Merged in hardlulz/modem-3.0-nuttx-apps/fix-sem-EINTR (pull request #133)

Added ECANCELED condition to DEBUGASSERT-s checking sem_wait result

Approved-by: Gregory Nutt <gnutt@nuttx.org>

examples/cc3000/telnetd_daemon.c

@@ -338,7 +338,7 @@ int telnetd_start(FAR struct telnetd_config_s *config)
 
       if (ret < 0)
         {
-          DEBUGASSERT(errno == -EINTR);
+          DEBUGASSERT(errno == EINTR || errno  == ECANCELED);
         }
     }
   while (ret < 0);

examples/cpuhog/cpuhog_main.c

@@ -121,7 +121,7 @@ int cpuhog_main(int argc, char *argv[])
 
       while (sem_wait(&g_state.sem) != 0)
         {
-          ASSERT(errno == EINTR);
+          ASSERT(errno == EINTR || errno == ECANCELED);
         }
 
       /* Burn some inside semlock */

fsutils/passwd/passwd_lock.c

@@ -113,7 +113,7 @@ int passwd_lock(FAR sem_t **semp)
   while (sem_wait(sem) < 0)
     {
       int errcode = errno;
-      DEBUGASSERT(errcode == EINTR);
+      DEBUGASSERT(errcode == EINTR || errcode == ECANCELED);
       UNUSED(errcode);
     }
 

netutils/telnetd/telnetd_daemon.c

@@ -461,7 +461,7 @@ int telnetd_start(FAR struct telnetd_config_s *config)
 
       if (ret < 0)
         {
-          DEBUGASSERT(errno == -EINTR);
+          DEBUGASSERT(errno == EINTR || errno  == ECANCELED);
         }
     }
   while (ret < 0);

netutils/thttpd/thttpd_cgi.c

@@ -153,7 +153,7 @@ static inline void cgi_semtake(void)
        * awakened by a signal.
        */
 
-      ASSERT(errno == EINTR);
+      ASSERT(errno == EINTR || errno == ECANCELED);
     }
 }