Merge branch 'refs/heads/t/com_tasks'

cooking for almost a month.

diff --combined NEWS
index 87337d1c0b18b969e3d231a79aef2353ae6d68a6,305d9147b2f0be1a3f02697be4a769fed2024449..b945484b19fe4c3ae6276ad9088a1a71dc4b9558
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -5,16 -5,12 +5,17 @@@ NEW
  0.5.4 (to be announced) "exponential alignment"
  -----------------------------------------------
  
 +Another cleanup and bugfix release.
 +
++      - New server command: tasks.
        - Minor cleanups to daemon.c.
        - New URLs for home page and git services.
        - Improved error diagnostics for the mvblob commands.
        - New sender subcommand: status.
        - Improved help text for server and afs commands.
        - audiod memory leak fixes.
 +      - Miscellaneous improvements to the build system.
 +      - oss_writer improvements.
  
  Download: ./releases/paraslash-git.tar.bz2
  

diff --combined client.c
index 2159117e7cbff55b04e38d1ab167482419546680,e0c978261980b01759fbe66d6d55f2bb541a82fc..f53147f1c8d6f1ae03cac62496c6fcf1aae65847
--- 1/client.c
--- 2/client.c
+++ b/client.c
@@@ -35,8 -35,8 +35,8 @@@ __printf_2_3 void (*para_log)(int, cons
  
  #ifdef HAVE_READLINE
  #include "interactive.h"
 -#include "server_completion.h"
 -#include "afs_completion.h"
 +#include "server.completion.h"
 +#include "afs.completion.h"
  
  struct exec_task {
        struct task *task;
@@@ -208,6 -208,7 +208,7 @@@ I9E_DUMMY_COMPLETER(version)
  I9E_DUMMY_COMPLETER(stop);
  I9E_DUMMY_COMPLETER(addatt);
  I9E_DUMMY_COMPLETER(init);
+ I9E_DUMMY_COMPLETER(tasks);
  
  static struct i9e_completer completers[];
  

diff --combined command.c
index 551fe05a66eb4eab694f62f6ac1578ad0992d742,6880cb4091a008b7063f5d7bed43f1ceda8ee5ac..a9f5aa697be2e3f7ab51819898b14afb7d0535c6
--- 1/command.c
--- 2/command.c
+++ b/command.c
@@@ -35,8 -35,8 +35,8 @@@
  #include "fd.h"
  #include "ipc.h"
  #include "user_list.h"
 -#include "server_command_list.h"
 -#include "afs_command_list.h"
 +#include "server.command_list.h"
 +#include "afs.command_list.h"
  #include "signal.h"
  #include "version.h"
  
@@@ -363,10 -363,8 +363,10 @@@ static int com_sender(struct command_co
        for (i = 0; i < 10; i++) {
                mutex_lock(mmd_mutex);
                if (mmd->sender_cmd_data.cmd_num >= 0) {
 +                      /* another sender command is active, retry in 100ms */
 +                      struct timespec ts = {.tv_nsec = 100 * 1000 * 1000};
                        mutex_unlock(mmd_mutex);
 -                      usleep(100 * 1000);
 +                      nanosleep(&ts, NULL);
                        continue;
                }
                mmd->sender_cmd_data = scd;
@@@ -718,7 -716,7 +718,7 @@@ static int com_ff(struct command_contex
                promille += 1000 * i / mmd->afd.afhi.seconds_total;
        if (promille < 0)
                promille = 0;
-       if (promille >  1000) {
+       if (promille > 1000) {
                mmd->new_vss_status_flags |= VSS_NEXT;
                goto out;
        }
@@@ -749,8 -747,8 +749,8 @@@ static int com_jmp(struct command_conte
        if (i > 100)
                i = 100;
        PARA_INFO_LOG("jumping to %lu%%\n", i);
-       mmd->repos_request = (mmd->afd.afhi.chunks_total * i + 50)/ 100;
-       PARA_INFO_LOG("sent: %lu,  offset before jmp: %lu\n",
+       mmd->repos_request = (mmd->afd.afhi.chunks_total * i + 50) / 100;
+       PARA_INFO_LOG("sent: %lu, offset before jmp: %lu\n",
                mmd->chunks_sent, mmd->offset);
        mmd->new_vss_status_flags |= VSS_REPOS;
        mmd->new_vss_status_flags &= ~VSS_NEXT;
@@@ -761,6 -759,16 +761,16 @@@ out
        return ret;
  }
  
+ static int com_tasks(struct command_context *cc)
+ {
+       char *tl = server_get_tasks();
+       int ret = 1;
+ 
+       if (tl)
+               ret = send_sb(&cc->scc, tl, strlen(tl), SBD_OUTPUT, false);
+       return ret;
+ }
+ 
  /*
   * check if perms are sufficient to exec a command having perms cmd_perms.
   * Returns 0 if perms are sufficient, -E_PERM otherwise.
@@@ -865,24 -873,22 +875,22 @@@ out
   * \param fd The file descriptor to send output to.
   * \param peername Identifies the connecting peer.
   *
-  * Whenever para_server accepts an incoming tcp connection on
-  * the port it listens on, it forks and the resulting child
-  * calls this function.
+  * Whenever para_server accepts an incoming tcp connection on the port it
+  * listens on, it forks and the resulting child calls this function.
   *
-  * An RSA-based challenge/response is used to authenticate
-  * the peer. It that authentication succeeds, a random
-  * session key is generated and sent back to the peer,
-  * encrypted with its RSA public key.  From this point on,
-  * all transfers are crypted with this session key.
+  * An RSA-based challenge/response is used to authenticate the peer. It that
+  * authentication succeeds, a random session key is generated and sent back to
+  * the peer, encrypted with its RSA public key. From this point on, all
+  * transfers are crypted with this session key.
   *
-  * Next it is checked if the peer supplied  a valid server command or a command
-  * for the audio file selector.  If yes, and if the user has sufficient
+  * Next it is checked if the peer supplied a valid server command or a command
+  * for the audio file selector. If yes, and if the user has sufficient
   * permissions to execute that command, the function calls the corresponding
   * command handler which does argument checking and further processing.
   *
-  * In order to cope with a DOS attacks, a timeout is set up
-  * which terminates the function if the connection was not
-  * authenticated when the timeout expires.
+  * In order to cope with a DOS attacks, a timeout is set up which terminates
+  * the function if the connection was not authenticated when the timeout
+  * expires.
   *
   * \sa alarm(2), crypt.c, crypt.h
   */
@@@ -905,7 -911,7 +913,7 @@@ __noreturn void handle_connect(int fd, 
                goto net_err;
        /* send Welcome message */
        ret = write_va_buffer(fd, "This is para_server, version "
-               PACKAGE_VERSION  ".\n"
+               PACKAGE_VERSION ".\n"
                "Features: sideband,aes_ctr128\n"
        );
        if (ret < 0)