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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /* * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ #ifndef __OS_H__ #define __OS_H__ #include "asm/types.h" #include "../os/include/file.h" #define OS_TYPE_FILE 1 #define OS_TYPE_DIR 2 #define OS_TYPE_SYMLINK 3 #define OS_TYPE_CHARDEV 4 #define OS_TYPE_BLOCKDEV 5 #define OS_TYPE_FIFO 6 #define OS_TYPE_SOCK 7 struct openflags { unsigned int r : 1; unsigned int w : 1; unsigned int s : 1; /* O_SYNC */ unsigned int c : 1; /* O_CREAT */ unsigned int t : 1; /* O_TRUNC */ unsigned int a : 1; /* O_APPEND */ unsigned int e : 1; /* O_EXCL */ unsigned int cl : 1; /* FD_CLOEXEC */ }; #define OPENFLAGS() ((struct openflags) { .r = 0, .w = 0, .s = 0, .c = 0, \ .t = 0, .a = 0, .e = 0, .cl = 0 }) static inline struct openflags of_read(struct openflags flags) { flags.r = 1; return(flags); } static inline struct openflags of_write(struct openflags flags) { flags.w = 1; return(flags); } static inline struct openflags of_rdwr(struct openflags flags) { return(of_read(of_write(flags))); } static inline struct openflags of_set_rw(struct openflags flags, int r, int w) { flags.r = r; flags.w = w; return(flags); } static inline struct openflags of_sync(struct openflags flags) { flags.s = 1; return(flags); } static inline struct openflags of_create(struct openflags flags) { flags.c = 1; return(flags); } static inline struct openflags of_trunc(struct openflags flags) { flags.t = 1; return(flags); } static inline struct openflags of_append(struct openflags flags) { flags.a = 1; return(flags); } static inline struct openflags of_excl(struct openflags flags) { flags.e = 1; return(flags); } static inline struct openflags of_cloexec(struct openflags flags) { flags.cl = 1; return(flags); } extern int os_seek_file(int fd, __u64 offset); extern int os_open_file(char *file, struct openflags flags, int mode); extern int os_read_file(int fd, void *buf, int len); extern int os_write_file(int fd, void *buf, int count); extern int os_file_size(char *file, long long *size_out); extern int os_pipe(int *fd, int stream, int close_on_exec); extern int os_set_fd_async(int fd, int owner); extern int os_set_fd_block(int fd, int blocking); extern int os_accept_connection(int fd); extern int os_shutdown_socket(int fd, int r, int w); extern void os_close_file(int fd); extern int os_rcv_fd(int fd, int *helper_pid_out); extern int create_unix_socket(char *file, int len); extern int os_connect_socket(char *name); extern int os_file_type(char *file); extern int os_file_mode(char *file, struct openflags *mode_out); extern unsigned long os_process_pc(int pid); extern int os_process_parent(int pid); extern void os_stop_process(int pid); extern void os_kill_process(int pid, int reap_child); extern void os_usr1_process(int pid); extern int os_getpid(void); extern int os_map_memory(void *virt, int fd, unsigned long off, unsigned long len, int r, int w, int x); extern int os_protect_memory(void *addr, unsigned long len, int r, int w, int x); extern int os_unmap_memory(void *addr, int len); #endif /* * Overrides for Emacs so that we follow Linus's tabbing style. * Emacs will notice this stuff at the end of the file and automatically * adjust the settings for this buffer only. This must remain at the end * of the file. * --------------------------------------------------------------------------- * Local variables: * c-file-style: "linux" * End: */ |