diff options
| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-09 15:27:47 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-09 15:27:47 +0000 |
| commit | cb4bc1a2f49306879ecee08f0644300f0037d92c (patch) | |
| tree | c299739a5089f9fb3cbc902726f66fdc7a9c708a /nuttx/lib | |
| parent | 3551ee48a7f52425e953d4a3ea7bc2fd3b2a62ff (diff) | |
| download | px4-nuttx-cb4bc1a2f49306879ecee08f0644300f0037d92c.tar.gz px4-nuttx-cb4bc1a2f49306879ecee08f0644300f0037d92c.tar.bz2 px4-nuttx-cb4bc1a2f49306879ecee08f0644300f0037d92c.zip | |
Debug instrumentation
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@47 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/lib')
| -rw-r--r-- | nuttx/lib/lib_fflush.c | 7 | ||||
| -rw-r--r-- | nuttx/lib/lib_init.c | 2 |
2 files changed, 8 insertions, 1 deletions
diff --git a/nuttx/lib/lib_fflush.c b/nuttx/lib/lib_fflush.c index d0f74bd2b..e7f4e6960 100644 --- a/nuttx/lib/lib_fflush.c +++ b/nuttx/lib/lib_fflush.c @@ -91,6 +91,7 @@ void lib_flushall(FAR struct streamlist *list) { /* Make sure that there are streams associated with this thread */ + if (list) { int i; @@ -131,6 +132,10 @@ int fflush(FILE *stream) return ERROR; } + /* Make sure that we have exclusive access to the stream */ + + lib_take_semaphore(stream); + /* How many bytes are used in the buffer now */ nbuffer = stream->fs_bufpos - stream->fs_bufstart; @@ -141,6 +146,7 @@ int fflush(FILE *stream) bytes_written = write(stream->fs_filedes, src, nbuffer); if (bytes_written < 0) { + lib_give_semaphore(stream); return bytes_written; } @@ -166,6 +172,7 @@ int fflush(FILE *stream) /* Return the number of bytes remaining in the buffer */ + lib_give_semaphore(stream); return stream->fs_bufpos - stream->fs_bufstart; #else return 0; diff --git a/nuttx/lib/lib_init.c b/nuttx/lib/lib_init.c index 90ccc358b..d6eb5f0a4 100644 --- a/nuttx/lib/lib_init.c +++ b/nuttx/lib/lib_init.c @@ -166,7 +166,7 @@ void lib_releaselist(FAR struct streamlist *list) /* Decrement the reference count */ _lib_semtake(list); - crefs = --list->sl_crefs; + crefs = --(list->sl_crefs); _lib_semgive(list); /* If the count decrements to zero, then there is no reference |