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096ff284ca
* io.c (rb_io_set_nonblock): new function. (io_getpartial): nonblocking read support. (io_read_nonblock): new method: IO#read_nonblock. (io_write_nonblock): new method: IO#write_nonblock. * ext/socket/socket.c (s_accept): retry for EWOULDBLOCK. revert [ruby-talk:113807]. (sock_connect_nonblock): new method: Socket#connect_nonblock. (sock_accept_nonblock): new method: Socket#accept_nonblock. (sock_recvfrom_nonblock): new method: Socket#recvfrom_nonblock. [ruby-core:7917] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10172 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/**********************************************************************
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rubyio.h -
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$Author$
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$Date$
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created at: Fri Nov 12 16:47:09 JST 1993
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Copyright (C) 1993-2003 Yukihiro Matsumoto
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**********************************************************************/
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#ifndef RUBYIO_H
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#define RUBYIO_H
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#include <stdio.h>
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#include <errno.h>
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#if defined(HAVE_STDIO_EXT_H)
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#include <stdio_ext.h>
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#endif
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typedef struct OpenFile {
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int fd; /* file descriptor */
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FILE *stdio_file; /* stdio ptr for read/write if available */
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int mode; /* mode flags */
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int pid; /* child's pid (for pipes) */
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int lineno; /* number of lines read */
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char *path; /* pathname for file */
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void (*finalize)(struct OpenFile*,int); /* finalize proc */
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long refcnt;
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char *wbuf; /* wbuf_off + wbuf_len <= wbuf_capa */
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int wbuf_off;
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int wbuf_len;
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int wbuf_capa;
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char *rbuf; /* rbuf_off + rbuf_len <= rbuf_capa */
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int rbuf_off;
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int rbuf_len;
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int rbuf_capa;
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} OpenFile;
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#define FMODE_READABLE 1
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#define FMODE_WRITABLE 2
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#define FMODE_READWRITE 3
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#define FMODE_APPEND 64
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#define FMODE_CREATE 128
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#define FMODE_BINMODE 4
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#define FMODE_SYNC 8
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#define FMODE_TTY 16
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#define FMODE_DUPLEX 32
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#define FMODE_WSPLIT 0x200
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#define FMODE_WSPLIT_INITIALIZED 0x400
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#define GetOpenFile(obj,fp) rb_io_check_closed((fp) = RFILE(rb_io_taint_check(obj))->fptr)
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#define MakeOpenFile(obj, fp) do {\
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if (RFILE(obj)->fptr) {\
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rb_io_close(obj);\
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free(RFILE(obj)->fptr);\
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RFILE(obj)->fptr = 0;\
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}\
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fp = 0;\
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fp = RFILE(obj)->fptr = ALLOC(OpenFile);\
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fp->fd = -1;\
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fp->stdio_file = NULL;\
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fp->mode = 0;\
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fp->pid = 0;\
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fp->lineno = 0;\
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fp->path = NULL;\
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fp->finalize = 0;\
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fp->refcnt = 1;\
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fp->wbuf = NULL;\
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fp->wbuf_off = 0;\
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fp->wbuf_len = 0;\
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fp->wbuf_capa = 0;\
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fp->rbuf = NULL;\
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fp->rbuf_off = 0;\
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fp->rbuf_len = 0;\
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fp->rbuf_capa = 0;\
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} while (0)
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FILE *rb_io_stdio_file(OpenFile *fptr);
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FILE *rb_fopen(const char*, const char*);
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FILE *rb_fdopen(int, const char*);
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int rb_io_mode_flags(const char*);
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int rb_io_modenum_flags(int);
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void rb_io_check_writable(OpenFile*);
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void rb_io_check_readable(OpenFile*);
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int rb_io_fptr_finalize(OpenFile*);
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void rb_io_synchronized(OpenFile*);
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void rb_io_check_initialized(OpenFile*);
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void rb_io_check_closed(OpenFile*);
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int rb_io_wait_readable(int);
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int rb_io_wait_writable(int);
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void rb_io_set_nonblock(OpenFile *fptr);
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VALUE rb_io_taint_check(VALUE);
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NORETURN(void rb_eof_error(void));
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void rb_io_read_check(OpenFile*);
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int rb_io_read_pending(OpenFile*);
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void rb_read_check(FILE*);
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DEPRECATED(int rb_getc(FILE*));
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DEPRECATED(long rb_io_fread(char *, long, FILE *));
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DEPRECATED(long rb_io_fwrite(const char *, long, FILE *));
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DEPRECATED(int rb_read_pending(FILE*));
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#endif
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