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setvbuf: Add support for disabling I/O buffering. Initially cut; untested.

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This commit is contained in:
Gregory Nutt
2017-02-09 09:24:44 -06:00
parent e6558df4ad
commit 1d290c2b37
72 changed files with 461 additions and 330 deletions
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arch/misoc/src/lm32/lm32_exit.c
+11 -6
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@@ -108,13 +108,18 @@ static void _up_dumponexit(FAR struct tcb_s *tcb, FAR void *arg)
struct file_struct *filep = &streamlist->sl_streams[i];
if (filep->fs_fd >= 0)
{
#if CONFIG_STDIO_BUFFER_SIZE > 0
sinfo(" fd=%d nbytes=%d\n",
filep->fs_fd,
filep->fs_bufpos - filep->fs_bufstart);
#else
sinfo(" fd=%d\n", filep->fs_fd);
#ifndef CONFIG_STDIO_DISABLE_BUFFERING
if (filep->fs_bufstart != NULL)
{
sinfo(" fd=%d nbytes=%d\n",
filep->fs_fd,
filep->fs_bufpos - filep->fs_bufstart);
}
else
#endif
{
sinfo(" fd=%d\n", filep->fs_fd);
}
}
}
#endif