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Initial port to Npth.

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This commit is contained in:
Marcus Brinkmann 2011-09-29 03:14:37 +02:00
parent 6cf8890dc1
commit 2959e9e4d1
43 changed files with 1012 additions and 1058 deletions
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43
scd/command.c
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@ -26,8 +26,8 @@
#include <ctype.h>
#include <unistd.h>
#include <signal.h>
#ifdef USE_GNU_PTH
# include <pth.h>
#ifdef USE_NPTH
# include <npth.h>
#endif
#include "scdaemon.h"
@ -147,7 +147,7 @@ static struct server_local_s *locked_session;
/* While doing a reset we need to make sure that the ticker does not
call scd_update_reader_status_file while we are using it. */
static pth_mutex_t status_file_update_lock;
static npth_mutex_t status_file_update_lock;
/*-- Local prototypes --*/
@ -164,10 +164,12 @@ void
initialize_module_command (void)
{
static int initialized;
int err;
if (!initialized)
{
if (pth_mutex_init (&status_file_update_lock))
err = npth_mutex_init (&status_file_update_lock, NULL);
if (!err)
initialized = 1;
}
}
@ -279,6 +281,7 @@ static void
do_reset (ctrl_t ctrl, int send_reset)
{
int slot = ctrl->reader_slot;
int err;
if (!(slot == -1 || (slot >= 0 && slot < DIM(slot_table))))
BUG ();
@ -326,16 +329,20 @@ do_reset (ctrl_t ctrl, int send_reset)
try to update the file. Calling update_reader_status_file is
required to get hold of the new status of the card in the slot
table. */
if (!pth_mutex_acquire (&status_file_update_lock, 0, NULL))
err = npth_mutex_lock (&status_file_update_lock);
if (err)
{
log_error ("failed to acquire status_fle_update lock\n");
log_error ("failed to acquire status_fle_update lock: %s\n",
strerror (err));
ctrl->reader_slot = -1;
return;
}
update_reader_status_file (0); /* Update slot status table. */
update_card_removed (slot, 0); /* Clear card_removed flag. */
if (!pth_mutex_release (&status_file_update_lock))
log_error ("failed to release status_file_update lock\n");
err = npth_mutex_unlock (&status_file_update_lock);
if (err)
log_error ("failed to release status_file_update lock: %s\n",
strerror (err));
/* Do this last, so that the update_card_removed above does its job. */
ctrl->reader_slot = -1;
@ -1548,18 +1555,18 @@ cmd_lock (assuan_context_t ctx, char *line)
else
locked_session = ctrl->server_local;
#ifdef USE_GNU_PTH
#ifdef USE_NPTH
if (rc && has_option (line, "--wait"))
{
rc = 0;
pth_sleep (1); /* Better implement an event mechanism. However,
for card operations this should be
sufficient. */
npth_sleep (1); /* Better implement an event mechanism. However,
for card operations this should be
sufficient. */
/* FIXME: Need to check that the connection is still alive.
This can be done by issuing status messages. */
goto retry;
}
#endif /*USE_GNU_PTH*/
#endif /*USE_NPTH*/
if (rc)
log_error ("cmd_lock failed: %s\n", gpg_strerror (rc));
@ -2325,9 +2332,13 @@ update_reader_status_file (int set_card_removed_flag)
void
scd_update_reader_status_file (void)
{
if (!pth_mutex_acquire (&status_file_update_lock, 1, NULL))
int err;
err = npth_mutex_lock (&status_file_update_lock);
if (err)
return; /* locked - give up. */
update_reader_status_file (1);
if (!pth_mutex_release (&status_file_update_lock))
log_error ("failed to release status_file_update lock\n");
err = npth_mutex_unlock (&status_file_update_lock);
if (err)
log_error ("failed to release status_file_update lock: %s\n",
strerror (err));
}