diff options
| -rw-r--r-- | libc/stdio/stdio.c | 10 |
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); + } + } } /* |