diff options
Diffstat (limited to 'deps/jemalloc/test/unit/prof_sys_thread_name.c')
-rw-r--r-- | deps/jemalloc/test/unit/prof_sys_thread_name.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/deps/jemalloc/test/unit/prof_sys_thread_name.c b/deps/jemalloc/test/unit/prof_sys_thread_name.c new file mode 100644 index 0000000..affc788 --- /dev/null +++ b/deps/jemalloc/test/unit/prof_sys_thread_name.c @@ -0,0 +1,77 @@ +#include "test/jemalloc_test.h" + +#include "jemalloc/internal/prof_sys.h" + +static const char *test_thread_name = "test_name"; + +static int +test_prof_sys_thread_name_read_error(char *buf, size_t limit) { + return ENOSYS; +} + +static int +test_prof_sys_thread_name_read(char *buf, size_t limit) { + assert(strlen(test_thread_name) < limit); + strncpy(buf, test_thread_name, limit); + return 0; +} + +static int +test_prof_sys_thread_name_read_clear(char *buf, size_t limit) { + assert(limit > 0); + buf[0] = '\0'; + return 0; +} + +TEST_BEGIN(test_prof_sys_thread_name) { + test_skip_if(!config_prof); + + bool oldval; + size_t sz = sizeof(oldval); + assert_d_eq(mallctl("opt.prof_sys_thread_name", &oldval, &sz, NULL, 0), + 0, "mallctl failed"); + assert_true(oldval, "option was not set correctly"); + + const char *thread_name; + sz = sizeof(thread_name); + assert_d_eq(mallctl("thread.prof.name", &thread_name, &sz, NULL, 0), 0, + "mallctl read for thread name should not fail"); + expect_str_eq(thread_name, "", "Initial thread name should be empty"); + + thread_name = test_thread_name; + assert_d_eq(mallctl("thread.prof.name", NULL, NULL, &thread_name, sz), + ENOENT, "mallctl write for thread name should fail"); + assert_ptr_eq(thread_name, test_thread_name, + "Thread name should not be touched"); + + prof_sys_thread_name_read = test_prof_sys_thread_name_read_error; + void *p = malloc(1); + free(p); + assert_d_eq(mallctl("thread.prof.name", &thread_name, &sz, NULL, 0), 0, + "mallctl read for thread name should not fail"); + assert_str_eq(thread_name, "", + "Thread name should stay the same if the system call fails"); + + prof_sys_thread_name_read = test_prof_sys_thread_name_read; + p = malloc(1); + free(p); + assert_d_eq(mallctl("thread.prof.name", &thread_name, &sz, NULL, 0), 0, + "mallctl read for thread name should not fail"); + assert_str_eq(thread_name, test_thread_name, + "Thread name should be changed if the system call succeeds"); + + prof_sys_thread_name_read = test_prof_sys_thread_name_read_clear; + p = malloc(1); + free(p); + assert_d_eq(mallctl("thread.prof.name", &thread_name, &sz, NULL, 0), 0, + "mallctl read for thread name should not fail"); + expect_str_eq(thread_name, "", "Thread name should be updated if the " + "system call returns a different name"); +} +TEST_END + +int +main(void) { + return test( + test_prof_sys_thread_name); +} |