lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-01 10:06:57 +03:00
Code Activity

Update.

Browse Source 
* sysdeps/unix/sysv/linux/cmsg_nxthdr.c (__cmsg_nxthdr): Correct
	test for cmsg struct size.
	* sysdeps/unix/sysv/linux/bits/socket.h (__cmsg_nxthdr): Likewise.

	* sysdeps/unix/sysv/linux/i386/makecontext.S: Remove unnecessary
	initializations.

	* libio/oldiopopen.c: Add lock for old_proc_file_chain access.
This commit is contained in:
Ulrich Drepper
2001-07-31 20:32:01 +00:00
parent 34183f57d7
commit ad71126b24
8 changed files with 66 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
libio/oldiopopen.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1998,99,2000 Free Software Foundation, Inc.
/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Per Bothner <bothner@cygnus.com>.
@ -109,6 +109,16 @@ typedef struct _IO_proc_file _IO_proc_file;
static struct _IO_proc_file *old_proc_file_chain;
#ifdef _IO_MTSAFE_IO
static _IO_lock_t proc_file_chain_lock = _IO_lock_initializer;
static void
unlock (void *not_used)
{
_IO_lock_unlock (proc_file_chain_lock);
}
#endif
_IO_FILE *
_IO_old_proc_open (fp, command, mode)
_IO_FILE *fp;
@ -173,8 +183,16 @@ _IO_old_proc_open (fp, command, mode)
_IO_fileno (fp) = parent_end;
/* Link into old_proc_file_chain. */
#ifdef _IO_MTSFE_IO
_IO_cleanup_region_start_noarg (unlock);
_IO_lock_lock (proc_file_chain_lock);
#endif
((_IO_proc_file *) fp)->next = old_proc_file_chain;
old_proc_file_chain = (_IO_proc_file *) fp;
#ifdef _IO_MTSFE_IO
_IO_lock_unlock (proc_file_chain_lock);
_IO_cleanup_region_end (0);
#endif
_IO_mask_flags (fp, read_or_write, _IO_NO_READS|_IO_NO_WRITES);
return fp;
@ -229,6 +247,10 @@ _IO_old_proc_close (fp)
int status = -1;
/* Unlink from old_proc_file_chain. */
#ifdef _IO_MTSFE_IO
_IO_cleanup_region_start_noarg (unlock);
_IO_lock_lock (proc_file_chain_lock);
#endif
for ( ; *ptr != NULL; ptr = &(*ptr)->next)
{
if (*ptr == (_IO_proc_file *) fp)
@ -238,6 +260,10 @@ _IO_old_proc_close (fp)
break;
}
}
#ifdef _IO_MTSFE_IO
_IO_lock_unlock (proc_file_chain_lock);
_IO_cleanup_region_end (0);
#endif
if (status < 0 || _IO_close (_IO_fileno(fp)) < 0)
return -1;