| 1 | /* Copyright (C) 2020 Michael Jeanson <mjeanson@efficios.com> |
| 2 | * |
| 3 | * This library is free software; you can redistribute it and/or |
| 4 | * modify it under the terms of the GNU Lesser General Public |
| 5 | * License as published by the Free Software Foundation; only |
| 6 | * version 2.1 of the License. |
| 7 | * |
| 8 | * This library is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 11 | * Lesser General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU Lesser General Public |
| 14 | * License along with this library; if not, write to the Free Software |
| 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 16 | */ |
| 17 | |
| 18 | #include <stdio.h> |
| 19 | #include <string.h> |
| 20 | #include "compat.h" |
| 21 | |
| 22 | #include "tap.h" |
| 23 | |
| 24 | #define TEST_NAME_PROPER_LEN 16 |
| 25 | |
| 26 | int main() |
| 27 | { |
| 28 | int ret; |
| 29 | char name1[TEST_NAME_PROPER_LEN]; |
| 30 | char name2[TEST_NAME_PROPER_LEN]; |
| 31 | char too_long_name[] = "thisnameistoolong"; |
| 32 | char short_name[] = "labatt50"; |
| 33 | char short_name_ust[] = "labatt50-ust"; |
| 34 | char long_name[] = "procrastinating"; |
| 35 | char long_name_ust[] = "procrastina-ust"; |
| 36 | |
| 37 | plan_tests(12); |
| 38 | |
| 39 | /* Get the initial thread name */ |
| 40 | ret = lttng_pthread_getname_np(name1, TEST_NAME_PROPER_LEN); |
| 41 | ok(ret == 0, "Get the thread name: '%s'", name1); |
| 42 | |
| 43 | /* Set a thread name of more than 16 bytes, should fail */ |
| 44 | ret = lttng_pthread_setname_np(too_long_name); |
| 45 | ok(ret == ERANGE, "Set a too long thread name: '%s'", too_long_name); |
| 46 | |
| 47 | /* Get the thread name again, shouldn't have changed */ |
| 48 | ret = lttng_pthread_getname_np(name2, TEST_NAME_PROPER_LEN); |
| 49 | ok(ret == 0, "Get the thread name: '%s'", name2); |
| 50 | ok(strcmp(name1, name2) == 0, "Compare the initial thread name: '%s' == '%s'", name1, name2); |
| 51 | |
| 52 | /* Set a thread name of less than 16 bytes */ |
| 53 | ret = lttng_pthread_setname_np(short_name); |
| 54 | ok(ret == 0, "Set a short thread name: '%s'", short_name); |
| 55 | |
| 56 | /* Get the thread name again, should be the one we set */ |
| 57 | ret = lttng_pthread_getname_np(name1, TEST_NAME_PROPER_LEN); |
| 58 | ok(ret == 0, "Get a short thread name: '%s'", name1); |
| 59 | ok(strcmp(short_name, name1) == 0, "Compare the short thread name: '%s' == '%s'", short_name, name1); |
| 60 | |
| 61 | /* Append "-ust" to the thread name */ |
| 62 | lttng_ust_setustprocname(); |
| 63 | ret = lttng_pthread_getname_np(name1, TEST_NAME_PROPER_LEN); |
| 64 | ok(strcmp(short_name_ust, name1) == 0, "Compare the short UST thread name: '%s' == '%s'", short_name_ust, name1); |
| 65 | |
| 66 | |
| 67 | /* Set a thread name of 16 bytes */ |
| 68 | ret = lttng_pthread_setname_np(long_name); |
| 69 | ok(ret == 0, "Set a long thread name: '%s'", long_name); |
| 70 | |
| 71 | /* Get the thread name again, should be the one we set */ |
| 72 | ret = lttng_pthread_getname_np(name1, TEST_NAME_PROPER_LEN); |
| 73 | ok(ret == 0, "Get a long thread name: '%s'", name1); |
| 74 | ok(strncmp(long_name, name1, TEST_NAME_PROPER_LEN - 1) == 0, "Compare the long thread name: '%s' == '%s'", long_name, name1); |
| 75 | |
| 76 | /* Append "-ust" to the thread name which will truncate its end */ |
| 77 | lttng_ust_setustprocname(); |
| 78 | ret = lttng_pthread_getname_np(name1, TEST_NAME_PROPER_LEN); |
| 79 | ok(strcmp(long_name_ust, name1) == 0, "Compare the long UST thread name: '%s' == '%s'", long_name_ust, name1); |
| 80 | |
| 81 | return exit_status(); |
| 82 | } |