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* include/sys/stdio.h (_flockfile): Don't try to lock a FILE

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that has the __SSTR flag set.
	(_ftrylockfile): Likewise.
	(_funlockfile): Likewise.
This commit is contained in:
Brian Dessent
2007-09-06 18:47:44 +00:00
parent b95701711b
commit 1eb76b8f84
2 changed files with 16 additions and 3 deletions
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12
winsup/cygwin/include/sys/stdio.h
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@ -14,15 +14,21 @@ details. */
#include <sys/cdefs.h>
#include <sys/lock.h>
/* These definitions should be kept in sync with those in the newlib
header of the same name (newlib/libc/include/sys/stdio.h). */
#if !defined(__SINGLE_THREAD__)
# if !defined(_flockfile)
# define _flockfile(fp) __cygwin_lock_lock ((_LOCK_T *)&(fp)->_lock)
# define _flockfile(fp) ({ if (!((fp)->_flags & __SSTR)) \
__cygwin_lock_lock ((_LOCK_T *)&(fp)->_lock); })
# endif
# if !defined(_ftrylockfile)
# define _ftrylockfile(fp) __cygwin_lock_trylock ((_LOCK_T *)&(fp)->_lock)
# define _ftrylockfile(fp) (((fp)->_flags & __SSTR) ? 0 : \
__cygwin_lock_trylock ((_LOCK_T *)&(fp)->_lock))
# endif
# if !defined(_funlockfile)
# define _funlockfile(fp) __cygwin_lock_unlock ((_LOCK_T *)&(fp)->_lock)
# define _funlockfile(fp) ({ if (!((fp)->_flags & __SSTR)) \
__cygwin_lock_unlock ((_LOCK_T *)&(fp)->_lock); })
# endif
#endif