/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _LOS_SYSCALL_H #define _LOS_SYSCALL_H #include "los_typedef.h" #include "los_task.h" #include "los_mux.h" #include "los_signal.h" #include "fs/fs.h" #include "syscall.h" #ifdef LOSCFG_KERNEL_DYNLOAD #include "los_exec_elf.h" #endif #include "sys/times.h" #include "sys/utsname.h" #include "sys/shm.h" #include "poll.h" #include "utime.h" #include "mqueue.h" #include "time.h" #include "sys/time.h" #include "sys/stat.h" #ifdef LOSCFG_FS_VFS #include "sys/socket.h" #include "dirent.h" #include "fs/fs.h" #endif /* process */ extern unsigned int SysGetGroupId(void); extern unsigned int SysGetTid(void); extern void SysSchedYield(int type); extern int SysSchedGetScheduler(int id, int flag); extern int SysSchedSetScheduler(int id, int policy, int prio, int flag); extern int SysSchedGetParam(int id, int flag); extern int SysSchedSetParam(int id, unsigned int prio, int flag); extern int SysSetProcessPriority(int which, int who, unsigned int prio); extern int SysGetProcessPriority(int which, int who); extern int SysSchedGetPriorityMin(int policy); extern int SysSchedGetPriorityMax(int policy); extern int SysSchedRRGetInterval(int pid, struct timespec *tp); extern int SysWait(int pid, USER int *status, int options, void *rusage); extern int SysFork(void); extern unsigned int SysGetPID(void); extern unsigned int SysGetPPID(void); extern int SysSetGroupID(unsigned int gid); extern int SysGetGroupID(void); extern int SysGetUserID(void); extern int SysGetEffUserID(void); extern int SysGetEffGID(void); extern int SysSetUserID(int uid); extern int SysGetRealEffSaveUserID(int *ruid, int *euid, int *suid); extern int SysGetRealEffSaveGroupID(int *rgid, int *egid, int *sgid); extern int SysSetRealEffUserID(int ruid, int euid); extern int SysSetRealEffGroupID(int rgid, int egid); extern int SysSetRealEffSaveGroupID(int rgid, int egid, int sgid); extern int SysSetRealEffSaveUserID(int ruid, int euid, int suid); extern int SysGetGroups(int size, int list[]); extern int SysSetGroups(int size, int list[]); extern int SysGetCurrProcessGroupID(void); extern int SysGetProcessGroupID(unsigned int pid); extern int SysSetProcessGroupID(unsigned int pid, unsigned int gid); extern unsigned int SysCreateUserThread(const TSK_ENTRY_FUNC func, const UserTaskParam *userParam, bool joinable); extern int SysSetThreadArea(const char *area); extern char *SysGetThreadArea(void); extern int SysUserThreadSetDeatch(unsigned int taskID); extern int SysUserThreadDetach(unsigned int taskID); extern int SysThreadJoin(unsigned int taskID); extern void SysUserExitGroup(int status); extern void SysThreadExit(int status); extern int SysFutex(const unsigned int *uAddr, unsigned int flags, int val, unsigned int absTime, const unsigned int *newUserAddr); extern int SysSchedGetAffinity(int id, unsigned int *cpuset, int flag); extern int SysSchedSetAffinity(int id, const unsigned short cpuset, int flag); extern mqd_t SysMqOpen(const char *mqName, int openFlag, mode_t mode, struct mq_attr *attr); extern int SysMqClose(mqd_t personal); extern int SysMqGetSetAttr(mqd_t mqd, const struct mq_attr *new, struct mq_attr *old); extern int SysMqUnlink(const char *mqName); extern int SysMqSend(mqd_t personal, const char *msgPtr, size_t msgLen, unsigned int msgPrio); extern int SysMqTimedSend(mqd_t personal, const char *msg, size_t msgLen, unsigned int msgPrio, const struct timespec *absTimeout); extern ssize_t SysMqTimedReceive(mqd_t personal, char *msg, size_t msgLen, unsigned int *msgPrio, const struct timespec *absTimeout); extern int SysSigAction(int sig, const sigaction_t *restrict sa, sigaction_t *restrict old, size_t sigsetsize); extern int SysSigprocMask(int how, const sigset_t_l *restrict set, sigset_t *restrict old, size_t sigsetsize); extern int SysKill(pid_t pid, int sig); extern int SysPthreadKill(pid_t pid, int sig); extern int SysSigTimedWait(const sigset_t *set, siginfo_t *info, const struct timespec *timeoutsize_t, size_t sigsetsize); extern int SysPause(void); extern int SysSigPending(sigset_t_l *setl); extern int SysSigSuspend(sigset_t_l *setl); extern int SysMkFifo(const char *pathName, mode_t mode); /* net */ #ifdef LOSCFG_NET_LWIP_SACK extern int SysSocket(int domain, int type, int protocol); extern int SysBind(int s, const struct sockaddr *name, socklen_t namelen); extern int SysConnect(int s, const struct sockaddr *name, socklen_t namelen); extern int SysListen(int sockfd, int backlog); extern int SysAccept(int socket, struct sockaddr *address, socklen_t *addressLen); extern int SysGetSockName (int s, struct sockaddr *name, socklen_t *namelen); extern int SysGetPeerName (int s, struct sockaddr *name, socklen_t *namelen); extern ssize_t SysSend(int s, const void *dataptr, size_t size, int flags); extern ssize_t SysSendTo(int s, const void *dataptr, size_t size, int flags, const struct sockaddr *to, socklen_t tolen); extern ssize_t SysRecv(int socket, void *buffer, size_t length, int flags); extern ssize_t SysRecvFrom(int socket, void *buffer, size_t length, int flags, struct sockaddr *address, socklen_t *addressLen); extern int SysShutdown(int socket, int how); extern int SysSetSockOpt(int socket, int level, int optName, const void *optValue, socklen_t optLen); extern int SysGetSockOpt(int sockfd, int level, int optName, void *optValue, socklen_t *optLen); extern ssize_t SysSendMsg(int s, const struct msghdr *message, int flags); extern ssize_t SysRecvMsg(int s, struct msghdr *message, int flags); #endif /* vmm */ extern void *SysMmap(void *addr, size_t size, int prot, int flags, int fd, size_t offset); extern int SysMunmap(void *addr, size_t size); extern int SysMprotect(vaddr_t vaddr, size_t len, int prot); extern vaddr_t SysMremap(vaddr_t old_address, size_t old_size, size_t new_size, int flags, vaddr_t new_addr); extern void *SysBrk(void *addr); extern int SysShmGet(key_t key, size_t size, int shmflg); extern void *SysShmAt(int shmid, const void *shmaddr, int shmflg); extern int SysShmCtl(int shmid, int cmd, struct shmid_ds *buf); extern int SysShmDt(const void *shmaddr); /* misc */ extern int SysUname(struct utsname *name); /* time */ extern int SysNanoSleep(const struct timespec *rqtp, struct timespec *rmtp); extern clock_t SysTimes(struct tms *buf); extern time_t SysTime(time_t *tloc); extern int SysSetiTimer(int which, const struct itimerval *value, struct itimerval *ovalue); extern int SysGetiTimer(int which, struct itimerval *value); extern int SysTimerCreate(clockid_t clockID, struct sigevent *evp, timer_t *timerID); extern int SysTimerGettime(timer_t timerID, struct itimerspec *value); extern int SysTimerGetoverrun(timer_t timerID); extern int SysTimerDelete(timer_t timerID); extern int SysClockSettime(clockid_t clockID, const struct timespec *tp); extern int SysClockGettime(clockid_t clockID, struct timespec *tp); extern int SysClockGetres(clockid_t clockID, struct timespec *tp); extern int SysClockNanoSleep(clockid_t clk, int flags, const struct timespec *req, struct timespec *rem); extern int SysUtime(const char *path, const struct utimbuf *ptimes); extern int SysTimerSettime(timer_t timerID, int flags, const struct itimerspec *value, struct itimerspec *oldValue); extern int SysClockSettime64(clockid_t clockID, const struct timespec64 *tp); extern int SysClockGettime64(clockid_t clockID, struct timespec64 *tp); extern int SysClockGetres64(clockid_t clockID, struct timespec64 *tp); extern int SysClockNanoSleep64(clockid_t clk, int flags, const struct timespec64 *req, struct timespec64 *rem); extern int SysTimerGettime64(timer_t timerID, struct itimerspec64 *value); extern int SysTimerSettime64(timer_t timerID, int flags, const struct itimerspec64 *value, struct itimerspec64 *oldValue); /* filesystem */ #ifdef LOSCFG_FS_VFS typedef int (*PollFun)(struct pollfd *fds, nfds_t nfds, int timeout); extern int do_open(int dirfd, const char *path, int oflags, ...); extern int do_unlink(int dirfd, const char *pathname); extern int do_mkdir(int dirfd, const char *pathname, mode_t mode); extern int do_rmdir(int dirfd, const char *pathname); extern int do_rename(int oldfd, const char *oldpath, int newfd, const char *newpath); extern int do_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout, PollFun poll); extern int do_readdir(int fd, struct dirent **de, unsigned int count); extern ssize_t preadv(int __fd, const struct iovec *__iov, int __count, off_t __offset); extern ssize_t pwritev(int __fd, const struct iovec *__iov, int __count, off_t __offset); extern int chattr(const char *pathname, struct IATTR *attr); extern int SysClose(int fd); extern ssize_t SysRead(int fd, void *buf, size_t nbytes); extern ssize_t SysWrite(int fd, const void *buf, size_t nbytes); extern int SysOpen(const char *path, int oflags, ...); extern int SysCreat(const char *pathname, mode_t mode); extern int SysUnlink( const char *pathname); extern int SysExecve(const char *fileName, char *const *argv, char *const *envp); extern int SysChdir(const char *path); extern int SysChmod(const char *path, mode_t mode); extern int SysChown(const char *pathname, uid_t owner, gid_t group); extern off_t SysLseek(int fd, off_t offset, int whence); extern off64_t SysLseek64(int fd, int offsetHigh, int offsetLow, off64_t *result, int whence); extern int SysMount(const char *source, const char *target, const char *filesystemtype, unsigned long mountflags, const void *data); extern int SysUmount(const char *target); extern int SysAccess(const char *path, int amode); extern int SysRename(const char *oldpath, const char *newpath); extern int SysMkdir(const char *pathname, mode_t mode); extern int SysRmdir(const char *pathname); extern int SysDup(int fd); extern int SysUmount2(const char *target, int flags); extern int SysIoctl(int fd, int req, void *arg); extern int SysFcntl(int fd, int cmd, void *arg); extern int SysDup2(int fd1, int fd2); extern int SysSelect(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout); extern int SysTruncate(const char *path, off_t length); extern int SysFtruncate(int fd, off_t length); extern int SysStatfs(const char *path, struct statfs *buf); extern int SysStatfs64(const char *path, size_t sz, struct statfs *buf); extern int SysStat(const char *path, struct stat *buf); extern int SysLstat(const char *path, struct stat *buffer); extern int SysFstat(int fildes, struct stat *buf); extern int SysStatx(int fd, const char *restrict path, int flag, unsigned mask, struct statx *restrict stx); extern int SysFsync(int fd); extern ssize_t SysReadv(int fd, const struct iovec *iov, int iovcnt); extern ssize_t SysWritev(int fd, const struct iovec *iov, int iovcnt); extern int SysPipe(int pipefd[2]); /* 2 : pipe fds for read and write */ extern int SysFormat(const char *dev, int sectors, int option); extern int SysFstat64(int fd, struct stat64 *buf); extern int SysFcntl64(int fd, int cmd, void *arg); extern int SysPoll(struct pollfd *fds, nfds_t nfds, int timeout); extern int SysPrctl(int option, ...); extern ssize_t SysPread64(int fd, void *buf, size_t nbytes, off64_t offset); extern ssize_t SysPwrite64(int fd, const void *buf, size_t nbytes, off64_t offset); extern char *SysGetcwd(char *buf, size_t n); extern ssize_t SysSendFile(int outfd, int infd, off_t *offset, size_t count); extern int SysTruncate(const char *path, off_t length); extern int SysTruncate64(const char *path, off64_t length); extern int SysFtruncate64(int fd, off64_t length); extern int SysOpenat(int dirfd, const char *path, int oflags, ...); extern int SysMkdirat(int dirfd, const char *pathname, mode_t mode); extern int SysUnlinkat(int dirfd, const char *pathname, int flag); extern int SysRenameat(int oldfd, const char *oldpath, int newdfd, const char *newpath); extern int SysFallocate(int fd, int mode, off_t offset, off_t len); extern int SysFallocate64(int fd, int mode, off64_t offset, off64_t len); extern ssize_t SysPreadv(int fd, const struct iovec *iov, int iovcnt, long loffset, long hoffset); extern ssize_t SysPwritev(int fd, const struct iovec *iov, int iovcnt, long loffset, long hoffset); extern void SysSync(void); extern int SysGetdents64(int fd, struct dirent *de_user, unsigned int count); extern int do_opendir(const char *path, int oflags); extern char *SysRealpath(const char *path, char *resolvedPath); extern int SysUmask(int mask); extern int SysShellExec(const char *msgName, const char *cmdString); extern int SysReboot(int magic, int magic2, int type); #endif #endif /* _LOS_SYSCALL_H */