diff options
Diffstat (limited to 'deps/jemalloc/test/unit/prof_thread_name.c')
-rw-r--r-- | deps/jemalloc/test/unit/prof_thread_name.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/deps/jemalloc/test/unit/prof_thread_name.c b/deps/jemalloc/test/unit/prof_thread_name.c new file mode 100644 index 000000000..f501158d7 --- /dev/null +++ b/deps/jemalloc/test/unit/prof_thread_name.c @@ -0,0 +1,129 @@ +#include "test/jemalloc_test.h" + +#ifdef JEMALLOC_PROF +const char *malloc_conf = "prof:true,prof_active:false"; +#endif + +static void +mallctl_thread_name_get_impl(const char *thread_name_expected, const char *func, + int line) +{ + const char *thread_name_old; + size_t sz; + + sz = sizeof(thread_name_old); + assert_d_eq(mallctl("thread.prof.name", &thread_name_old, &sz, NULL, 0), + 0, "%s():%d: Unexpected mallctl failure reading thread.prof.name", + func, line); + assert_str_eq(thread_name_old, thread_name_expected, + "%s():%d: Unexpected thread.prof.name value", func, line); +} +#define mallctl_thread_name_get(a) \ + mallctl_thread_name_get_impl(a, __func__, __LINE__) + +static void +mallctl_thread_name_set_impl(const char *thread_name, const char *func, + int line) +{ + + assert_d_eq(mallctl("thread.prof.name", NULL, NULL, &thread_name, + sizeof(thread_name)), 0, + "%s():%d: Unexpected mallctl failure reading thread.prof.name", + func, line); + mallctl_thread_name_get_impl(thread_name, func, line); +} +#define mallctl_thread_name_set(a) \ + mallctl_thread_name_set_impl(a, __func__, __LINE__) + +TEST_BEGIN(test_prof_thread_name_validation) +{ + const char *thread_name; + + test_skip_if(!config_prof); + + mallctl_thread_name_get(""); + mallctl_thread_name_set("hi there"); + + /* NULL input shouldn't be allowed. */ + thread_name = NULL; + assert_d_eq(mallctl("thread.prof.name", NULL, NULL, &thread_name, + sizeof(thread_name)), EFAULT, + "Unexpected mallctl result writing \"%s\" to thread.prof.name", + thread_name); + + /* '\n' shouldn't be allowed. */ + thread_name = "hi\nthere"; + assert_d_eq(mallctl("thread.prof.name", NULL, NULL, &thread_name, + sizeof(thread_name)), EFAULT, + "Unexpected mallctl result writing \"%s\" to thread.prof.name", + thread_name); + + /* Simultaneous read/write shouldn't be allowed. */ + { + const char *thread_name_old; + size_t sz; + + sz = sizeof(thread_name_old); + assert_d_eq(mallctl("thread.prof.name", &thread_name_old, &sz, + &thread_name, sizeof(thread_name)), EPERM, + "Unexpected mallctl result writing \"%s\" to " + "thread.prof.name", thread_name); + } + + mallctl_thread_name_set(""); +} +TEST_END + +#define NTHREADS 4 +#define NRESET 25 +static void * +thd_start(void *varg) +{ + unsigned thd_ind = *(unsigned *)varg; + char thread_name[16] = ""; + unsigned i; + + malloc_snprintf(thread_name, sizeof(thread_name), "thread %u", thd_ind); + + mallctl_thread_name_get(""); + mallctl_thread_name_set(thread_name); + + for (i = 0; i < NRESET; i++) { + assert_d_eq(mallctl("prof.reset", NULL, NULL, NULL, 0), 0, + "Unexpected error while resetting heap profile data"); + mallctl_thread_name_get(thread_name); + } + + mallctl_thread_name_set(thread_name); + mallctl_thread_name_set(""); + + return (NULL); +} + +TEST_BEGIN(test_prof_thread_name_threaded) +{ + thd_t thds[NTHREADS]; + unsigned thd_args[NTHREADS]; + unsigned i; + + test_skip_if(!config_prof); + + for (i = 0; i < NTHREADS; i++) { + thd_args[i] = i; + thd_create(&thds[i], thd_start, (void *)&thd_args[i]); + } + for (i = 0; i < NTHREADS; i++) + thd_join(thds[i], NULL); +} +TEST_END +#undef NTHREADS +#undef NRESET + +int +main(void) +{ + + return (test( + test_prof_thread_name_validation, + test_prof_thread_name_threaded)); +} |