usr/src/cmd/sendmail/db/os/os_fsync.c

   1 /*-
   2  * See the file LICENSE for redistribution information.
   3  *
   4  * Copyright (c) 1997, 1998
   5  *      Sleepycat Software.  All rights reserved.
   6  */
   7
   8 #include "config.h"
   9
  10 #ifndef lint
  11 static const char sccsid[] = "@(#)os_fsync.c    10.7 (Sleepycat) 10/12/98";
  12 #endif /* not lint */
  13
  14 #ifndef NO_SYSTEM_INCLUDES
  15 #include <sys/types.h>
  16
  17 #include <errno.h>
  18 #include <fcntl.h>                      /* XXX: Required by __hp3000s900 */
  19 #include <unistd.h>
  20 #endif
  21
  22 #include "db_int.h"
  23 #include "os_jump.h"
  24
  25 #ifdef __hp3000s900
  26 int
  27 __mpe_fsync(fd)
  28         int fd;
  29 {
  30         extern FCONTROL(short, short, void *);
  31
  32         FCONTROL(_MPE_FILENO(fd), 2, NULL);     /* Flush the buffers */
  33         FCONTROL(_MPE_FILENO(fd), 6, NULL);     /* Write the EOF */
  34         return (0);
  35 }
  36 #endif
  37
  38 #ifdef __hp3000s900
  39 #define fsync(fd)       __mpe_fsync(fd);
  40 #endif
  41 #ifdef _WIN32
  42 #define fsync(fd)       _commit(fd);
  43 #endif
  44
  45 /*
  46  * __os_fsync --
  47  *      Flush a file descriptor.
  48  *
  49  * PUBLIC: int __os_fsync __P((int));
  50  */
  51 int
  52 __os_fsync(fd)
  53         int fd;
  54 {
  55         int ret;
  56
  57         ret = __db_jump.j_fsync != NULL ?  __db_jump.j_fsync(fd) : fsync(fd);
  58         return (ret == 0 ? 0 : errno);
  59 }