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2005-02-07 Jeff Johnston <jjohnstn@redhat.com>

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* libc/stdio/findfp.c (__sinit): Protect with new lock.
        (__sinit_lock): New lock.
        (__sinit_lock_acquire, __sinit_lock_release): New functions.
        * libc/stdio/local.h: Add reference to new __sinit locking
        functions.
This commit is contained in:
Jeff Johnston 2005-02-08 01:05:50 +00:00
parent b59cab1e2e
commit 3d91567088
3 changed files with 34 additions and 0 deletions
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8
newlib/ChangeLog
View File

@ -1,3 +1,11 @@
2005-02-07 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdio/findfp.c (__sinit): Protect with new lock.
(__sinit_lock): New lock.
(__sinit_lock_acquire, __sinit_lock_release): New functions.
* libc/stdio/local.h: Add reference to new __sinit locking
functions.
2005-02-07 Jeff Johnston <jjohnstn@redhat.com>
* libc/include/math.h (isfinite, isnormal, isunordered): Change

22
newlib/libc/stdio/findfp.c
View File

@ -163,6 +163,14 @@ _VOID
_DEFUN(__sinit, (s),
struct _reent *s)
{
__sinit_lock_acquire ();
if (s->__sdidinit)
{
__sinit_lock_release ();
return;
}
/* make sure we clean up on exit */
s->__cleanup = _cleanup_r; /* conservative */
s->__sdidinit = 1;
@ -192,11 +200,13 @@ _DEFUN(__sinit, (s),
std (s->_stderr, __SWR | __SNBF, 2, s);
__sinit_lock_release ();
}
#ifndef __SINGLE_THREAD__
__LOCK_INIT_RECURSIVE(static, __sfp_lock);
__LOCK_INIT_RECURSIVE(static, __sinit_lock);
_VOID
_DEFUN_VOID(__sfp_lock_acquire)
@ -210,6 +220,18 @@ _DEFUN_VOID(__sfp_lock_release)
__lock_release_recursive (__sfp_lock);
}
_VOID
_DEFUN_VOID(__sinit_lock_acquire)
{
__lock_acquire_recursive (__sinit_lock);
}
_VOID
_DEFUN_VOID(__sinit_lock_release)
{
__lock_release_recursive (__sinit_lock);
}
/* Walkable file locking routine. */
static int
_DEFUN(__fp_lock, (ptr),

4
newlib/libc/stdio/local.h
View File

@ -95,7 +95,11 @@ char *_EXFUN(_llicvt,(char *, long long, char));
#ifdef __SINGLE_THREAD__
#define __sfp_lock_acquire()
#define __sfp_lock_release()
#define __sinit_lock_acquire()
#define __sinit_lock_release()
#else
_VOID _EXFUN(__sfp_lock_acquire,(_VOID));
_VOID _EXFUN(__sfp_lock_release,(_VOID));
_VOID _EXFUN(__sinit_lock_acquire,(_VOID));
_VOID _EXFUN(__sinit_lock_release,(_VOID));
#endif