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2003-09-04  Jakub Jelinek  <jakub@redhat.com>

	* libio/fileops.c (_IO_file_read, _IO_new_file_write): Add
	__builtin_expect.
	(_IO_file_open): Likewise.  Use close_not_cancel.
This commit is contained in:
Ulrich Drepper 2003-09-04 08:53:13 +00:00
parent ee8449f729
commit e3c54d8055
2 changed files with 12 additions and 5 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2003-09-04 Jakub Jelinek <jakub@redhat.com>
* libio/fileops.c (_IO_file_read, _IO_new_file_write): Add
__builtin_expect.
(_IO_file_open): Likewise. Use close_not_cancel.
2003-09-04 Ulrich Drepper <drepper@redhat.com>
* libio/libio.h: Define _IO_FLAGS2_NOTCANCEL.

11
libio/fileops.c
View File

@ -226,7 +226,7 @@ _IO_file_open (fp, filename, posix_mode, prot, read_write, is32not64)
{
int fdesc;
#ifdef _LIBC
if (fp->_flags2 & _IO_FLAGS2_NOTCANCEL)
if (__builtin_expect (fp->_flags2 & _IO_FLAGS2_NOTCANCEL, 0))
fdesc = open_not_cancel (filename,
posix_mode | (is32not64 ? 0 : O_LARGEFILE), prot);
else
@ -242,7 +242,7 @@ _IO_file_open (fp, filename, posix_mode, prot, read_write, is32not64)
if (_IO_SEEKOFF (fp, (_IO_off64_t)0, _IO_seek_end, _IOS_INPUT|_IOS_OUTPUT)
== _IO_pos_BAD && errno != ESPIPE)
{
close (fdesc);
close_not_cancel (fdesc);
return NULL;
}
INTUSE(_IO_link_in) ((struct _IO_FILE_plus *) fp);
@ -292,7 +292,7 @@ _IO_new_file_fopen (fp, filename, mode, is32not64)
#ifdef _LIBC
last_recognized = mode;
#endif
for (i = 1; i < 5; ++i)
for (i = 1; i < 6; ++i)
{
switch (*++mode)
{
@ -1204,7 +1204,7 @@ _IO_file_read (fp, buf, size)
void *buf;
_IO_ssize_t size;
{
return ((fp->_flags2 & _IO_FLAGS2_NOTCANCEL)
return (__builtin_expect (fp->_flags2 & _IO_FLAGS2_NOTCANCEL, 0)
? read_not_cancel (fp->_fileno, buf, size)
: read (fp->_fileno, buf, size));
}
@ -1268,7 +1268,8 @@ _IO_new_file_write (f, data, n)
_IO_ssize_t to_do = n;
while (to_do > 0)
{
_IO_ssize_t count = ((f->_flags2 & _IO_FLAGS2_NOTCANCEL)
_IO_ssize_t count = (__builtin_expect (f->_flags2
& _IO_FLAGS2_NOTCANCEL, 0)
? write_not_cancel (f->_fileno, data, to_do)
: write (f->_fileno, data, to_do));
if (count < 0)