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1999-07-09  Ulrich Drepper  <drepper@cygnus.com>

	* stdio-common/vfprintf.c (buffered_vfprintf): Add locking.
This commit is contained in:
Ulrich Drepper
1999-07-09 22:22:21 +00:00
parent fbb802fc7d
commit 5ef2d37b33
4 changed files with 20 additions and 4 deletions
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12
stdio-common/vfprintf.c
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@@ -1886,6 +1886,10 @@ buffered_vfprintf (register _IO_FILE *s, const CHAR_T *format,
/* Now print to helper instead. */
result = vfprintf (hp, format, args);
/* Lock stream. */
__libc_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, s);
_IO_flockfile (s);
/* Now flush anything from the helper to the S. */
#ifdef COMPILE_WPRINTF
if ((to_flush = (hp->_wide_data->_IO_write_ptr
@@ -1893,16 +1897,20 @@ buffered_vfprintf (register _IO_FILE *s, const CHAR_T *format,
{
if ((int) _IO_sputn (s, hp->_wide_data->_IO_write_base, to_flush)
!= to_flush)
return -1;
result = -1;
}
#else
if ((to_flush = hp->_IO_write_ptr - hp->_IO_write_base) > 0)
{
if ((int) _IO_sputn (s, hp->_IO_write_base, to_flush) != to_flush)
return -1;
result = -1;
}
#endif
/* Unlock the stream. */
_IO_funlockfile (s);
__libc_cleanup_region_end (0);
return result;
}