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authorRoland McGrath <roland@gnu.org>2002-06-13 21:26:39 +0000
committerRoland McGrath <roland@gnu.org>2002-06-13 21:26:39 +0000
commit48d0548e88e4c06722165a969fccfbd429dff2f0 (patch)
tree58f199816ae4b798281e0f4ba5c6bee7df5e8e7d /trans/hello-mt.c
parent541dbfcc1fdfa6e35177a805c7a0ab890f821de3 (diff)
2002-06-13 Roland McGrath <roland@frob.com>
* firmlink.c (trivfs_S_io_read): Fix type of DATA argument. * streamio.c (trivfs_S_io_read): Likewise. (trivfs_S_io_write): Likewise. * hello.c (trivfs_S_io_read): Likewise. * hello-mt.c (trivfs_S_io_read): Likewise. * null.c (trivfs_S_io_read): Likewise. (trivfs_S_io_write): Likewise. (trivfs_S_file_set_size): Add reply port args. * hello.c (trivfs_S_io_read): off_t -> loff_t * hello-mt.c (trivfs_S_io_read): Likewise. * streamio.c (trivfs_S_io_read, trivfs_S_io_write): Likewise. (trivfs_S_file_sync): Add missing arg.
Diffstat (limited to 'trans/hello-mt.c')
-rw-r--r--trans/hello-mt.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/trans/hello-mt.c b/trans/hello-mt.c
index 83278e1b..cc338f92 100644
--- a/trans/hello-mt.c
+++ b/trans/hello-mt.c
@@ -1,5 +1,5 @@
/* hello-mt.c - A trivial single-file translator, multithreaded version
- Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1998,99,2001,02 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
@@ -123,8 +123,8 @@ close_hook (struct trivfs_peropen *peropen)
error_t
trivfs_S_io_read (struct trivfs_protid *cred,
mach_port_t reply, mach_msg_type_name_t reply_type,
- vm_address_t *data, mach_msg_type_number_t *data_len,
- off_t offs, mach_msg_type_number_t amount)
+ char **data, mach_msg_type_number_t *data_len,
+ loff_t offs, mach_msg_type_number_t amount)
{
struct open *op;
@@ -154,8 +154,13 @@ trivfs_S_io_read (struct trivfs_protid *cred,
{
/* Possibly allocate a new buffer. */
if (*data_len < amount)
- *data = (vm_address_t) mmap (0, amount, PROT_READ|PROT_WRITE,
- MAP_ANON, 0, 0);
+ *data = mmap (0, amount, PROT_READ|PROT_WRITE, MAP_ANON, 0, 0);
+ if (*data == MAP_FAILED)
+ {
+ mutex_unlock (&op->lock);
+ rwlock_reader_unlock (&contents_lock);
+ return ENOMEM;
+ }
/* Copy the constant data into the buffer. */
memcpy ((char *) *data, contents + offs, amount);