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gnupg
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estream: Add debug code to the lock functions. 

* common/estream.c (dbg_lock_0, dbg_lock_1, dbg_lock_1): New.
This commit is contained in:
Werner Koch 2014-04-15 16:40:48 +02:00
parent 39e91a5f0a
commit aeb81727c7
1 changed files with 39 additions and 3 deletions
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42
common/estream.c
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@ -343,12 +343,26 @@ map_w32_to_errno (DWORD w32_err)
/*
* Lock wrappers
*/
#if 0
# define dbg_lock_0(f) fprintf (stderr, "estream: " f);
# define dbg_lock_1(f, a) fprintf (stderr, "estream: " f, (a));
# define dbg_lock_2(f, a, b) fprintf (stderr, "estream: " f, (a), (b));
#else
# define dbg_lock_0(f)
# define dbg_lock_1(f, a)
# define dbg_lock_2(f, a, b)
#endif
static int
init_stream_lock (estream_t ES__RESTRICT stream)
{
#ifdef HAVE_NPTH
return npth_mutex_init (&stream->intern->lock, NULL);
int rc;
dbg_lock_1 ("enter init_stream_lock for %p\n", stream);
rc = npth_mutex_init (&stream->intern->lock, NULL);
dbg_lock_2 ("leave init_stream_lock for %p: rc=%d\n", stream, rc);
return rc;
#else
(void)stream;
return 0;
@ -360,7 +374,9 @@ static void
lock_stream (estream_t ES__RESTRICT stream)
{
#ifdef HAVE_NPTH
dbg_lock_1 ("enter lock_stream for %p\n", stream);
npth_mutex_lock (&stream->intern->lock);
dbg_lock_1 ("leave lock_stream for %p\n", stream);
#else
(void)stream;
#endif
@ -371,7 +387,12 @@ static int
trylock_stream (estream_t ES__RESTRICT stream)
{
#ifdef HAVE_NPTH
return npth_mutex_trylock (&stream->intern->lock)? 0 : -1;
int rc;
dbg_lock_1 ("enter trylock_stream for %p\n", stream);
rc = npth_mutex_trylock (&stream->intern->lock)? 0 : -1;
dbg_lock_2 ("leave trylock_stream for %p: rc=%d\n", stream, rc);
return rc;
#else
(void)stream;
return 0;
@ -383,7 +404,9 @@ static void
unlock_stream (estream_t ES__RESTRICT stream)
{
#ifdef HAVE_NPTH
dbg_lock_1 ("enter unlock_stream for %p\n", stream);
npth_mutex_unlock (&stream->intern->lock);
dbg_lock_1 ("leave unlock_stream for %p\n", stream);
#else
(void)stream;
#endif
@ -394,7 +417,12 @@ static int
init_list_lock (void)
{
#ifdef HAVE_NPTH
return npth_mutex_init (&estream_list_lock, NULL);
int rc;
dbg_lock_0 ("enter init_list_lock\n");
rc = npth_mutex_init (&estream_list_lock, NULL);
dbg_lock_1 ("leave init_list_lock: rc=%d\n", rc);
return rc;
#else
return 0;
#endif
@ -405,7 +433,9 @@ static void
lock_list (void)
{
#ifdef HAVE_NPTH
dbg_lock_0 ("enter lock_list\n");
npth_mutex_lock (&estream_list_lock);
dbg_lock_0 ("leave lock_list\n");
#endif
}
@ -414,11 +444,17 @@ static void
unlock_list (void)
{
#ifdef HAVE_NPTH
dbg_lock_0 ("enter unlock_list\n");
npth_mutex_unlock (&estream_list_lock);
dbg_lock_0 ("leave unlock_list\n");
#endif
}
#undef dbg_lock_0
#undef dbg_lock_1
#undef dbg_lock_2
/*