_to_handle_at missing_name_to_handle_at #endif /* ======================================================================= */ @@ -166,7 +176,7 @@ static inline int name_to_handle_at(int fd, const char *name, struct file_handle # endif # endif -static inline int setns(int fd, int nstype) { +static inline int missing_setns(int fd, int nstype) { # ifdef __NR_setns return syscall(__NR_setns, fd, nstype); # else @@ -174,6 +184,8 @@ static inline int setns(int fd, int nstype) { return -1; # endif } + +# define setns missing_setns #endif /* ======================================================================= */ @@ -211,7 +223,7 @@ static inline pid_t raw_getpid(void) { # endif # endif -static inline int renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) { +static inline int missing_renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) { # ifdef __NR_renameat2 return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags); # else @@ -219,12 +231,14 @@ static inline int renameat2(int oldfd, const char *oldname, int newfd, const cha return -1; # endif } + +# define renameat2 missing_renameat2 #endif /* ======================================================================= */ #if !HAVE_DECL_KCMP -static inline int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) { +static inline int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) { # ifdef __NR_kcmp return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2); # else @@ -232,36 +246,45 @@ static inline int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, uns return -1; # endif } + +# define kcmp missing_kcmp #endif + /* ======================================================================= */ #if !HAVE_DECL_KEYCTL -static inline long keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4,unsigned long arg5) { +static inline long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4,unsigned long arg5) { # ifdef __NR_keyctl return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5); # else errno = ENOSYS; return -1; # endif + +# define keyctl missing_keyctl } -static inline key_serial_t add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) { +static inline key_serial_t missing_add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) { # ifdef __NR_add_key return syscall(__NR_add_key, type, description, payload, plen, ringid); # else errno = ENOSYS; return -1; # endif + +# define add_key missing_add_key } -static inline key_serial_t request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) { +static inline key_serial_t missing_request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) { # ifdef __NR_request_key return syscall(__NR_request_key, type, description, callout_info, destringid); # else errno = ENOSYS; return -1; # endif + +# define request_key missing_request_key } #endif @@ -286,10 +309,10 @@ static inline key_serial_t request_key(const char *type, const char *description # endif # endif -static inline ssize_t copy_file_range(int fd_in, loff_t *off_in, - int fd_out, loff_t *off_out, - size_t len, - unsigned int flags) { +static inline ssize_t missing_copy_file_range(int fd_in, loff_t *off_in, + int fd_out, loff_t *off_out, + size_t len, + unsigned int flags) { # ifdef __NR_copy_file_range return syscall(__NR_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags); # else @@ -297,4 +320,6 @@ static inline ssize_t copy_file_range(int fd_in, loff_t *off_in, return -1; # endif } + +# define copy_file_range missing_copy_file_range #endif |