Port to npth.

* 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.

1 files changed, 25 insertions, 13 deletions

diff --git a/dirmngr/certcache.c b/dirmngr/certcache.c
index a8b84e6e3..73916b03e 100644
--- a/dirmngr/certcache.c
+++ b/dirmngr/certcache.c
@@ -25,7 +25,7 @@
 #include <assert.h>
 #include <sys/types.h>
 #include <dirent.h>
-#include <pth.h>
+#include <npth.h>
 
 #include "dirmngr.h"
 #include "misc.h"
@@ -80,10 +80,10 @@ static cert_item_t cert_cache[256];
 
 /* This is the global cache_lock variable. In general looking is not
    needed but it would take extra efforts to make sure that no
-   indirect use of pth functions is done, so we simply lock it always.
-   Note: We can't use static initialization, as that is not available
-   through w32-pth.  */
-static pth_rwlock_t cert_cache_lock;
+   indirect use of npth functions is done, so we simply lock it
+   always.  Note: We can't use static initialization, as that is not
+   available through w32-pth.  */
+static npth_rwlock_t cert_cache_lock;
 
 /* Flag to track whether the cache has been initialized.  */
 static int initialization_done;
@@ -99,33 +99,45 @@ static unsigned int total_extra_certificates;
 static void
 init_cache_lock (void)
 {
-  if (!pth_rwlock_init (&cert_cache_lock))
+  int err;
+
+  err = npth_rwlock_init (&cert_cache_lock, NULL);
+  if (err)
     log_fatal (_("can't initialize certificate cache lock: %s\n"),
-	       strerror (errno));
+	       strerror (err));
 }
 
 static void
 acquire_cache_read_lock (void)
 {
-  if (!pth_rwlock_acquire (&cert_cache_lock, PTH_RWLOCK_RD, FALSE, NULL))
+  int err;
+
+  err = npth_rwlock_rdlock (&cert_cache_lock);
+  if (err)
     log_fatal (_("can't acquire read lock on the certificate cache: %s\n"),
-               strerror (errno));
+               strerror (err));
 }
 
 static void
 acquire_cache_write_lock (void)
 {
-  if (!pth_rwlock_acquire (&cert_cache_lock, PTH_RWLOCK_RW, FALSE, NULL))
+  int err;
+
+  err = npth_rwlock_wrlock (&cert_cache_lock);
+  if (err)
     log_fatal (_("can't acquire write lock on the certificate cache: %s\n"),
-               strerror (errno));
+               strerror (err));
 }
 
 static void
 release_cache_lock (void)
 {
-  if (!pth_rwlock_release (&cert_cache_lock))
+  int err;
+
+  err = npth_rwlock_unlock (&cert_cache_lock);
+  if (err)
     log_fatal (_("can't release lock on the certificate cache: %s\n"),
-               strerror (errno));
+               strerror (err));
 }