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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2008-03-11 21:48:38 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2008-03-11 21:48:38 +0100 |
| commit | d9016f7cced7c0a1168a56386e0d113c782072a7 (patch) | |
| tree | 40b2a770dd0b10721c29fc6046ba754f1afaed95 /arch/sandbox/lib/common.c | |
| parent | ecc241774aa7c8c00d0c6f2f382867a0e9b456b1 (diff) | |
| download | barebox-d9016f7cced7c0a1168a56386e0d113c782072a7.tar.gz barebox-d9016f7cced7c0a1168a56386e0d113c782072a7.tar.xz | |
do not sleep if read gets EAGAIN. Must be some testing leftover
Diffstat (limited to 'arch/sandbox/lib/common.c')
| -rw-r--r-- | arch/sandbox/lib/common.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sandbox/lib/common.c b/arch/sandbox/lib/common.c index 21ec720d7c..ee2a93ce54 100644 --- a/arch/sandbox/lib/common.c +++ b/arch/sandbox/lib/common.c @@ -97,7 +97,7 @@ int linux_tstc(int fd) /* * We set the timeout here to 100us, because otherwise * U-Boot would eat all cpu resources while waiting - * for input. + * for input. */ ret = select(fd + 1, &rfds, NULL, NULL, &tv); @@ -166,7 +166,7 @@ int linux_read(int fd, void *buf, size_t count) reset_cpu(0); } else if (ret == -1) { if (errno == EAGAIN) - usleep(100); + return -errno; else if (errno == EINTR) continue; else { |