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Viewing changes to plugin-runner.c

  • Committer: Teddy Hogeborn
  • Date: 2009-09-07 23:48:17 UTC
  • Revision ID: teddy@fukt.bsnet.se-20090907234817-op1lgg9gpruejsiv
* initramfs-tools-hook: Bug fix: Really install user-supplied plugins.
                        Bug fix: Warn about empty plugin directory.

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Lines of Context:
plugin-runner.c
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 | [[info:libc:Descriptor%20Flags][File Descriptor Flags]] |
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 */
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static int set_cloexec_flag(int fd){
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  int ret = (int)TEMP_FAILURE_RETRY(fcntl(fd, F_GETFD, 0));
 
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  int ret = TEMP_FAILURE_RETRY(fcntl(fd, F_GETFD, 0));
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  /* If reading the flags failed, return error indication now. */
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  if(ret < 0){
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    return ret;
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  }
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  /* Store modified flag word in the descriptor. */
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  return (int)TEMP_FAILURE_RETRY(fcntl(fd, F_SETFD,
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                                       ret | FD_CLOEXEC));
 
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  return TEMP_FAILURE_RETRY(fcntl(fd, F_SETFD, ret | FD_CLOEXEC));
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}
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    char *filename;
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    if(plugindir == NULL){
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      ret = (int)TEMP_FAILURE_RETRY(asprintf(&filename, PDIR "/%s",
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                                             dirst->d_name));
 
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      ret = TEMP_FAILURE_RETRY(asprintf(&filename, PDIR "/%s",
 
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                                        dirst->d_name));
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    } else {
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      ret = (int)TEMP_FAILURE_RETRY(asprintf(&filename, "%s/%s",
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                                             plugindir,
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                                             dirst->d_name));
 
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      ret = TEMP_FAILURE_RETRY(asprintf(&filename, "%s/%s", plugindir,
 
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                                        dirst->d_name));
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    }
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    if(ret < 0){
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      perror("asprintf");
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      continue;
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    }
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    ret = (int)TEMP_FAILURE_RETRY(stat(filename, &st));
 
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    ret = TEMP_FAILURE_RETRY(stat(filename, &st));
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    if(ret == -1){
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      perror("stat");
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      free(filename);
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    }
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    int pipefd[2];
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    ret = (int)TEMP_FAILURE_RETRY(pipe(pipefd));
 
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    ret = TEMP_FAILURE_RETRY(pipe(pipefd));
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    if(ret == -1){
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      perror("pipe");
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      exitstatus = EXIT_FAILURE;
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      goto fallback;
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    }
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    /* Block SIGCHLD until process is safely in process list */
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    ret = (int)TEMP_FAILURE_RETRY(sigprocmask(SIG_BLOCK,
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                                              &sigchld_action.sa_mask,
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                                              NULL));
 
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    ret = TEMP_FAILURE_RETRY(sigprocmask(SIG_BLOCK,
 
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                                         &sigchld_action.sa_mask,
 
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                                         NULL));
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    if(ret < 0){
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      perror("sigprocmask");
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      exitstatus = EXIT_FAILURE;
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    plugin *new_plugin = getplugin(dirst->d_name);
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    if(new_plugin == NULL){
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      perror("getplugin");
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      ret = (int)(TEMP_FAILURE_RETRY
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                  (sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask,
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                               NULL)));
 
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      ret = TEMP_FAILURE_RETRY(sigprocmask(SIG_UNBLOCK,
 
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                                           &sigchld_action.sa_mask,
 
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                                           NULL));
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      if(ret < 0){
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        perror("sigprocmask");
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      }
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    /* Unblock SIGCHLD so signal handler can be run if this process
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       has already completed */
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    ret = (int)TEMP_FAILURE_RETRY(sigprocmask(SIG_UNBLOCK,
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                                              &sigchld_action.sa_mask,
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                                              NULL));
 
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    ret = TEMP_FAILURE_RETRY(sigprocmask(SIG_UNBLOCK,
 
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                                         &sigchld_action.sa_mask,
 
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                                         NULL));
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    if(ret < 0){
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      perror("sigprocmask");
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      exitstatus = EXIT_FAILURE;
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          FD_CLR(proc->fd, &rfds_all);
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          /* Block signal while modifying process_list */
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          ret = (int)TEMP_FAILURE_RETRY(sigprocmask
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                                        (SIG_BLOCK,
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                                         &sigchld_action.sa_mask,
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                                         NULL));
 
1032
          ret = TEMP_FAILURE_RETRY(sigprocmask(SIG_BLOCK,
 
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                                               &sigchld_action.sa_mask,
 
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                                               NULL));
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          if(ret < 0){
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            perror("sigprocmask");
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            exitstatus = EXIT_FAILURE;
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          proc = next_plugin;
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          /* We are done modifying process list, so unblock signal */
1049
 
          ret = (int)(TEMP_FAILURE_RETRY
1050
 
                      (sigprocmask(SIG_UNBLOCK,
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                                   &sigchld_action.sa_mask, NULL)));
 
1046
          ret = TEMP_FAILURE_RETRY(sigprocmask(SIG_UNBLOCK,
 
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                                               &sigchld_action.sa_mask,
 
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                                               NULL));
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          if(ret < 0){
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            perror("sigprocmask");
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            exitstatus = EXIT_FAILURE;