--- libeio/eio.c 2008/05/11 00:10:15 1.4 +++ libeio/eio.c 2008/05/11 19:11:05 1.6 @@ -273,8 +273,8 @@ void eio_destroy (eio_req *req) { - if ((req)->flags & EIO_FLAG_PTR2_FREE) - free (req->ptr2); + if ((req)->flags & EIO_FLAG_PTR1_FREE) free (req->ptr1); + if ((req)->flags & EIO_FLAG_PTR2_FREE) free (req->ptr2); EIO_DESTROY (req); } @@ -314,7 +314,9 @@ void eio_cancel (eio_req *req) { + X_LOCK (wrklock); req->flags |= EIO_FLAG_CANCELLED; + X_UNLOCK (wrklock); eio_grp_cancel (req); } @@ -586,9 +588,9 @@ static mutex_t readdirlock = X_MUTEX_INIT; -static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) +static int readdir_r (DIR *dirp, EIO_STRUCT_DIRENT *ent, EIO_STRUCT_DIRENT **res) { - X_DIRENT *e; + EIO_STRUCT_DIRENT *e; int errorno; X_LOCK (readdirlock); @@ -767,6 +769,18 @@ /*****************************************************************************/ +#define ALLOC(len) \ + X_LOCK (wrklock); \ + req->flags |= EIO_FLAG_PTR2_FREE; \ + X_UNLOCK (wrklock); \ + req->ptr2 = malloc (len); \ + if (!req->ptr2) \ + { \ + errno = ENOMEM; \ + req->result = -1; \ + break; \ + } + X_THREAD_PROC (eio_proc) { eio_req *req; @@ -830,9 +844,12 @@ case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; case EIO_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; - case EIO_STAT: req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; - case EIO_LSTAT: req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; - case EIO_FSTAT: req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; + case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT)); + req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; + case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); + req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; + case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); + req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; @@ -851,7 +868,8 @@ case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; - case EIO_READLINK: req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; + case EIO_READLINK: ALLOC (NAME_MAX); + req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; case EIO_SYNC: req->result = 0; sync (); break; case EIO_FSYNC: req->result = fsync (req->int1); break; @@ -1010,36 +1028,168 @@ X_THREAD_ATFORK (eio_atfork_prepare, eio_atfork_parent, eio_atfork_child); } +static void eio_api_destroy (eio_req *req) +{ + free (req); +} + +#define REQ(rtype) \ + eio_req *req; \ + \ + req = (eio_req *)calloc (1, sizeof *req); \ + if (!req) \ + return 0; \ + \ + req->type = EIO_ ## rtype; \ + req->pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ + req->finish = cb; \ + req->destroy = eio_api_destroy; + +#define SEND eio_submit (req); return req + +#define PATH (void)0 + +eio_req *eio_fsync (int fd, eio_cb cb) +{ + REQ (FSYNC); req->int1 = fd; SEND; +} + +eio_req *eio_fdatasync (int fd, eio_cb cb) +{ + REQ (FDATASYNC); req->int1 = fd; SEND; +} + +eio_req *eio_readahead (int fd, off_t offset, size_t length, eio_cb cb) +{ + REQ (READAHEAD); req->int1 = fd; req->offs = offset; req->size = length; SEND; +} + +eio_req *eio_read (int fd, off_t offset, size_t length, void *data, eio_cb cb) +{ + REQ (READ); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = data; SEND; +} + +eio_req *eio_write (int fd, off_t offset, size_t length, void *data, eio_cb cb) +{ + REQ (WRITE); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = data; SEND; +} + +eio_req *eio_fstat (int fd, eio_cb cb) +{ + REQ (FSTAT); req->int1 = fd; SEND; +} + +eio_req *eio_futime (int fd, double atime, double mtime, eio_cb cb) +{ + REQ (FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND; +} + +eio_req *eio_ftruncate (int fd, off_t offset, eio_cb cb) +{ + REQ (FTRUNCATE); req->int1 = fd; req->offs = offset; SEND; +} + +eio_req *eio_fchmod (int fd, mode_t mode, eio_cb cb) +{ + REQ (FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND; +} + +eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, eio_cb cb) +{ + REQ (FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND; +} + +eio_req *eio_dup2 (int fd, int fd2, eio_cb cb) +{ + REQ (DUP2); req->int1 = fd; req->int2 = fd2; SEND; +} + +eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, eio_cb cb) +{ + REQ (SENDFILE); req->int1 = out_fd; req->int2 = in_fd; req->offs = in_offset; req->size = length; SEND; +} + +eio_req *eio_open (const char *path, int flags, mode_t mode, eio_cb cb) +{ + REQ (OPEN); PATH; req->int1 = flags; req->int2 = (long)mode; SEND; +} + +eio_req *eio_readlink (const char *path, eio_cb cb) +{ + REQ (READLINK); PATH; SEND; +} + +eio_req *eio_stat (const char *path, eio_cb cb) +{ + REQ (STAT); PATH; SEND; +} + +eio_req *eio_lstat (const char *path, eio_cb cb) +{ + REQ (LSTAT); PATH; SEND; +} + +eio_req *eio_utime (const char *path, double atime, double mtime, eio_cb cb) +{ + REQ (UTIME); PATH; req->nv1 = atime; req->nv2 = mtime; SEND; +} + +eio_req *eio_truncate (const char *path, off_t offset, eio_cb cb) +{ + REQ (TRUNCATE); PATH; req->offs = offset; SEND; +} + +eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, eio_cb cb) +{ + REQ (CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND; +} + +eio_req *eio_chmod (const char *path, mode_t mode, eio_cb cb) +{ + REQ (CHMOD); PATH; req->int2 = (long)mode; SEND; +} + +eio_req *eio_mkdir (const char *path, mode_t mode, eio_cb cb) +{ + REQ (MKDIR); PATH; req->int2 = (long)mode; SEND; +} + +eio_req *eio_unlink (const char *path, eio_cb cb) +{ + REQ (UNLINK); PATH; SEND; +} + +eio_req *eio_rmdir (const char *path, eio_cb cb) +{ + REQ (RMDIR); PATH; SEND; +} + +eio_req *eio_readdir (const char *path, eio_cb cb) +{ + REQ (READDIR); PATH; SEND; +} + +eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, eio_cb cb) +{ + REQ (MKNOD); PATH; req->int2 = (long)mode; req->int2 = (long)dev; SEND; +} + +eio_req *eio_busy (double delay, eio_cb cb) +{ + REQ (BUSY); req->nv1 = delay; SEND; +} + +eio_req *eio_nop (eio_cb cb) +{ + REQ (NOP); SEND; +} + +#undef REQ +#undef PATH +#undef SEND + #if 0 -eio_req *eio_fsync (int fd, eio_cb cb); -eio_req *eio_fdatasync (int fd, eio_cb cb); -eio_req *eio_dupclose (int fd, eio_cb cb); -eio_req *eio_readahead (int fd, off_t offset, size_t length, eio_cb cb); -eio_req *eio_read (int fd, off_t offs, size_t length, char *data, eio_cb cb); -eio_req *eio_write (int fd, off_t offs, size_t length, char *data, eio_cb cb); -eio_req *eio_fstat (int fd, eio_cb cb); /* stat buffer=ptr2 allocates dynamically */ -eio_req *eio_futime (int fd, double atime, double mtime, eio_cb cb); -eio_req *eio_ftruncate (int fd, off_t offset, eio_cb cb); -eio_req *eio_fchmod (int fd, mode_t mode, eio_cb cb); -eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, eio_cb cb); -eio_req *eio_dup2 (int fd, int fd2, eio_cb cb); -eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, eio_cb cb); -eio_req *eio_open (const char *path, int flags, mode_t mode, eio_cb cb); -eio_req *eio_readlink (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */ -eio_req *eio_stat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocates dynamically */ -eio_req *eio_lstat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocates dynamically */ -eio_req *eio_utime (const char *path, double atime, double mtime, eio_cb cb); -eio_req *eio_truncate (const char *path, off_t offset, eio_cb cb); -eio_req *eio_chmod (const char *path, mode_t mode, eio_cb cb); -eio_req *eio_mkdir (const char *path, mode_t mode, eio_cb cb); -eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, eio_cb cb); -eio_req *eio_unlink (const char *path, eio_cb cb); -eio_req *eio_rmdir (const char *path, eio_cb cb); -eio_req *eio_readdir (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */ -eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, eio_cb cb); -eio_req *eio_busy (double delay, eio_cb cb); /* ties a thread for this long, simulating busyness */ -eio_req *eio_nop (eio_cb cb); /* does nothing except go through the whole process */ void aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) PROTOTYPE: $$$;$