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Fix __fp_lock_all() and __fp_unlock_all() 

For _REENT_GLOBAL_STDIO_STREAMS, lock/unlock all FILE objects.  In the
repository, this function is only used by Cygwin during process forks.  Since
Cygwin enabled _REENT_GLOBAL_STDIO_STREAMS recently, without this fix no FILE
object at all was locked.
This commit is contained in:
Sebastian Huber 2022-05-18 13:26:13 +02:00
parent aa460cc0ca
commit c4d4439c42
1 changed files with 4 additions and 0 deletions
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4
newlib/libc/stdio/findfp.c
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@ -329,6 +329,8 @@ __fp_lock_all (void)
#ifndef _REENT_GLOBAL_STDIO_STREAMS #ifndef _REENT_GLOBAL_STDIO_STREAMS
ptr = _REENT; ptr = _REENT;
(void) _fwalk_sglue (ptr, __fp_lock, &ptr->__sglue); (void) _fwalk_sglue (ptr, __fp_lock, &ptr->__sglue);
#else
(void) _fwalk_sglue (NULL, __fp_lock, &__sglue);
#endif #endif
} }
@ -340,6 +342,8 @@ __fp_unlock_all (void)
ptr = _REENT; ptr = _REENT;
(void) _fwalk_sglue (ptr, __fp_unlock, &ptr->__sglue); (void) _fwalk_sglue (ptr, __fp_unlock, &ptr->__sglue);
#else
(void) _fwalk_sglue (NULL, __fp_unlock, &__sglue);
#endif #endif
__sfp_lock_release (); __sfp_lock_release ();