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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2021-05-06 16:01:15 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2021-05-10 23:35:44 -0300
commite874d3d189f355fdf0e9ef9c0d0f493c6cf767be (patch)
tree50c4ae4ce2b0691961672c1a0ebf5286d84cabbc /stdio-common
parent7b4e7ca9db350b53cc88ff3d0bc99279225f5cc7 (diff)
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linux: Move ftrylockfile/_IO_ftrylockfile into libc
The nptl version is used as default, since now with symbol always present the single-thread optimization is tricky. Hurd is not change, it is used it own lock scheme (which call _cthreads_ftrylockfile). Checked on x86_64-linux-gnu.
Diffstat (limited to 'stdio-common')
-rw-r--r--stdio-common/ftrylockfile.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/stdio-common/ftrylockfile.c b/stdio-common/ftrylockfile.c
index 4f7e2dd..f7e2ef6 100644
--- a/stdio-common/ftrylockfile.c
+++ b/stdio-common/ftrylockfile.c
@@ -17,14 +17,13 @@
<https://www.gnu.org/licenses/>. */
#include <stdio.h>
-
-#undef _IO_ftrylockfile
+#include <stdio-lock.h>
+#include <sys/single_threaded.h>
int
__ftrylockfile (FILE *stream)
{
- /* Do nothing. Using this version does not do any locking. */
- return 1;
+ return _IO_lock_trylock (*stream->_lock);
}
weak_alias (__ftrylockfile, ftrylockfile);
weak_alias (__ftrylockfile, _IO_ftrylockfile)