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mirror of https://github.com/adtools/clib2.git synced 2025-12-08 14:59:05 +00:00

- Extended the thread-safety locking to the file descriptors.

git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14844 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2005-02-28 13:22:53 +00:00
parent 1df294c07e
commit c799b17bb9
25 changed files with 282 additions and 52 deletions

View File

@ -1,5 +1,5 @@
#
# $Id: GNUmakefile.68k,v 1.31 2005-02-27 21:58:20 obarthel Exp $
# $Id: GNUmakefile.68k,v 1.32 2005-02-28 13:22:53 obarthel Exp $
#
# :ts=8
#
@ -143,6 +143,7 @@ C_LIB = \
fcntl_creat.o \
fcntl_fcntl.o \
fcntl_get_default_file.o \
fcntl_lock.o \
fcntl_lseek.o \
fcntl_open.o \
fcntl_read.o \

View File

@ -1,5 +1,5 @@
#
# $Id: GNUmakefile.os4,v 1.31 2005-02-27 21:58:21 obarthel Exp $
# $Id: GNUmakefile.os4,v 1.32 2005-02-28 13:22:53 obarthel Exp $
#
# :ts=8
#
@ -147,6 +147,7 @@ C_LIB = \
fcntl_creat.o \
fcntl_fcntl.o \
fcntl_get_default_file.o \
fcntl_lock.o \
fcntl_lseek.o \
fcntl_open.o \
fcntl_read.o \

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@ -72,6 +72,8 @@
preprocessor symbol __THREAD_SAFE defined to get thread-safe
code.
- Extended the thread-safety locking to the file descriptors.
c.lib 1.188 (7.2.2005)

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@ -1,5 +1,5 @@
/*
* $Id: fcntl_fcntl.c,v 1.10 2005-02-27 21:58:21 obarthel Exp $
* $Id: fcntl_fcntl.c,v 1.11 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -48,7 +48,7 @@ fcntl(int file_descriptor, int cmd, ... /* int arg */ )
struct flock * l;
int vacant_slot;
int result = -1;
struct fd * fd;
struct fd * fd = NULL;
va_list arg;
int error;
int flags;
@ -74,6 +74,8 @@ fcntl(int file_descriptor, int cmd, ... /* int arg */ )
goto out;
}
__fd_lock(fd);
switch(cmd)
{
case F_GETLK:
@ -277,6 +279,8 @@ fcntl(int file_descriptor, int cmd, ... /* int arg */ )
out:
__fd_unlock(fd);
RETURN(result);
return(result);
}

62
library/fcntl_lock.c Normal file
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@ -0,0 +1,62 @@
/*
* $Id: fcntl_lock.c,v 1.1 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2005 by Olaf Barthel <olsen@sourcery.han.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _STDIO_HEADERS_H
#include "stdio_headers.h"
#endif /* _STDIO_HEADERS_H */
/****************************************************************************/
#if defined(__THREAD_SAFE)
/****************************************************************************/
void
__fd_lock(struct fd * fd)
{
if(fd != NULL && fd->fd_Lock != NULL)
ObtainSemaphore(fd->fd_Lock);
}
/****************************************************************************/
void
__fd_unlock(struct fd * fd)
{
if(fd != NULL && fd->fd_Lock != NULL)
ReleaseSemaphore(fd->fd_Lock);
}
/****************************************************************************/
#endif /* __THREAD_SAFE */

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@ -1,5 +1,5 @@
/*
* $Id: fcntl_open.c,v 1.11 2005-02-27 21:58:21 obarthel Exp $
* $Id: fcntl_open.c,v 1.12 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -94,6 +94,7 @@ open(const char *path_name, int open_flag, ... /* mode_t mode */ )
struct name_translation_info path_name_nti;
#endif /* UNIX_PATH_SEMANTICS */
D_S(struct FileInfoBlock,fib);
struct SignalSemaphore * fd_lock;
LONG is_file_system = FALSE;
LONG open_mode;
BPTR lock = ZERO;
@ -328,9 +329,26 @@ open(const char *path_name, int open_flag, ... /* mode_t mode */ )
goto out;
}
#if defined(__THREAD_SAFE)
{
fd_lock = AllocVec(sizeof(*fd_lock),MEMF_ANY|MEMF_PUBLIC);
if(fd_lock == NULL)
{
__set_errno(ENOMEM);
goto out;
}
InitSemaphore(fd_lock);
}
#else
{
fd_lock = NULL;
}
#endif /* __THREAD_SAFE */
fd = __fd[fd_slot_number];
__initialize_fd(fd,__fd_hook_entry,handle,0);
__initialize_fd(fd,__fd_hook_entry,handle,0,fd_lock);
/* Figure out if this stream is attached to a console. */
PROFILE_OFF();

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@ -1,5 +1,5 @@
/*
* $Id: mount_fstatfs.c,v 1.7 2005-02-28 10:07:30 obarthel Exp $
* $Id: mount_fstatfs.c,v 1.8 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -53,7 +53,7 @@ fstatfs(int file_descriptor, struct statfs *buf)
D_S(struct InfoData,id);
BPTR parent_dir = ZERO;
int result = -1;
struct fd * fd;
struct fd * fd = NULL;
LONG success;
ENTER();
@ -89,6 +89,8 @@ fstatfs(int file_descriptor, struct statfs *buf)
goto out;
}
__fd_lock(fd);
if(FLAG_IS_SET(fd->fd_Flags,FDF_IS_SOCKET))
{
__set_errno(EINVAL);
@ -125,6 +127,8 @@ fstatfs(int file_descriptor, struct statfs *buf)
out:
__fd_unlock(fd);
UnLock(parent_dir);
RETURN(result);

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@ -1,5 +1,5 @@
_#
# $Id: smakefile,v 1.25 2005-02-27 21:58:21 obarthel Exp $
# $Id: smakefile,v 1.26 2005-02-28 13:22:53 obarthel Exp $
#
# :ts=8
#
@ -161,6 +161,7 @@ FCNTL_OBJ = \
fcntl_close.o \
fcntl_creat.o \
fcntl_fcntl.o \
fcntl_lock.o \
fcntl_lseek.o \
fcntl_open.o \
fcntl_read.o \

View File

@ -1,5 +1,5 @@
/*
* $Id: socket_accept.c,v 1.6 2005-02-27 21:58:21 obarthel Exp $
* $Id: socket_accept.c,v 1.7 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -50,7 +50,8 @@
int
accept(int sockfd,struct sockaddr *cliaddr,int *addrlen)
{
struct fd * fd;
struct SignalSemaphore * lock = NULL;
struct fd * fd = NULL;
struct fd * new_fd;
int new_fd_slot_number;
int result = -1;
@ -88,6 +89,8 @@ accept(int sockfd,struct sockaddr *cliaddr,int *addrlen)
if(fd == NULL)
goto out;
__fd_lock(fd);
new_fd_slot_number = __find_vacant_fd_entry();
if(new_fd_slot_number < 0)
{
@ -101,6 +104,19 @@ accept(int sockfd,struct sockaddr *cliaddr,int *addrlen)
assert( new_fd_slot_number >= 0 );
}
#if defined(__THREAD_SAFE)
{
lock = AllocVec(sizeof(*lock),MEMF_ANY|MEMF_PUBLIC);
if(lock == NULL)
{
__set_errno(ENOMEM);
goto out;
}
InitSemaphore(lock);
}
#endif /* __THREAD_SAFE */
PROFILE_OFF();
new_socket_fd = __accept((LONG)fd->fd_DefaultFile,cliaddr,(LONG *)addrlen);
PROFILE_ON();
@ -113,14 +129,20 @@ accept(int sockfd,struct sockaddr *cliaddr,int *addrlen)
new_fd = __fd[new_fd_slot_number];
__initialize_fd(new_fd,__socket_hook_entry,(BPTR)new_socket_fd,FDF_IN_USE | FDF_IS_SOCKET | FDF_READ | FDF_WRITE);
__initialize_fd(new_fd,__socket_hook_entry,(BPTR)new_socket_fd,FDF_IN_USE | FDF_IS_SOCKET | FDF_READ | FDF_WRITE,lock);
lock = NULL;
result = new_fd_slot_number;
out:
__fd_unlock(fd);
__stdio_unlock();
FreeVec(lock);
if(__check_abort_enabled)
__check_abort();

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@ -1,5 +1,5 @@
/*
* $Id: socket_hook_entry.c,v 1.9 2005-02-20 15:46:52 obarthel Exp $
* $Id: socket_hook_entry.c,v 1.10 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -56,6 +56,8 @@ __socket_hook_entry(
assert( fam != NULL && fd != NULL );
__fd_lock(fd);
switch(fam->fam_Action)
{
case file_action_read:
@ -120,6 +122,11 @@ __socket_hook_entry(
}
}
__fd_unlock(fd);
/* Free the lock semaphore now. */
FreeVec(fd->fd_Lock);
/* And that's the last for this file descriptor. */
memset(fd,0,sizeof(*fd));
@ -190,6 +197,8 @@ __socket_hook_entry(
break;
}
__fd_unlock(fd);
RETURN(result);
return(result);
}

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@ -1,5 +1,5 @@
/*
* $Id: socket_init_exit.c,v 1.9 2005-02-20 13:19:40 obarthel Exp $
* $Id: socket_init_exit.c,v 1.10 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -221,6 +221,7 @@ __socket_init(void)
if(TypeOfMem(dm) != 0 && TypeOfMem(((char *)dm) + sizeof(*dm)-1) != 0)
{
struct SignalSemaphore * lock;
int daemon_socket;
struct fd * fd;
int sockfd;
@ -254,6 +255,20 @@ __socket_init(void)
/* Put the socket into the three standard I/O streams. */
for(i = STDIN_FILENO ; i <= STDERR_FILENO ; i++)
{
#if defined(__THREAD_SAFE)
{
lock = AllocVec(sizeof(*lock),MEMF_ANY|MEMF_PUBLIC);
if(lock == NULL)
goto out;
InitSemaphore(lock);
}
#else
{
lock = NULL;
}
#endif /* __THREAD_SAFE */
fd = __fd[i];
assert( fd != NULL && FLAG_IS_CLEAR(fd->fd_Flags,FDF_IN_USE) );
@ -271,13 +286,15 @@ __socket_init(void)
if(sockfd == -1)
{
SHOWMSG("could not duplicate daemon socket");
FreeVec(lock);
__show_error("Network server streams could not be initialized.");
goto out;
}
}
__initialize_fd(fd,__socket_hook_entry,(BPTR)sockfd,FDF_IN_USE | FDF_IS_SOCKET | FDF_READ | FDF_WRITE);
__initialize_fd(fd,__socket_hook_entry,(BPTR)sockfd,FDF_IN_USE | FDF_IS_SOCKET | FDF_READ | FDF_WRITE,lock);
}
/* This program now runs as an internet superserver client (daemon). */

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@ -1,5 +1,5 @@
/*
* $Id: socket_ioctl.c,v 1.6 2005-02-21 10:21:43 obarthel Exp $
* $Id: socket_ioctl.c,v 1.7 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -56,7 +56,7 @@ ioctl(int sockfd,unsigned long request, ... /* char *arg */)
{
va_list arg;
char * param;
struct fd * fd;
struct fd * fd = NULL;
int result = -1;
ENTER();
@ -75,9 +75,11 @@ ioctl(int sockfd,unsigned long request, ... /* char *arg */)
if(fd == NULL)
goto out;
va_start(arg,request);
__fd_lock(fd);
va_start(arg,request);
param = va_arg(arg,char *);
va_end(arg);
SHOWPOINTER(param);
@ -105,10 +107,10 @@ ioctl(int sockfd,unsigned long request, ... /* char *arg */)
}
}
va_end(arg);
out:
__fd_unlock(fd);
if(__check_abort_enabled)
__check_abort();

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@ -1,5 +1,5 @@
/*
* $Id: socket_select.c,v 1.6 2005-02-27 21:58:21 obarthel Exp $
* $Id: socket_select.c,v 1.7 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -592,10 +592,14 @@ select(int num_fds,fd_set *read_fds,fd_set *write_fds,fd_set *except_fds,struct
* to the local copies, which take the files and sockets
* into account.
*/
__stdio_lock();
map_descriptor_sets(read_fds, num_fds, socket_read_fds, num_socket_used, &total_socket_fd, file_read_fds, num_file_used, &total_file_fd);
map_descriptor_sets(write_fds, num_fds, socket_write_fds, num_socket_used, &total_socket_fd, file_write_fds, num_file_used, &total_file_fd);
map_descriptor_sets(except_fds, num_fds, socket_except_fds, num_socket_used, &total_socket_fd, NULL, 0, &total_file_fd);
__stdio_unlock();
/* Wait for socket input? */
if(total_socket_fd > 0)
{
@ -981,9 +985,13 @@ select(int num_fds,fd_set *read_fds,fd_set *write_fds,fd_set *except_fds,struct
{
SHOWMSG("remapping fd_sets");
__stdio_lock();
remap_descriptor_sets(socket_read_fds, total_socket_fd, file_read_fds, total_file_fd, read_fds, num_fds);
remap_descriptor_sets(socket_write_fds, total_socket_fd, file_write_fds, total_file_fd, write_fds, num_fds);
remap_descriptor_sets(socket_except_fds, total_socket_fd, NULL, 0, except_fds, num_fds);
__stdio_unlock();
}
if(__check_abort_enabled)

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@ -1,5 +1,5 @@
/*
* $Id: socket_socket.c,v 1.4 2005-02-27 21:58:21 obarthel Exp $
* $Id: socket_socket.c,v 1.5 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -44,6 +44,7 @@
int
socket(int domain,int type,int protocol)
{
struct SignalSemaphore * lock = NULL;
int result = -1;
struct fd * fd;
int fd_slot_number;
@ -70,6 +71,19 @@ socket(int domain,int type,int protocol)
assert( fd_slot_number >= 0 );
}
#if defined(__THREAD_SAFE)
{
lock = AllocVec(sizeof(*lock),MEMF_ANY|MEMF_PUBLIC);
if(lock == NULL)
{
__set_errno(ENOMEM);
goto out;
}
InitSemaphore(lock);
}
#endif /* __THREAD_SAFE */
PROFILE_OFF();
socket_fd = __socket(domain,type,protocol);
PROFILE_ON();
@ -82,7 +96,9 @@ socket(int domain,int type,int protocol)
fd = __fd[fd_slot_number];
__initialize_fd(fd,__socket_hook_entry,(BPTR)socket_fd,FDF_IN_USE | FDF_IS_SOCKET | FDF_READ | FDF_WRITE);
__initialize_fd(fd,__socket_hook_entry,(BPTR)socket_fd,FDF_IN_USE | FDF_IS_SOCKET | FDF_READ | FDF_WRITE,lock);
lock = NULL;
result = fd_slot_number;
@ -90,6 +106,8 @@ socket(int domain,int type,int protocol)
__stdio_unlock();
FreeVec(lock);
if(__check_abort_enabled)
__check_abort();

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@ -1,5 +1,5 @@
/*
* $Id: stat_fchmod.c,v 1.6 2005-02-21 10:21:44 obarthel Exp $
* $Id: stat_fchmod.c,v 1.7 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -50,7 +50,7 @@ fchmod(int file_descriptor, mode_t mode)
BPTR old_current_dir = ZERO;
BOOL current_dir_changed = FALSE;
int result = -1;
struct fd * fd;
struct fd * fd = NULL;
LONG success;
ENTER();
@ -72,6 +72,8 @@ fchmod(int file_descriptor, mode_t mode)
goto out;
}
__fd_lock(fd);
if(FLAG_IS_SET(fd->fd_Flags,FDF_IS_SOCKET))
{
__set_errno(EINVAL);
@ -159,6 +161,8 @@ fchmod(int file_descriptor, mode_t mode)
out:
__fd_unlock(fd);
if(current_dir_changed)
CurrentDir(old_current_dir);

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@ -1,5 +1,5 @@
/*
* $Id: stdio_duplicate_fd.c,v 1.3 2005-02-20 13:19:40 obarthel Exp $
* $Id: stdio_duplicate_fd.c,v 1.4 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -42,8 +42,10 @@ __duplicate_fd(struct fd * duplicate_fd,struct fd * original_fd)
{
assert( duplicate_fd != NULL && original_fd != NULL );
__fd_lock(original_fd);
/* Initialize the duplicate to match the original. */
__initialize_fd(duplicate_fd,original_fd->fd_Action,original_fd->fd_DefaultFile,original_fd->fd_Flags);
__initialize_fd(duplicate_fd,original_fd->fd_Action,original_fd->fd_DefaultFile,original_fd->fd_Flags,original_fd->fd_Lock);
/* Figure out where the linked list of file descriptors associated
with this one starts. */
@ -55,4 +57,6 @@ __duplicate_fd(struct fd * duplicate_fd,struct fd * original_fd)
/* Add the duplicate at the beginning of the list. */
duplicate_fd->fd_NextLink = duplicate_fd->fd_Original->fd_NextLink;
duplicate_fd->fd_Original->fd_NextLink = duplicate_fd;
__fd_unlock(original_fd);
}

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@ -1,5 +1,5 @@
/*
* $Id: stdio_fdhookentry.c,v 1.14 2005-02-21 10:21:45 obarthel Exp $
* $Id: stdio_fdhookentry.c,v 1.15 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -70,6 +70,8 @@ __fd_hook_entry(
assert( fam != NULL && fd != NULL );
assert( __is_valid_fd(fd) );
__fd_lock(fd);
switch(fam->fam_Action)
{
case file_action_read:
@ -351,6 +353,11 @@ __fd_hook_entry(
}
}
__fd_unlock(fd);
/* Free the lock semaphore now. */
FreeVec(fd->fd_Lock);
/* And that's the last for this file descriptor. */
memset(fd,0,sizeof(*fd));
@ -536,6 +543,8 @@ __fd_hook_entry(
break;
}
__fd_unlock(fd);
if(buffer != NULL)
free(buffer);

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@ -1,5 +1,5 @@
/*
* $Id: stdio_headers.h,v 1.17 2005-02-28 10:07:31 obarthel Exp $
* $Id: stdio_headers.h,v 1.18 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -341,6 +341,8 @@ struct fd
BPTR fd_DefaultFile; /* A dos.library file handle */
LONG fd_Position; /* Cached file position (seek offset). */
fd_cleanup_t fd_Cleanup; /* Cleanup function, if any. */
struct SignalSemaphore * fd_Lock; /* For thread locking */
};
/****************************************************************************/
@ -439,6 +441,11 @@ extern int __stdio_lock_init(void);
/****************************************************************************/
extern void __fd_lock(struct fd *fd);
extern void __fd_unlock(struct fd *fd);
/****************************************************************************/
#else
/****************************************************************************/
@ -450,6 +457,11 @@ extern int __stdio_lock_init(void);
/****************************************************************************/
#define __fd_lock(fd) ((void)0)
#define __fd_unlock(fd) ((void)0)
/****************************************************************************/
#endif /* __THREAD_SAFE */
/****************************************************************************/

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@ -1,5 +1,5 @@
/*
* $Id: stdio_init_exit.c,v 1.20 2005-02-28 10:07:31 obarthel Exp $
* $Id: stdio_init_exit.c,v 1.21 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -66,6 +66,8 @@ __close_all_files(void)
__check_abort_enabled = FALSE;
__stdio_lock();
if(__iob != NULL && __num_iob > 0)
{
for(i = 0 ; i < __num_iob ; i++)
@ -90,6 +92,8 @@ __close_all_files(void)
__fd = NULL;
}
__stdio_unlock();
LEAVE();
}
@ -113,7 +117,8 @@ __stdio_init(void)
{
const int num_standard_files = (STDERR_FILENO-STDIN_FILENO+1);
struct SignalSemaphore * lock;
struct SignalSemaphore * stdio_lock;
struct SignalSemaphore * fd_lock;
BPTR default_file;
ULONG fd_flags,iob_flags;
int result = ERROR;
@ -197,15 +202,24 @@ __stdio_init(void)
{
/* Allocate memory for an arbitration mechanism, then
initialize it. */
lock = AllocVec(sizeof(*lock),MEMF_ANY|MEMF_PUBLIC);
if(lock == NULL)
goto out;
stdio_lock = AllocVec(sizeof(*stdio_lock),MEMF_ANY|MEMF_PUBLIC);
fd_lock = AllocVec(sizeof(*fd_lock),MEMF_ANY|MEMF_PUBLIC);
InitSemaphore(lock);
if(stdio_lock == NULL || fd_lock == NULL)
{
FreeVec(stdio_lock);
FreeVec(fd_lock);
goto out;
}
InitSemaphore(stdio_lock);
InitSemaphore(fd_lock);
}
#else
{
lock = NULL;
stdio_lock = NULL;
fd_lock = NULL;
}
#endif /* __THREAD_SAFE */
@ -223,7 +237,7 @@ __stdio_init(void)
/* Align the buffer start address to a cache line boundary. */
aligned_buffer = (char *)((ULONG)(buffer + (CACHE_LINE_SIZE-1)) & ~(CACHE_LINE_SIZE-1));
__initialize_fd(__fd[i],__fd_hook_entry,default_file,fd_flags);
__initialize_fd(__fd[i],__fd_hook_entry,default_file,fd_flags,fd_lock);
__initialize_iob(__iob[i],__iob_hook_entry,
buffer,
@ -231,7 +245,7 @@ __stdio_init(void)
i,
i,
iob_flags,
lock);
stdio_lock);
}
/* If the program was launched from Workbench, we continue by

View File

@ -1,5 +1,5 @@
/*
* $Id: stdio_initializefd.c,v 1.3 2005-02-20 13:19:40 obarthel Exp $
* $Id: stdio_initializefd.c,v 1.4 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -39,10 +39,11 @@
void
__initialize_fd(
struct fd * fd,
file_action_fd_t action_function,
BPTR default_file,
ULONG flags)
struct fd * fd,
file_action_fd_t action_function,
BPTR default_file,
ULONG flags,
struct SignalSemaphore * lock)
{
assert( fd != NULL && action_function != NULL );
@ -51,4 +52,5 @@ __initialize_fd(
fd->fd_DefaultFile = default_file;
fd->fd_Flags = flags;
fd->fd_Action = action_function;
fd->fd_Lock = lock;
}

View File

@ -1,5 +1,5 @@
/*
* $Id: stdio_protos.h,v 1.10 2005-02-28 10:07:31 obarthel Exp $
* $Id: stdio_protos.h,v 1.11 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -92,7 +92,7 @@ extern int __fd_hook_entry(struct fd * fd,struct file_action_message * fam);
/****************************************************************************/
/* stdio_initializefd.c */
extern void __initialize_fd(struct fd * fd,file_action_fd_t action_function,BPTR default_file,ULONG flags);
extern void __initialize_fd(struct fd * fd,file_action_fd_t action_function,BPTR default_file,ULONG flags,struct SignalSemaphore * lock);
/****************************************************************************/

View File

@ -1,5 +1,5 @@
/*
* $Id: stdio_remove_fd_alias.c,v 1.1 2005-02-20 13:19:40 obarthel Exp $
* $Id: stdio_remove_fd_alias.c,v 1.2 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -42,6 +42,8 @@ __remove_fd_alias(struct fd * fd)
{
assert( fd != NULL );
__stdio_lock();
if(fd->fd_Original != NULL) /* this is an alias */
{
struct fd * list_fd;
@ -78,4 +80,6 @@ __remove_fd_alias(struct fd * fd)
list_fd->fd_Original = first_alias;
}
}
__stdio_unlock();
}

View File

@ -1,5 +1,5 @@
/*
* $Id: unistd_fchown.c,v 1.6 2005-02-21 10:22:02 obarthel Exp $
* $Id: unistd_fchown.c,v 1.7 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -49,7 +49,7 @@ fchown(int file_descriptor, uid_t owner, gid_t group)
BPTR old_current_dir = ZERO;
BOOL current_dir_changed = FALSE;
int result = -1;
struct fd * fd;
struct fd * fd = NULL;
LONG success;
ENTER();
@ -72,6 +72,8 @@ fchown(int file_descriptor, uid_t owner, gid_t group)
goto out;
}
__fd_lock(fd);
if(FLAG_IS_SET(fd->fd_Flags,FDF_IS_SOCKET))
{
__set_errno(EINVAL);
@ -163,6 +165,8 @@ fchown(int file_descriptor, uid_t owner, gid_t group)
out:
__fd_unlock(fd);
PROFILE_OFF();
UnLock(parent_dir);

View File

@ -1,5 +1,5 @@
/*
* $Id: unistd_ftruncate.c,v 1.5 2005-02-18 18:53:17 obarthel Exp $
* $Id: unistd_ftruncate.c,v 1.6 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -46,7 +46,7 @@ ftruncate(int file_descriptor, off_t length)
{
D_S(struct FileInfoBlock,fib);
int result = -1;
struct fd * fd;
struct fd * fd = NULL;
long int position;
BOOL success;
@ -69,6 +69,8 @@ ftruncate(int file_descriptor, off_t length)
goto out;
}
__fd_lock(fd);
if(FLAG_IS_SET(fd->fd_Flags,FDF_IS_SOCKET))
{
__set_errno(EINVAL);
@ -145,6 +147,8 @@ ftruncate(int file_descriptor, off_t length)
out:
__fd_unlock(fd);
RETURN(result);
return(result);
}

View File

@ -1,5 +1,5 @@
/*
* $Id: unistd_sync_fd.c,v 1.1 2005-02-18 18:53:17 obarthel Exp $
* $Id: unistd_sync_fd.c,v 1.2 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@ -52,6 +52,8 @@ __sync_fd(struct fd * fd,int mode)
{
assert( fd != NULL );
__fd_lock(fd);
if(fd->fd_DefaultFile != ZERO)
{
/* The mode tells us what to flush. 0 means "flush just the data", and
@ -67,4 +69,6 @@ __sync_fd(struct fd * fd,int mode)
DoPkt(fh->fh_Type,ACTION_FLUSH, 0,0,0,0,0);
}
}
__fd_unlock(fd);
}