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Diffstat (limited to 'newlib/libc/stdio64/freopen64.c')
-rw-r--r--newlib/libc/stdio64/freopen64.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/newlib/libc/stdio64/freopen64.c b/newlib/libc/stdio64/freopen64.c
index 1e2ec7827..db0e1ee0f 100644
--- a/newlib/libc/stdio64/freopen64.c
+++ b/newlib/libc/stdio64/freopen64.c
@@ -100,11 +100,20 @@ _DEFUN (_freopen64_r, (ptr, file, mode, fp),
CHECK_INIT (ptr, fp);
- _flockfile(fp);
+ /* We can't use the _newlib_flockfile_XXX macros here due to the
+ interlocked locking with the sfp_lock. */
+#if !defined (__SINGLE_THREAD__) && defined (_POSIX_THREADS)
+ int __oldcancel;
+ pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &__oldcancel);
+#endif
+ _flockfile (fp);
if ((flags = __sflags (ptr, mode, &oflags)) == 0)
{
- _funlockfile(fp);
+ _funlockfile (fp);
+#if !defined (__SINGLE_THREAD__) && defined (_POSIX_THREADS)
+ pthread_setcancelstate (__oldcancel, &__oldcancel);
+#endif
_fclose_r (ptr, fp);
return NULL;
}
@@ -205,11 +214,14 @@ _DEFUN (_freopen64_r, (ptr, file, mode, fp),
__sfp_lock_acquire ();
fp->_flags = 0; /* set it free */
ptr->_errno = e; /* restore in case _close clobbered */
- _funlockfile(fp);
+ _funlockfile (fp);
#ifndef __SINGLE_THREAD__
__lock_close_recursive (fp->_lock);
#endif
__sfp_lock_release ();
+#if !defined (__SINGLE_THREAD__) && defined (_POSIX_THREADS)
+ pthread_setcancelstate (__oldcancel, &__oldcancel);
+#endif
return NULL;
}
@@ -229,7 +241,10 @@ _DEFUN (_freopen64_r, (ptr, file, mode, fp),
fp->_flags |= __SL64;
- _funlockfile(fp);
+ _funlockfile (fp);
+#if !defined (__SINGLE_THREAD__) && defined (_POSIX_THREADS)
+ pthread_setcancelstate (__oldcancel, &__oldcancel);
+#endif
return fp;
}