/**************************************************************************** * include/sys/syscall.h * This file contains the system call numbers. * * Copyright (C) 2011-2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #ifndef __ASSEMBLY__ # include #endif /* The content of this file is only meaningful for the case of a kernel build. */ #ifdef CONFIG_NUTTX_KERNEL /**************************************************************************** * 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_sem_close (CONFIG_SYS_RESERVED+13) #define SYS_sem_destroy (CONFIG_SYS_RESERVED+14) #define SYS_sem_open (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_unlink (CONFIG_SYS_RESERVED+19) #define SYS_sem_wait (CONFIG_SYS_RESERVED+20) #define SYS_set_errno (CONFIG_SYS_RESERVED+21) #define SYS_task_create (CONFIG_SYS_RESERVED+22) #define SYS_task_delete (CONFIG_SYS_RESERVED+23) #define SYS_task_restart (CONFIG_SYS_RESERVED+24) #define SYS_up_assert (CONFIG_SYS_RESERVED+25) #define __SYS_vfork (CONFIG_SYS_RESERVED+26) /* 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_posixspawn (__SYS_waitpid+3) # else # define __SYS_posixspawn (__SYS_waitpid+1) #endif #else # define __SYS_posixspawn __SYS_waitpid #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_posixspawnp __SYS_posixspawn # else # define SYS_posixspawn __SYS_posixspawn # endif # define SYS_execv (__SYS_posixspawn+1) # define SYS_execl (__SYS_posixspawn+2) # define __SYS_signals (__SYS_posixspawn+3) #else # define __SYS_signals __SYS_posixspawn #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_gettimeofday (__SYS_clock+4) #define __SYS_timers (__SYS_clock+5) /* 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_descriptors (__SYS_timers+5) #else # define __SYS_descriptors __SYS_timers #endif /* 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) # define SYS_ioctl (__SYS_descriptors+1) # define SYS_read (__SYS_descriptors+2) # define SYS_write (__SYS_descriptors+3) # ifndef CONFIG_DISABLE_POLL # define SYS_poll (__SYS_descriptors+4) # define SYS_select (__SYS_descriptors+5) # define __SYS_filedesc (__SYS_descriptors+6) # else # define __SYS_filedesc (__SYS_descriptors+4) # endif #else # define __SYS_filedesc __SYS_descriptors #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) # define SYS_fsync (__SYS_mountpoint+0) # define SYS_mkdir (__SYS_mountpoint+1) # define SYS_mount (__SYS_mountpoint+2) # define SYS_rename (__SYS_mountpoint+3) # define SYS_rmdir (__SYS_mountpoint+4) # define SYS_umount (__SYS_mountpoint+5) # define SYS_unlink (__SYS_mountpoint+6) # define __SYS_pthread (__SYS_mountpoint+7) # else # define __SYS_pthread __SYS_mountpoint # endif #else # define __SYS_pthread __SYS_filedesc #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_DISABLE_SIGNAL # define SYS_pthread_cond_timedwait (__SYS_pthread+28) # define SYS_pthread_kill (__SYS_pthread+29) # define SYS_pthread_sigmask (__SYS_pthread+30) # define __SYS_mqueue (__SYS_pthread+31) # else # define __SYS_mqueue (__SYS_pthread+28) # 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_notify (__SYS_mqueue+1) # define SYS_mq_open (__SYS_mqueue+2) # define SYS_mq_receive (__SYS_mqueue+3) # define SYS_mq_send (__SYS_mqueue+4) # define SYS_mq_timedreceive (__SYS_mqueue+5) # define SYS_mq_timedsend (__SYS_mqueue+6) # define SYS_mq_unlink (__SYS_mqueue+7) # define __SYS_environ (__SYS_mqueue+8) #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_network (__SYS_environ+5) #else # define __SYS_network __SYS_environ #endif /* The following are defined only if networking AND sockets are supported */ #if CONFIG_NSOCKET_DESCRIPTORS > 0 && defined(CONFIG_NET) # 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_NUTTX_KERNEL */ #endif /* __INCLUDE_SYS_SYSCALL_H */