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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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49
scd/app.c
View file

@ -22,7 +22,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pth.h>
#include <npth.h>
#include "scdaemon.h"
#include "app-common.h"
@ -37,7 +37,7 @@
static struct
{
int initialized;
pth_mutex_t lock;
npth_mutex_t lock;
app_t app; /* Application context in use or NULL. */
app_t last_app; /* Last application object used as this slot or NULL. */
} lock_table[10];
@ -72,30 +72,30 @@ print_progress_line (void *opaque, const char *what, int pc, int cur, int tot)
static gpg_error_t
lock_reader (int slot, ctrl_t ctrl)
{
gpg_error_t err;
int res;
if (slot < 0 || slot >= DIM (lock_table))
return gpg_error (slot<0? GPG_ERR_INV_VALUE : GPG_ERR_RESOURCE_LIMIT);
if (!lock_table[slot].initialized)
{
if (!pth_mutex_init (&lock_table[slot].lock))
res = npth_mutex_init (&lock_table[slot].lock, NULL);
if (res)
{
err = gpg_error_from_syserror ();
log_error ("error initializing mutex: %s\n", strerror (errno));
return err;
log_error ("error initializing mutex: %s\n", strerror (res));
return gpg_error_from_errno (res);
}
lock_table[slot].initialized = 1;
lock_table[slot].app = NULL;
lock_table[slot].last_app = NULL;
}
if (!pth_mutex_acquire (&lock_table[slot].lock, 0, NULL))
res = npth_mutex_lock (&lock_table[slot].lock);
if (res)
{
err = gpg_error_from_syserror ();
log_error ("failed to acquire APP lock for slot %d: %s\n",
slot, strerror (errno));
return err;
slot, strerror (res));
return gpg_error_from_errno (res);
}
apdu_set_progress_cb (slot, print_progress_line, ctrl);
@ -107,32 +107,18 @@ lock_reader (int slot, ctrl_t ctrl)
static void
unlock_reader (int slot)
{
int res;
if (slot < 0 || slot >= DIM (lock_table)
|| !lock_table[slot].initialized)
log_bug ("unlock_reader called for invalid slot %d\n", slot);
apdu_set_progress_cb (slot, NULL, NULL);
if (!pth_mutex_release (&lock_table[slot].lock))
res = npth_mutex_unlock (&lock_table[slot].lock);
if (res)
log_error ("failed to release APP lock for slot %d: %s\n",
slot, strerror (errno));
}
static void
dump_mutex_state (pth_mutex_t *m)
{
#ifdef _W32_PTH_H
(void)m;
log_printf ("unknown under W32");
#else
if (!(m->mx_state & PTH_MUTEX_INITIALIZED))
log_printf ("not_initialized");
else if (!(m->mx_state & PTH_MUTEX_LOCKED))
log_printf ("not_locked");
else
log_printf ("locked tid=0x%lx count=%lu", (long)m->mx_owner, m->mx_count);
#endif
slot, strerror (res));
}
@ -146,8 +132,7 @@ app_dump_state (void)
for (slot=0; slot < DIM (lock_table); slot++)
if (lock_table[slot].initialized)
{
log_info ("app_dump_state: slot=%d lock=", slot);
dump_mutex_state (&lock_table[slot].lock);
log_info ("app_dump_state: slot=%d", slot);
if (lock_table[slot].app)
{
log_printf (" app=%p", lock_table[slot].app);