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Port to npth.

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* configure.ac: Don't check for PTH but for NPTH.
(AH_BOTTOM): Remove PTH_SYSCALL_SOFT.
(have_pth): Rename to ...
(have_npth): ... this.
(USE_GNU_NPTH): Rename to ...
(USE_GNU_PTH): ... this.
* m4/npth.m4: New file.
* agent/Makefile.am, agent/cache.c, agent/call-pinentry.c,
agent/call-scd.c, agent/findkey.c, agent/gpg-agent.c,
agent/trustlist.c, common/Makefile.am, common/estream.c,
common/exechelp-posix.c, common/exechelp-w32.c,
common/exechelp-w32ce.c, common/http.c, common/init.c,
common/sysutils.c, dirmngr/Makefile.am, dirmngr/crlfetch.c,
dirmngr/dirmngr.c, dirmngr/dirmngr_ldap.c, dirmngr/ldap-wrapper-ce.c,
dirmngr/ldap-wrapper.c, dirmngr/ldap.c, g13/Makefile.am,
g13/call-gpg.c, g13/g13.c, g13/runner.c, scd/Makefile.am,
scd/apdu.c, scd/app.c, scd/ccid-driver.c, scd/command.c,
scd/scdaemon.c, tools/Makefile.am: Port to npth.
This commit is contained in:
Marcus Brinkmann 2012-01-03 22:12:37 +01:00 • committed by Werner Koch
parent 495dc68586
commit 7a7a597827
36 changed files with 969 additions and 1098 deletions
Download patch file Download diff file Expand all files Collapse all files

64
agent/call-scd.c
View file

@ -34,7 +34,7 @@
#ifndef HAVE_W32_SYSTEM
#include <sys/wait.h>
#endif
#include <pth.h>
#include <npth.h>
#include "agent.h"
#include <assuan.h>
@ -93,7 +93,7 @@ struct inq_needpin_s
static struct scd_local_s *scd_local_list;
/* A Mutex used inside the start_scd function. */
static pth_mutex_t start_scd_lock;
static npth_mutex_t start_scd_lock;
/* A malloced string with the name of the socket to be used for
additional connections. May be NULL if not provided by
@ -120,47 +120,29 @@ static gpg_error_t membuf_data_cb (void *opaque,
/* This function must be called once to initialize this module. This
has to be done before a second thread is spawned. We can't do the
static initialization because Pth emulation code might not be able
static initialization because NPth emulation code might not be able
to do a static init; in particular, it is not possible for W32. */
void
initialize_module_call_scd (void)
{
static int initialized;
int err;
if (!initialized)
{
if (!pth_mutex_init (&start_scd_lock))
log_fatal ("error initializing mutex: %s\n", strerror (errno));
err = npth_mutex_init (&start_scd_lock, NULL);
if (err)
log_fatal ("error initializing mutex: %s\n", strerror (err));
initialized = 1;
}
}
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
}
/* This function may be called to print infromation pertaining to the
current state of this module to the log. */
void
agent_scd_dump_state (void)
{
log_info ("agent_scd_dump_state: scd_lock=");
dump_mutex_state (&start_scd_lock);
log_printf ("\n");
log_info ("agent_scd_dump_state: primary_scd_ctx=%p pid=%ld reusable=%d\n",
primary_scd_ctx,
(long)assuan_get_pid (primary_scd_ctx),
@ -253,10 +235,11 @@ start_scd (ctrl_t ctrl)
/* We need to protect the following code. */
if (!pth_mutex_acquire (&start_scd_lock, 0, NULL))
rc = npth_mutex_lock (&start_scd_lock);
if (rc)
{
log_error ("failed to acquire the start_scd lock: %s\n",
strerror (errno));
strerror (rc));
return gpg_error (GPG_ERR_INTERNAL);
}
@ -420,8 +403,9 @@ start_scd (ctrl_t ctrl)
{
ctrl->scd_local->ctx = ctx;
}
if (!pth_mutex_release (&start_scd_lock))
log_error ("failed to release the start_scd lock: %s\n", strerror (errno));
rc = npth_mutex_unlock (&start_scd_lock);
if (rc)
log_error ("failed to release the start_scd lock: %s\n", strerror (rc));
return err;
}
@ -440,35 +424,36 @@ agent_scd_check_running (void)
void
agent_scd_check_aliveness (void)
{
pth_event_t evt;
pid_t pid;
#ifdef HAVE_W32_SYSTEM
DWORD rc;
#else
int rc;
#endif
struct timespec abstime;
int err;
if (!primary_scd_ctx)
return; /* No scdaemon running. */
/* This is not a critical function so we use a short timeout while
acquiring the lock. */
evt = pth_event (PTH_EVENT_TIME, pth_timeout (1, 0));
if (!pth_mutex_acquire (&start_scd_lock, 0, evt))
npth_clock_gettime (&abstime);
abstime.tv_sec += 1;
err = npth_mutex_timedlock (&start_scd_lock, &abstime);
if (err)
{
if (pth_event_occurred (evt))
if (err == ETIMEDOUT)
{
if (opt.verbose > 1)
log_info ("failed to acquire the start_scd lock while"
" doing an aliveness check: %s\n", "timeout");
" doing an aliveness check: %s\n", strerror (err));
}
else
log_error ("failed to acquire the start_scd lock while"
" doing an aliveness check: %s\n", strerror (errno));
pth_event_free (evt, PTH_FREE_THIS);
" doing an aliveness check: %s\n", strerror (err));
return;
}
pth_event_free (evt, PTH_FREE_THIS);
if (primary_scd_ctx)
{
@ -513,9 +498,10 @@ agent_scd_check_aliveness (void)
}
}
if (!pth_mutex_release (&start_scd_lock))
err = npth_mutex_unlock (&start_scd_lock);
if (err)
log_error ("failed to release the start_scd lock while"
" doing the aliveness check: %s\n", strerror (errno));
" doing the aliveness check: %s\n", strerror (err));
}