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incubator-nuttx/include/sys/syscall.h

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/****************************************************************************
* include/sys/syscall.h
* This file contains the system call numbers.
*
* Copyright (C) 2011-2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 OWNER 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 __INCLUDE_SYS_SYSCALL_H
#define __INCLUDE_SYS_SYSCALL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
#ifdef CONFIG_LIB_SYSCALL
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Reserve the first system calls for platform-specific usage if so
* configured.
*/
#ifndef CONFIG_SYS_RESERVED
# define CONFIG_SYS_RESERVED (0)
#endif
/* System call numbers
*
* These first system calls are supported regardless of the NuttX
* configuration
*/
#define SYS__exit (CONFIG_SYS_RESERVED+0)
#define SYS_exit (CONFIG_SYS_RESERVED+1)
#define SYS_get_errno (CONFIG_SYS_RESERVED+2)
#define SYS_getpid (CONFIG_SYS_RESERVED+3)
#define SYS_sched_getparam (CONFIG_SYS_RESERVED+4)
#define SYS_sched_getscheduler (CONFIG_SYS_RESERVED+5)
#define SYS_sched_lock (CONFIG_SYS_RESERVED+6)
#define SYS_sched_lockcount (CONFIG_SYS_RESERVED+7)
#define SYS_sched_rr_get_interval (CONFIG_SYS_RESERVED+8)
#define SYS_sched_setparam (CONFIG_SYS_RESERVED+9)
#define SYS_sched_setscheduler (CONFIG_SYS_RESERVED+10)
#define SYS_sched_unlock (CONFIG_SYS_RESERVED+11)
#define SYS_sched_yield (CONFIG_SYS_RESERVED+12)
#define SYS_set_errno (CONFIG_SYS_RESERVED+13)
#define SYS_uname (CONFIG_SYS_RESERVED+14)
/* Semaphores */
#define SYS_sem_destroy (CONFIG_SYS_RESERVED+15)
#define SYS_sem_post (CONFIG_SYS_RESERVED+16)
#define SYS_sem_timedwait (CONFIG_SYS_RESERVED+17)
#define SYS_sem_trywait (CONFIG_SYS_RESERVED+18)
#define SYS_sem_wait (CONFIG_SYS_RESERVED+19)
/* Named semaphores */
#ifdef CONFIG_FS_NAMED_SEMAPHORES
# define SYS_sem_open (CONFIG_SYS_RESERVED+20)
# define SYS_sem_close (CONFIG_SYS_RESERVED+21)
# define SYS_sem_unlink (CONFIG_SYS_RESERVED+22)
# define __SYS_task_create (CONFIG_SYS_RESERVED+23)
#else
# define __SYS_task_create (CONFIG_SYS_RESERVED+20)
#endif
/* Task creation APIs based on global entry points cannot be use with
* address environments.
*/
#ifndef CONFIG_BUILD_KERNEL
# define SYS_task_create __SYS_task_create
# define __SYS_task_delete (__SYS_task_create+1)
/* pgalloc() is only available with address environments with the page
* allocator selected. MMU support from the CPU is also required.
*/
#else
# define SYS_pgalloc __SYS_task_create
# define __SYS_task_delete (__SYS_task_create+1)
#endif
# define SYS_task_delete __SYS_task_delete
# define SYS_task_restart (__SYS_task_delete+1)
# define SYS_up_assert (__SYS_task_delete+2)
# define __SYS_vfork (__SYS_task_delete+3)
/* The following can be individually enabled */
#ifdef CONFIG_ARCH_HAVE_VFORK
# define SYS_vfork __SYS_vfork
# define __SYS_atexit (__SYS_vfork+1)
#else
# define __SYS_atexit __SYS_vfork
#endif
#ifdef CONFIG_SCHED_ATEXIT
# define SYS_atexit __SYS_atexit
# define __SYS_on_exit (__SYS_atexit+1)
#else
# define __SYS_on_exit __SYS_atexit
#endif
#ifdef CONFIG_SCHED_ONEXIT
# define SYS_on_exit __SYS_on_exit
# define __SYS_waitpid (__SYS_on_exit+1)
#else
# define __SYS_waitpid __SYS_on_exit
#endif
#ifdef CONFIG_SCHED_WAITPID
# define SYS_waitpid __SYS_waitpid
# ifdef CONFIG_SCHED_HAVE_PARENT
# define SYS_wait (__SYS_waitpid+1)
# define SYS_waitid (__SYS_waitpid+2)
# define __SYS_insmod (__SYS_waitpid+3)
# else
# define __SYS_insmod (__SYS_waitpid+1)
#endif
#else
# define __SYS_insmod __SYS_waitpid
#endif
/* The following can only be defined if we are configured to load
* OS modules from a file system.
*/
#ifdef CONFIG_MODULE
# define SYS_insmod __SYS_insmod
# define SYS_rmmod (__SYS_insmod+1)
# define __SYS_posix_spawn (__SYS_insmod+2)
#else
# define __SYS_posix_spawn __SYS_insmod
#endif
/* The following can only be defined if we are configured to execute
* programs from a file system.
*/
#if !defined(CONFIG_BINFMT_DISABLE) && defined(CONFIG_LIBC_EXECFUNCS)
# ifdef CONFIG_BINFMT_EXEPATH
# define SYS_posix_spawnp __SYS_posix_spawn
# else
# define SYS_posix_spawn __SYS_posix_spawn
# endif
# define SYS_execv (__SYS_posix_spawn+1)
# define __SYS_signals (__SYS_posix_spawn+2)
#else
# define __SYS_signals __SYS_posix_spawn
#endif
/* The following are only defined is signals are supported in the NuttX
* configuration.
*/
#ifndef CONFIG_DISABLE_SIGNALS
# define SYS_kill (__SYS_signals+0)
# define SYS_sigaction (__SYS_signals+1)
# define SYS_sigpending (__SYS_signals+2)
# define SYS_sigprocmask (__SYS_signals+3)
# define SYS_sigqueue (__SYS_signals+4)
# define SYS_sigsuspend (__SYS_signals+5)
# define SYS_sigtimedwait (__SYS_signals+6)
# define SYS_sigwaitinfo (__SYS_signals+7)
# define SYS_nanosleep (__SYS_signals+8)
# define __SYS_clock (__SYS_signals+9)
#else
# define __SYS_clock __SYS_signals
#endif
/* The following are only defined if the system clock is enabled in the
* NuttX configuration.
*/
#define SYS_clock_systimer (__SYS_clock+0)
#define SYS_clock_getres (__SYS_clock+1)
#define SYS_clock_gettime (__SYS_clock+2)
#define SYS_clock_settime (__SYS_clock+3)
#define __SYS_timers (__SYS_clock+4)
/* The following are defined only if POSIX timers are supported */
#ifndef CONFIG_DISABLE_POSIX_TIMERS
# define SYS_timer_create (__SYS_timers+0)
# define SYS_timer_delete (__SYS_timers+1)
# define SYS_timer_getoverrun (__SYS_timers+2)
# define SYS_timer_gettime (__SYS_timers+3)
# define SYS_timer_settime (__SYS_timers+4)
# define __SYS_syslog (__SYS_timers+5)
#else
# define __SYS_syslog __SYS_timers
#endif
/* Unconditional system logging */
#define SYS__vsyslog (__SYS_syslog+0)
#define __SYS_descriptors (__SYS_syslog+1)
/* The following are defined if either file or socket descriptor are
* enabled.
*/
#ifndef CONFIG_NET
# undef CONFIG_NSOCKET_DESCRIPTORS
# define CONFIG_NSOCKET_DESCRIPTORS 0
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0
# define SYS_close (__SYS_descriptors+0)
# ifdef CONFIG_LIBC_IOCTL_VARIADIC
# define SYS_fs_ioctl (__SYS_descriptors+1)
# else
# define SYS_ioctl (__SYS_descriptors+1)
# endif
# define SYS_read (__SYS_descriptors+2)
# define SYS_write (__SYS_descriptors+3)
# define SYS_pread (__SYS_descriptors+4)
# define SYS_pwrite (__SYS_descriptors+5)
# ifdef CONFIG_FS_AIO
# define SYS_aio_read (__SYS_descriptors+6)
# define SYS_aio_write (__SYS_descriptors+7)
# define SYS_aio_fsync (__SYS_descriptors+8)
# define SYS_aio_cancel (__SYS_descriptors+9)
# define __SYS_poll (__SYS_descriptors+10)
# else
# define __SYS_poll (__SYS_descriptors+6)
# endif
# ifndef CONFIG_DISABLE_POLL
# define SYS_poll __SYS_poll
# define SYS_select (__SYS_poll+1)
# define __SYS_boardctl (__SYS_poll+2)
# else
# define __SYS_boardctl __SYS_poll
# endif
#else
# define __SYS_boardctl __SYS_descriptors
#endif
/* Board support */
#ifdef CONFIG_LIB_BOARDCTL
# define SYS_boardctl __SYS_boardctl
# define __SYS_filedesc (__SYS_boardctl+1)
#else
# define __SYS_filedesc __SYS_boardctl
#endif
/* The following are defined if file descriptors are enabled */
#if CONFIG_NFILE_DESCRIPTORS > 0
# define SYS_closedir (__SYS_filedesc+0)
# define SYS_dup (__SYS_filedesc+1)
# define SYS_dup2 (__SYS_filedesc+2)
# define SYS_fcntl (__SYS_filedesc+3)
# define SYS_lseek (__SYS_filedesc+4)
# define SYS_mkfifo (__SYS_filedesc+5)
# define SYS_mmap (__SYS_filedesc+6)
# define SYS_open (__SYS_filedesc+7)
# define SYS_opendir (__SYS_filedesc+8)
# define SYS_pipe (__SYS_filedesc+9)
# define SYS_readdir (__SYS_filedesc+10)
# define SYS_rewinddir (__SYS_filedesc+11)
# define SYS_seekdir (__SYS_filedesc+12)
# define SYS_stat (__SYS_filedesc+13)
# define SYS_statfs (__SYS_filedesc+14)
# define SYS_telldir (__SYS_filedesc+15)
# if CONFIG_NFILE_STREAMS > 0
# define SYS_fs_fdopen (__SYS_filedesc+16)
# define SYS_sched_getstreams (__SYS_filedesc+17)
# define __SYS_sendfile (__SYS_filedesc+18)
# else
# define __SYS_sendfile (__SYS_filedesc+16)
# endif
# if defined(CONFIG_NET_SENDFILE)
# define SYS_sendfile, __SYS_sendfile
# define __SYS_mountpoint (__SYS_sendfile+1)
# else
# define __SYS_mountpoint __SYS_sendfile
# endif
# if !defined(CONFIG_DISABLE_MOUNTPOINT)
# if defined(CONFIG_FS_READABLE)
# define SYS_mount (__SYS_mountpoint+0)
# endif
# define SYS_fsync (__SYS_mountpoint+1)
# define SYS_mkdir (__SYS_mountpoint+2)
# define SYS_rename (__SYS_mountpoint+3)
# define SYS_rmdir (__SYS_mountpoint+4)
# define SYS_umount2 (__SYS_mountpoint+5)
# define SYS_unlink (__SYS_mountpoint+6)
# define __SYS_shm (__SYS_mountpoint+7)
# else
# define __SYS_shm __SYS_mountpoint
# endif
#else
# define __SYS_shm __SYS_filedesc
#endif
/* Shared memory interfaces */
#ifdef CONFIG_MM_SHM
# define SYS_shmget (__SYS_shm+0)
# define SYS_shmat (__SYS_shm+1)
# define SYS_shmctl (__SYS_shm+2)
# define SYS_shmdt (__SYS_shm+3)
# define __SYS_pthread (__SYS_shm+4)
#else
# define __SYS_pthread __SYS_shm
#endif
/* The following are defined if pthreads are enabled */
#ifndef CONFIG_DISABLE_PTHREAD
# define SYS_pthread_barrier_destroy (__SYS_pthread+0)
# define SYS_pthread_barrier_init (__SYS_pthread+1)
# define SYS_pthread_barrier_wait (__SYS_pthread+2)
# define SYS_pthread_cancel (__SYS_pthread+3)
# define SYS_pthread_cond_broadcast (__SYS_pthread+4)
# define SYS_pthread_cond_destroy (__SYS_pthread+5)
# define SYS_pthread_cond_init (__SYS_pthread+6)
# define SYS_pthread_cond_signal (__SYS_pthread+7)
# define SYS_pthread_cond_wait (__SYS_pthread+8)
# define SYS_pthread_create (__SYS_pthread+9)
# define SYS_pthread_detach (__SYS_pthread+10)
# define SYS_pthread_exit (__SYS_pthread+11)
# define SYS_pthread_getschedparam (__SYS_pthread+12)
# define SYS_pthread_getspecific (__SYS_pthread+13)
# define SYS_pthread_join (__SYS_pthread+14)
# define SYS_pthread_key_create (__SYS_pthread+15)
# define SYS_pthread_key_delete (__SYS_pthread+16)
# define SYS_pthread_mutex_destroy (__SYS_pthread+17)
# define SYS_pthread_mutex_init (__SYS_pthread+18)
# define SYS_pthread_mutex_lock (__SYS_pthread+19)
# define SYS_pthread_mutex_trylock (__SYS_pthread+20)
# define SYS_pthread_mutex_unlock (__SYS_pthread+21)
# define SYS_pthread_once (__SYS_pthread+22)
# define SYS_pthread_setcancelstate (__SYS_pthread+23)
# define SYS_pthread_setschedparam (__SYS_pthread+24)
# define SYS_pthread_setschedprio (__SYS_pthread+25)
# define SYS_pthread_setspecific (__SYS_pthread+26)
# define SYS_pthread_yield (__SYS_pthread+27)
# ifndef CONFIG_SMP
# define SYS_pthread_setaffinity_np (__SYS_pthread+28)
# define SYS_pthread_getaffinity_np (__SYS_pthread+29)
# define __SYS_pthread_signals (__SYS_pthread+30)
# else
# define __SYS_pthread_signals (__SYS_pthread+28)
# endif
# ifndef CONFIG_DISABLE_SIGNALS
# define SYS_pthread_cond_timedwait (__SYS_pthread_signals+0)
# define SYS_pthread_kill (__SYS_pthread_signals+1)
# define SYS_pthread_sigmask (__SYS_pthread_signals+2)
# define __SYS_mqueue (__SYS_pthread_signals+3)
# else
# define __SYS_mqueue __SYS_pthread_signals
# endif
#else
# define __SYS_mqueue __SYS_pthread
#endif
/* The following are defined only if message queues are enabled */
#ifndef CONFIG_DISABLE_MQUEUE
# define SYS_mq_close (__SYS_mqueue+0)
# define SYS_mq_getattr (__SYS_mqueue+1)
# define SYS_mq_notify (__SYS_mqueue+2)
# define SYS_mq_open (__SYS_mqueue+3)
# define SYS_mq_receive (__SYS_mqueue+4)
# define SYS_mq_send (__SYS_mqueue+5)
# define SYS_mq_setattr (__SYS_mqueue+6)
# define SYS_mq_timedreceive (__SYS_mqueue+7)
# define SYS_mq_timedsend (__SYS_mqueue+8)
# define SYS_mq_unlink (__SYS_mqueue+9)
# define __SYS_environ (__SYS_mqueue+10)
#else
# define __SYS_environ __SYS_mqueue
#endif
/* The following are defined only if environment variables are supported */
#ifndef CONFIG_DISABLE_ENVIRON
# define SYS_clearenv (__SYS_environ+0)
# define SYS_getenv (__SYS_environ+1)
# define SYS_putenv (__SYS_environ+2)
# define SYS_setenv (__SYS_environ+3)
# define SYS_unsetenv (__SYS_environ+4)
# define __SYS_netdb (__SYS_environ+5)
#else
# define __SYS_netdb __SYS_environ
#endif
/* The following are defined if netdb is supported */
#ifdef CONFIG_LIBC_NETDB
# define SYS_sethostname (__SYS_netdb+0)
# define __SYS_network (__SYS_netdb+1)
#else
# define __SYS_network __SYS_netdb
#endif
/* The following are defined only if networking AND sockets are supported */
#if CONFIG_NSOCKET_DESCRIPTORS > 0
# define SYS_accept (__SYS_network+0)
# define SYS_bind (__SYS_network+1)
# define SYS_connect (__SYS_network+2)
# define SYS_getsockopt (__SYS_network+3)
# define SYS_listen (__SYS_network+4)
# define SYS_recv (__SYS_network+5)
# define SYS_recvfrom (__SYS_network+6)
# define SYS_send (__SYS_network+7)
# define SYS_sendto (__SYS_network+8)
# define SYS_setsockopt (__SYS_network+9)
# define SYS_socket (__SYS_network+10)
# define SYS_nnetsocket (__SYS_network+11)
#else
# define SYS_nnetsocket __SYS_network
#endif
/* The following is defined only if CONFIG_TASK_NAME_SIZE > 0 */
#if CONFIG_TASK_NAME_SIZE > 0
# define SYS_prctl (SYS_nnetsocket+0)
# define SYS_maxsyscall (SYS_nnetsocket+1)
#else
# define SYS_maxsyscall SYS_nnetsocket
#endif
/* Note that the reported number of system calls does *NOT* include the
* architecture-specific system calls. If the "real" total is required,
* use SYS_maxsyscall.
*/
#define SYS_nsyscalls (SYS_maxsyscall-CONFIG_SYS_RESERVED)
/****************************************************************************
* Public Type Definitions
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
#ifdef __KERNEL__
/* Function lookup tables. This table is indexed by the system call numbers
* defined above. Given the system call number, this table provides the
* address of the corresponding system function.
*
* This table is only available during the kernel phase of a kernel build.
*/
EXTERN const uintptr_t g_funclookup[SYS_nsyscalls];
/* Given the system call number, the corresponding entry in this table
* provides the address of the stub function.
*
* This table is only available during the kernel phase of a kernel build.
*/
EXTERN const uintptr_t g_stublookup[SYS_nsyscalls];
#endif
/* Given the system call number, the corresponding entry in this table
* provides the number of parameters needed by the function.
*/
EXTERN const uint8_t g_funcnparms[SYS_nsyscalls];
/****************************************************************************
* Public Functions
****************************************************************************/
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_LIB_SYSCALL */
#endif /* __INCLUDE_SYS_SYSCALL_H */
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