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-rw-r--r--libc/stdio/stdio.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/libc/stdio/stdio.c b/libc/stdio/stdio.c
index 45cd0b8ec..eb2961f37 100644
--- a/libc/stdio/stdio.c
+++ b/libc/stdio/stdio.c
@@ -198,7 +198,15 @@ char _free_buffer_index = FIXED_BUFFERS;
*/
void __stdio_flush_buffers(void)
{
- fflush(NULL); /* Files will be closed on _exit call. */
+ FILE *fp;
+ for (fp = __IO_list; fp; fp = fp->next) {
+ if (WRITEABLE(fp)) {
+ /* Set the underlying fd to non-block mode to ensure
+ * that calls to _exit() and abort() will not block */
+ fcntl(fp->fd, F_SETFL, O_NONBLOCK);
+ fflush(fp);
+ }
+ }
}
/*