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/cvs/libeio/eio.h
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Comparing libeio/eio.h (file contents):
Revision 1.34 by root, Tue Jul 5 18:59:28 2011 UTC vs.
Revision 1.35 by root, Tue Jul 5 20:34:42 2011 UTC

… …
43#ifdef __cplusplus 43#ifdef __cplusplus
44extern "C" { 44extern "C" {
45#endif 45#endif
46 46
47#include <stddef.h> 47#include <stddef.h>
48#include <signal.h>
48#include <sys/types.h> 49#include <sys/types.h>
49 50
50typedef struct eio_req eio_req; 51typedef struct eio_req eio_req;
51typedef struct eio_dirent eio_dirent; 52typedef struct eio_dirent eio_dirent;
52 53
… …
193 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */ 194 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */
194 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range: flags */ 195 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range: flags */
195 long int3; /* chown, fchown: gid */ 196 long int3; /* chown, fchown: gid */
196 int errorno; /* errno value on syscall return */ 197 int errorno; /* errno value on syscall return */
197 198
199#if __i386 || __amd64
200 unsigned char cancelled;
201#else
202 sig_atomic_t cancelled;
203#endif
204
198 unsigned char flags; /* private */ 205 unsigned char flags; /* private */
199 signed char pri; /* the priority */ 206 signed char pri; /* the priority */
200 207
201 void *data; 208 void *data;
202 eio_cb finish; 209 eio_cb finish;
… …
208 eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */ 215 eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */
209}; 216};
210 217
211/* _private_ request flags */ 218/* _private_ request flags */
212enum { 219enum {
213 EIO_FLAG_CANCELLED = 0x01, /* request was cancelled */
214 EIO_FLAG_PTR1_FREE = 0x02, /* need to free(ptr1) */ 220 EIO_FLAG_PTR1_FREE = 0x01, /* need to free(ptr1) */
215 EIO_FLAG_PTR2_FREE = 0x04, /* need to free(ptr2) */ 221 EIO_FLAG_PTR2_FREE = 0x02, /* need to free(ptr2) */
216 EIO_FLAG_GROUPADD = 0x08 /* some request was added to the group */ 222 EIO_FLAG_GROUPADD = 0x04 /* some request was added to the group */
217}; 223};
218 224
219/* undocumented/unsupported/private helper */ 225/* undocumented/unsupported/private helper */
220/*void eio_page_align (void **addr, size_t *length);*/ 226/*void eio_page_align (void **addr, size_t *length);*/
221 227
… …
306 312
307/*****************************************************************************/ 313/*****************************************************************************/
308/* request api */ 314/* request api */
309 315
310/* true if the request was cancelled, useful in the invoke callback */ 316/* true if the request was cancelled, useful in the invoke callback */
311#define EIO_CANCELLED(req) ((req)->flags & EIO_FLAG_CANCELLED) 317#define EIO_CANCELLED(req) ((req)->cancelled)
312 318
313#define EIO_RESULT(req) ((req)->result) 319#define EIO_RESULT(req) ((req)->result)
314/* returns a pointer to the result buffer allocated by eio */ 320/* returns a pointer to the result buffer allocated by eio */
315#define EIO_BUF(req) ((req)->ptr2) 321#define EIO_BUF(req) ((req)->ptr2)
316#define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req)) 322#define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req))

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