mount.h

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#ifndef __VSF_LINUX_SYS_MOUNT_H__
#define __VSF_LINUX_SYS_MOUNT_H__
 
#include "shell/sys/linux/vsf_linux_cfg.h"
 
// for mal
#include "component/vsf_component.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if VSF_LINUX_CFG_WRAPPER == ENABLED
#define mount               VSF_LINUX_WRAPPER(mount)
#define umount              VSF_LINUX_WRAPPER(umount)
#endif
 
// syscalls
 
#define __NR_mount          mount
#define __NR_umount         umount
#define __NR_umount2        umount2
 
#if VSF_USE_MAL != ENABLED
#   error VSF_USE_MAL MUST be enabled to support mount
#endif
 
// fsdata if filesystem is not specified
typedef struct vsf_linux_fsdata_auto_t {
    vk_mal_t *mal;
    vsf_mutex_t mutex;
} vsf_linux_fsdata_auto_t;
 
#if VSF_LINUX_APPLET_USE_SYS_MOUNT == ENABLED
typedef struct vsf_linux_sys_mount_vplt_t {
    vsf_vplt_info_t info;
} vsf_linux_sys_mount_vplt_t;
#   ifndef __VSF_APPLET__
extern __VSF_VPLT_DECORATOR__ vsf_linux_sys_mount_vplt_t vsf_linux_sys_mount_vplt;
#   endif
#endif
 
#if     defined(__VSF_APPLET__) && (defined(__VSF_APPLET_LIB__) || defined(__VSF_APPLET_LINUX_SYS_MOUNT_LIB__))\
    &&  VSF_APPLET_CFG_ABI_PATCH != ENABLED && VSF_LINUX_APPLET_USE_SYS_MOUNT == ENABLED
 
#ifndef VSF_LINUX_APPLET_SYS_MOUNT_VPLT
#   if VSF_LINUX_USE_APPLET == ENABLED
#       define VSF_LINUX_APPLET_SYS_MOUNT_VPLT                                  \
            ((vsf_linux_sys_mount_vplt_t *)(VSF_LINUX_APPLET_VPLT->sys_mount_vplt))
#   else
#       define VSF_LINUX_APPLET_SYS_MOUNT_VPLT                                  \
            ((vsf_linux_sys_mount_vplt_t *)vsf_vplt((void *)0))
#   endif
#endif
 
#define VSF_LINUX_APPLET_SYS_MOUNT_ENTRY(__NAME)                                \
            VSF_APPLET_VPLT_ENTRY_FUNC_ENTRY(VSF_LINUX_APPLET_SYS_MOUNT_VPLT, __NAME)
#define VSF_LINUX_APPLET_SYS_MOUNT_IMP(...)                                     \
            VSF_APPLET_VPLT_ENTRY_FUNC_IMP(VSF_LINUX_APPLET_SYS_MOUNT_VPLT, __VA_ARGS__)
 
#else       // __VSF_APPLET__ && VSF_LINUX_APPLET_USE_SYS_MOUNT
 
// TODO: implement standard mount after device mapping is implemented
//int mount(const char *source, const char *target,
//   const char *filesystemtype, unsigned long mountflags, const void *data);
int mount(const char *source, const char *target,
   const vk_fs_op_t *filesystem, unsigned long mountflags, const void *data);
int umount(const char *target);
int umount2(const char *target, int flags);
 
#endif      // __VSF_APPLET__ && VSF_LINUX_APPLET_USE_SYS_MOUNT
 
#ifdef __cplusplus
}
#endif
 
#endif