From 0f30d227497418c6d3bef7d52244407e30454504 Mon Sep 17 00:00:00 2001 From: Kacper Date: Mon, 22 Dec 2025 23:27:56 +0100 Subject: Added c11 threads, fixed some locks and add *_unlocked functions --- lib/libc/stdio/ftrylockfile.c | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 lib/libc/stdio/ftrylockfile.c (limited to 'lib/libc/stdio/ftrylockfile.c') diff --git a/lib/libc/stdio/ftrylockfile.c b/lib/libc/stdio/ftrylockfile.c new file mode 100644 index 00000000..b8f89e4b --- /dev/null +++ b/lib/libc/stdio/ftrylockfile.c @@ -0,0 +1,11 @@ +#include <__stdio.h> +#include +#include + +int ftrylockfile(FILE *file) +{ + if (file == NULL) + return -1; + + return atomic_flag_test_and_set_explicit(&file->lock, memory_order_acquire) ? 1 : 0; +} -- cgit v1.2.3