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ntdll: Use a pthread mutex for the current directory section. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-07-13 18:45:15 +02:00
parent d7ef680e95
commit 85db4f7ec2
1 changed files with 7 additions and 15 deletions
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22
dlls/ntdll/unix/file.c
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@ -240,15 +240,7 @@ static const BOOL is_case_sensitive = FALSE;
static struct file_identity windir;
static RTL_CRITICAL_SECTION dir_section;
static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &dir_section,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": dir_section") }
};
static RTL_CRITICAL_SECTION dir_section = { &critsect_debug, -1, 0, 0, 0, 0 };
static pthread_mutex_t dir_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t mnt_mutex = PTHREAD_MUTEX_INITIALIZER;
/* check if a given Unicode char is OK in a DOS short name */
@ -2473,7 +2465,7 @@ NTSTATUS WINAPI NtQueryDirectoryFile( HANDLE handle, HANDLE event, PIO_APC_ROUTI
io->Information = 0;
RtlEnterCriticalSection( &dir_section );
pthread_mutex_lock( &dir_mutex );
cwd = open( ".", O_RDONLY );
if (fchdir( fd ) != -1)
@ -2500,7 +2492,7 @@ NTSTATUS WINAPI NtQueryDirectoryFile( HANDLE handle, HANDLE event, PIO_APC_ROUTI
}
else status = STATUS_ACCESS_DENIED;
RtlLeaveCriticalSection( &dir_section );
pthread_mutex_unlock( &dir_mutex );
if (needs_close) close( fd );
if (cwd != -1) close( cwd );
@ -3064,7 +3056,7 @@ static NTSTATUS file_id_to_unix_file_name( const OBJECT_ATTRIBUTES *attr, char *
goto done;
}
RtlEnterCriticalSection( &dir_section );
pthread_mutex_lock( &dir_mutex );
if ((old_cwd = open( ".", O_RDONLY )) != -1 && fchdir( root_fd ) != -1)
{
/* shortcut for ".." */
@ -3085,7 +3077,7 @@ static NTSTATUS file_id_to_unix_file_name( const OBJECT_ATTRIBUTES *attr, char *
if (fchdir( old_cwd ) == -1) chdir( "/" );
}
else status = STATUS_ACCESS_DENIED;
RtlLeaveCriticalSection( &dir_section );
pthread_mutex_unlock( &dir_mutex );
if (old_cwd != -1) close( old_cwd );
done:
@ -3258,7 +3250,7 @@ static NTSTATUS nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES *attr, char *
}
else
{
RtlEnterCriticalSection( &dir_section );
pthread_mutex_lock( &dir_mutex );
if ((old_cwd = open( ".", O_RDONLY )) != -1 && fchdir( root_fd ) != -1)
{
status = lookup_unix_name( name, name_len, &unix_name, unix_len, 1,
@ -3266,7 +3258,7 @@ static NTSTATUS nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES *attr, char *
if (fchdir( old_cwd ) == -1) chdir( "/" );
}
else status = STATUS_ACCESS_DENIED;
RtlLeaveCriticalSection( &dir_section );
pthread_mutex_unlock( &dir_mutex );
if (old_cwd != -1) close( old_cwd );
if (needs_close) close( root_fd );
}