file.h

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#ifndef __VSF_LINUX_SYS_FILE_H__
#define __VSF_LINUX_SYS_FILE_H__
 
#include "shell/sys/linux/vsf_linux_cfg.h"
 
#if VSF_LINUX_CFG_RELATIVE_PATH == ENABLED
#   include "../sys/types.h"
#else
#   include <sys/types.h>
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if VSF_LINUX_CFG_WRAPPER == ENABLED
#define flock               VSF_LINUX_WRAPPER(flock)
#endif
 
#define LOCK_SH             (1 << 0)
#define LOCK_EX             (1 << 1)
#define LOCK_UN             (1 << 2)
 
#if VSF_LINUX_APPLET_USE_SYS_FILE == ENABLED
typedef struct vsf_linux_sys_file_vplt_t {
    vsf_vplt_info_t info;
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(flock);
} vsf_linux_sys_file_vplt_t;
#   ifndef __VSF_APPLET__
extern __VSF_VPLT_DECORATOR__ vsf_linux_sys_file_vplt_t vsf_linux_sys_file_vplt;
#   endif
#endif
 
#if     defined(__VSF_APPLET__) && (defined(__VSF_APPLET_LIB__) || defined(__VSF_APPLET_LINUX_SYS_FILE_LIB__))\
    &&  VSF_APPLET_CFG_ABI_PATCH != ENABLED && VSF_LINUX_APPLET_USE_SYS_FILE == ENABLED
 
#ifndef VSF_LINUX_APPLET_SYS_FILE_VPLT
#   if VSF_LINUX_USE_APPLET == ENABLED
#       define VSF_LINUX_APPLET_SYS_FILE_VPLT                                   \
            ((vsf_linux_sys_file_vplt_t *)(VSF_LINUX_APPLET_VPLT->sys_file_vplt))
#   else
#       define VSF_LINUX_APPLET_SYS_FILE_VPLT                                   \
            ((vsf_linux_sys_file_vplt_t *)vsf_vplt((void *)0))
#   endif
#endif
 
#define VSF_LINUX_APPLET_SYS_FILE_ENTRY(__NAME)                                 \
            VSF_APPLET_VPLT_ENTRY_FUNC_ENTRY(VSF_LINUX_APPLET_SYS_FILE_VPLT, __NAME)
#define VSF_LINUX_APPLET_SYS_FILE_IMP(...)                                      \
            VSF_APPLET_VPLT_ENTRY_FUNC_IMP(VSF_LINUX_APPLET_SYS_FILE_VPLT, __VA_ARGS__)
 
VSF_LINUX_APPLET_SYS_FILE_IMP(flock, int, int fd, int operation) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_SYS_FILE_ENTRY(flock)(fd, operation);
}
 
#else       // __VSF_APPLET__ && VSF_LINUX_APPLET_USE_SYS_FILE
 
int flock(int fd, int operation);
 
#endif      // __VSF_APPLET__ && VSF_LINUX_APPLET_USE_SYS_FILE
 
#ifdef __cplusplus
}
#endif
 
#endif      // __VSF_LINUX_SYS_FILE_H__