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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

108
agent/call-pinentry.c
View file

@ -32,7 +32,7 @@
# include <sys/types.h>
# include <signal.h>
#endif
#include <pth.h>
#include <npth.h>
#include "agent.h"
#include <assuan.h>
@ -62,10 +62,10 @@ static assuan_context_t entry_ctx;
static ctrl_t entry_owner;
/* A mutex used to serialize access to the pinentry. */
static pth_mutex_t entry_lock;
static npth_mutex_t entry_lock;
/* The thread ID of the popup working thread. */
static pth_t popup_tid;
static npth_t popup_tid;
/* A flag used in communication between the popup working thread and
its stop function. */
@ -95,39 +95,19 @@ initialize_module_call_pinentry (void)
if (!initialized)
{
if (pth_mutex_init (&entry_lock))
if (npth_mutex_init (&entry_lock, NULL))
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_query_dump_state (void)
{
log_info ("agent_query_dump_state: entry_lock=");
dump_mutex_state (&entry_lock);
log_printf ("\n");
log_info ("agent_query_dump_state: entry_ctx=%p pid=%ld popup_tid=%p\n",
log_info ("agent_query_dump_state: entry_ctx=%p pid=%ld popup_tid=%lx\n",
entry_ctx, (long)assuan_get_pid (entry_ctx), popup_tid);
}
@ -151,13 +131,15 @@ static int
unlock_pinentry (int rc)
{
assuan_context_t ctx = entry_ctx;
int err;
entry_ctx = NULL;
if (!pth_mutex_release (&entry_lock))
err = npth_mutex_unlock (&entry_lock);
if (err)
{
log_error ("failed to release the entry lock\n");
log_error ("failed to release the entry lock: %s\n", strerror (err));
if (!rc)
rc = gpg_error (GPG_ERR_INTERNAL);
rc = gpg_error_from_errno (err);
}
assuan_release (ctx);
return rc;
@ -222,30 +204,31 @@ getinfo_pid_cb (void *opaque, const void *buffer, size_t length)
static int
start_pinentry (ctrl_t ctrl)
{
int rc;
int rc = 0;
const char *pgmname;
assuan_context_t ctx;
const char *argv[5];
int no_close_list[3];
int i;
pth_event_t evt;
const char *tmpstr;
unsigned long pinentry_pid;
const char *value;
struct timespec abstime;
int err;
evt = pth_event (PTH_EVENT_TIME, pth_timeout (LOCK_TIMEOUT, 0));
if (!pth_mutex_acquire (&entry_lock, 0, evt))
npth_clock_gettime (&abstime);
abstime.tv_sec += LOCK_TIMEOUT;
err = npth_mutex_timedlock (&entry_lock, &abstime);
if (err)
{
if (pth_event_occurred (evt))
rc = gpg_error (GPG_ERR_TIMEOUT);
if (err == ETIMEDOUT)
rc = gpg_error (GPG_ERR_TIMEOUT);
else
rc = gpg_error (GPG_ERR_INTERNAL);
pth_event_free (evt, PTH_FREE_THIS);
rc = gpg_error_from_errno (rc);
log_error (_("failed to acquire the pinentry lock: %s\n"),
gpg_strerror (rc));
return rc;
}
pth_event_free (evt, PTH_FREE_THIS);
entry_owner = ctrl;
@ -484,33 +467,37 @@ start_pinentry (ctrl_t ctrl)
int
pinentry_active_p (ctrl_t ctrl, int waitseconds)
{
int err;
(void)ctrl;
if (waitseconds > 0)
{
pth_event_t evt;
struct timespec abstime;
int rc;
evt = pth_event (PTH_EVENT_TIME, pth_timeout (waitseconds, 0));
if (!pth_mutex_acquire (&entry_lock, 0, evt))
npth_clock_gettime (&abstime);
abstime.tv_sec += waitseconds;
err = npth_mutex_timedlock (&entry_lock, &abstime);
if (err)
{
if (pth_event_occurred (evt))
if (err == ETIMEDOUT)
rc = gpg_error (GPG_ERR_TIMEOUT);
else
rc = gpg_error (GPG_ERR_INTERNAL);
pth_event_free (evt, PTH_FREE_THIS);
return rc;
}
pth_event_free (evt, PTH_FREE_THIS);
}
else
{
if (!pth_mutex_acquire (&entry_lock, 1, NULL))
err = npth_mutex_trylock (&entry_lock);
if (err)
return gpg_error (GPG_ERR_LOCKED);
}
if (!pth_mutex_release (&entry_lock))
log_error ("failed to release the entry lock at %d\n", __LINE__);
err = npth_mutex_unlock (&entry_lock);
if (err)
log_error ("failed to release the entry lock at %d: %s\n", __LINE__,
strerror (errno));
return 0;
}
@ -1185,7 +1172,8 @@ agent_popup_message_start (ctrl_t ctrl, const char *desc, const char *ok_btn)
{
int rc;
char line[ASSUAN_LINELENGTH];
pth_attr_t tattr;
npth_attr_t tattr;
int err;
if (ctrl->pinentry_mode != PINENTRY_MODE_ASK)
return gpg_error (GPG_ERR_CANCELED);
@ -1212,22 +1200,22 @@ agent_popup_message_start (ctrl_t ctrl, const char *desc, const char *ok_btn)
return unlock_pinentry (rc);
}
tattr = pth_attr_new();
pth_attr_set (tattr, PTH_ATTR_JOINABLE, 1);
pth_attr_set (tattr, PTH_ATTR_STACK_SIZE, 256*1024);
pth_attr_set (tattr, PTH_ATTR_NAME, "popup-message");
err = npth_attr_init (&tattr);
if (err)
return unlock_pinentry (gpg_error_from_errno (err));
npth_attr_setdetachstate (&tattr, NPTH_CREATE_JOINABLE);
popup_finished = 0;
popup_tid = pth_spawn (tattr, popup_message_thread, NULL);
if (!popup_tid)
err = npth_create (&popup_tid, &tattr, popup_message_thread, NULL);
npth_attr_destroy (&tattr);
if (err)
{
rc = gpg_error_from_syserror ();
rc = gpg_error_from_errno (err);
log_error ("error spawning popup message handler: %s\n",
strerror (errno) );
pth_attr_destroy (tattr);
strerror (err) );
return unlock_pinentry (rc);
}
pth_attr_destroy (tattr);
npth_setname_np (popup_tid, "popup-message");
return 0;
}
@ -1277,11 +1265,13 @@ agent_popup_message_stop (ctrl_t ctrl)
#endif
/* Now wait for the thread to terminate. */
rc = pth_join (popup_tid, NULL);
rc = npth_join (popup_tid, NULL);
if (!rc)
log_debug ("agent_popup_message_stop: pth_join failed: %s\n",
strerror (errno));
popup_tid = NULL;
/* Thread IDs are opaque, but we try our best here by resetting it
to the same content that a static global variable has. */
memset (&popup_tid, '\0', sizeof (popup_tid));
entry_owner = NULL;
/* Now we can close the connection. */