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author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-05-06 16:01:15 -0300 |
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committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-05-10 23:35:44 -0300 |
commit | e874d3d189f355fdf0e9ef9c0d0f493c6cf767be (patch) | |
tree | 50c4ae4ce2b0691961672c1a0ebf5286d84cabbc /stdio-common/ftrylockfile.c | |
parent | 7b4e7ca9db350b53cc88ff3d0bc99279225f5cc7 (diff) | |
download | glibc-e874d3d189f355fdf0e9ef9c0d0f493c6cf767be.tar.gz glibc-e874d3d189f355fdf0e9ef9c0d0f493c6cf767be.tar.xz glibc-e874d3d189f355fdf0e9ef9c0d0f493c6cf767be.zip |
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/ftrylockfile.c')
-rw-r--r-- | stdio-common/ftrylockfile.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/stdio-common/ftrylockfile.c b/stdio-common/ftrylockfile.c index 4f7e2dd617..f7e2ef6137 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) |