X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Funixsock.c;h=35c77121eb5c792d8f97787cb6503b9f753cf3d5;hb=66b400ab01b8133e450bb002e175117a1ab6f9ae;hp=be36abc8c8f9bbb339c6557b701e41f4c62a61cd;hpb=79c87aeda9172e219a842e393c6499c8bf37662a;p=collectd.git diff --git a/src/unixsock.c b/src/unixsock.c index be36abc8..35c77121 100644 --- a/src/unixsock.c +++ b/src/unixsock.c @@ -158,33 +158,48 @@ static int us_open_socket (void) static void *us_handle_client (void *arg) { - int fd; + int fdin; + int fdout; FILE *fhin, *fhout; - fd = *((int *) arg); + fdin = *((int *) arg); free (arg); arg = NULL; - DEBUG ("unixsock plugin: us_handle_client: Reading from fd #%i", fd); + DEBUG ("unixsock plugin: us_handle_client: Reading from fd #%i", fdin); - fhin = fdopen (fd, "r"); + fdout = dup (fdin); + if (fdout < 0) + { + char errbuf[1024]; + ERROR ("unixsock plugin: dup failed: %s", + sstrerror (errno, errbuf, sizeof (errbuf))); + close (fdin); + pthread_exit ((void *) 1); + } + + fhin = fdopen (fdin, "r"); if (fhin == NULL) { char errbuf[1024]; ERROR ("unixsock plugin: fdopen failed: %s", sstrerror (errno, errbuf, sizeof (errbuf))); - close (fd); + close (fdin); + close (fdout); pthread_exit ((void *) 1); + return ((void *) 1); } - fhout = fdopen (fd, "w"); + fhout = fdopen (fdout, "w"); if (fhout == NULL) { char errbuf[1024]; ERROR ("unixsock plugin: fdopen failed: %s", sstrerror (errno, errbuf, sizeof (errbuf))); - fclose (fhin); /* this closes fd as well */ + fclose (fhin); /* this closes fdin as well */ + close (fdout); pthread_exit ((void *) 1); + return ((void *) 1); } /* change output buffer to line buffered mode */ @@ -196,6 +211,7 @@ static void *us_handle_client (void *arg) fclose (fhin); fclose (fhout); pthread_exit ((void *) 1); + return ((void *) 0); } while (42) @@ -209,6 +225,9 @@ static void *us_handle_client (void *arg) errno = 0; if (fgets (buffer, sizeof (buffer), fhin) == NULL) { + if ((errno == EINTR) || (errno == EAGAIN)) + continue; + if (errno != 0) { char errbuf[1024]; @@ -231,11 +250,13 @@ static void *us_handle_client (void *arg) fields_num = strsplit (buffer_copy, fields, sizeof (fields) / sizeof (fields[0])); - if (fields_num < 1) { - close (fd); - break; + fprintf (fhout, "-1 Internal error\n"); + fclose (fhin); + fclose (fhout); + pthread_exit ((void *) 1); + return ((void *) 1); } if (strcasecmp (fields[0], "getval") == 0) @@ -290,6 +311,9 @@ static void *us_server_thread (void __attribute__((unused)) *arg) pthread_t th; pthread_attr_t th_attr; + pthread_attr_init (&th_attr); + pthread_attr_setdetachstate (&th_attr, PTHREAD_CREATE_DETACHED); + if (us_open_socket () != 0) pthread_exit ((void *) 1); @@ -308,6 +332,7 @@ static void *us_server_thread (void __attribute__((unused)) *arg) sstrerror (errno, errbuf, sizeof (errbuf))); close (sock_fd); sock_fd = -1; + pthread_attr_destroy (&th_attr); pthread_exit ((void *) 1); } @@ -324,9 +349,6 @@ static void *us_server_thread (void __attribute__((unused)) *arg) DEBUG ("Spawning child to handle connection on fd #%i", *remote_fd); - pthread_attr_init (&th_attr); - pthread_attr_setdetachstate (&th_attr, PTHREAD_CREATE_DETACHED); - status = pthread_create (&th, &th_attr, us_handle_client, (void *) remote_fd); if (status != 0) { @@ -341,6 +363,7 @@ static void *us_server_thread (void __attribute__((unused)) *arg) close (sock_fd); sock_fd = -1; + pthread_attr_destroy (&th_attr); status = unlink ((sock_file != NULL) ? sock_file : US_DEFAULT_PATH); if (status != 0)