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apps/examples/fstest: Ignore EINTR errors while reading or writing.

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This commit is contained in:
Gregory Nutt 2018-09-29 07:42:37 -06:00
parent 4e6b356123
commit 8b632d42b5
1 changed files with 44 additions and 32 deletions
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14
examples/fstest/fstest_main.c
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@ -1,7 +1,7 @@
/**************************************************************************** /****************************************************************************
* examples/fstest/fstest_main.c * examples/fstest/fstest_main.c
* *
* Copyright (C) 2015 Gregory Nutt. All rights reserved. * Copyright (C) 2015, 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org> * Author: Gregory Nutt <gnutt@nuttx.org>
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -446,6 +446,10 @@ static inline int fstest_wrfile(FAR struct fstest_filedesc_s *file)
printf(" Write size: %ld\n", (long)nbytestowrite); printf(" Write size: %ld\n", (long)nbytestowrite);
ret = ERROR; ret = ERROR;
} }
else if (errcode == EINTR)
{
continue;
}
else else
{ {
int ret2; int ret2;
@ -546,8 +550,14 @@ static ssize_t fstest_rdblock(int fd, FAR struct fstest_filedesc_s *file,
len = maxio; len = maxio;
} }
for (; ; )
{
nbytesread = read(fd, &g_fileimage[offset], len); nbytesread = read(fd, &g_fileimage[offset], len);
if (nbytesread < 0) if (nbytesread < 0)
{
int errcode = errno;
if (errcode != EINTR)
{ {
printf("ERROR: Failed to read file: %d\n", errno); printf("ERROR: Failed to read file: %d\n", errno);
printf(" File name: %s\n", file->name); printf(" File name: %s\n", file->name);
@ -556,6 +566,7 @@ static ssize_t fstest_rdblock(int fd, FAR struct fstest_filedesc_s *file,
printf(" Read size: %ld\n", (long)len); printf(" Read size: %ld\n", (long)len);
return ERROR; return ERROR;
} }
}
else if (nbytesread == 0) else if (nbytesread == 0)
{ {
#if 0 /* No... we do this on purpose sometimes */ #if 0 /* No... we do this on purpose sometimes */
@ -579,6 +590,7 @@ static ssize_t fstest_rdblock(int fd, FAR struct fstest_filedesc_s *file,
return nbytesread; return nbytesread;
} }
}
/**************************************************************************** /****************************************************************************
* Name: fstest_rdfile * Name: fstest_rdfile