125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
#include "test/jemalloc_test.h"
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#ifdef JEMALLOC_PROF
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const char *malloc_conf = "prof:true,prof_active:false";
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#endif
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static void
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mallctl_thread_name_get_impl(const char *thread_name_expected, const char *func,
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int line) {
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const char *thread_name_old;
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size_t sz;
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sz = sizeof(thread_name_old);
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assert_d_eq(mallctl("thread.prof.name", (void *)&thread_name_old, &sz,
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NULL, 0), 0,
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"%s():%d: Unexpected mallctl failure reading thread.prof.name",
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func, line);
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assert_str_eq(thread_name_old, thread_name_expected,
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"%s():%d: Unexpected thread.prof.name value", func, line);
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}
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#define mallctl_thread_name_get(a) \
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mallctl_thread_name_get_impl(a, __func__, __LINE__)
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static void
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mallctl_thread_name_set_impl(const char *thread_name, const char *func,
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int line) {
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assert_d_eq(mallctl("thread.prof.name", NULL, NULL,
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(void *)&thread_name, sizeof(thread_name)), 0,
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"%s():%d: Unexpected mallctl failure reading thread.prof.name",
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func, line);
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mallctl_thread_name_get_impl(thread_name, func, line);
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}
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#define mallctl_thread_name_set(a) \
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mallctl_thread_name_set_impl(a, __func__, __LINE__)
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TEST_BEGIN(test_prof_thread_name_validation) {
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const char *thread_name;
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test_skip_if(!config_prof);
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mallctl_thread_name_get("");
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mallctl_thread_name_set("hi there");
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/* NULL input shouldn't be allowed. */
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thread_name = NULL;
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assert_d_eq(mallctl("thread.prof.name", NULL, NULL,
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(void *)&thread_name, sizeof(thread_name)), EFAULT,
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"Unexpected mallctl result writing \"%s\" to thread.prof.name",
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thread_name);
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/* '\n' shouldn't be allowed. */
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thread_name = "hi\nthere";
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assert_d_eq(mallctl("thread.prof.name", NULL, NULL,
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(void *)&thread_name, sizeof(thread_name)), EFAULT,
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"Unexpected mallctl result writing \"%s\" to thread.prof.name",
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thread_name);
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/* Simultaneous read/write shouldn't be allowed. */
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{
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const char *thread_name_old;
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size_t sz;
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sz = sizeof(thread_name_old);
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assert_d_eq(mallctl("thread.prof.name",
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(void *)&thread_name_old, &sz, (void *)&thread_name,
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sizeof(thread_name)), EPERM,
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"Unexpected mallctl result writing \"%s\" to "
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"thread.prof.name", thread_name);
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}
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mallctl_thread_name_set("");
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}
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TEST_END
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#define NTHREADS 4
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#define NRESET 25
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static void *
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thd_start(void *varg) {
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unsigned thd_ind = *(unsigned *)varg;
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char thread_name[16] = "";
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unsigned i;
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malloc_snprintf(thread_name, sizeof(thread_name), "thread %u", thd_ind);
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mallctl_thread_name_get("");
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mallctl_thread_name_set(thread_name);
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for (i = 0; i < NRESET; i++) {
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assert_d_eq(mallctl("prof.reset", NULL, NULL, NULL, 0), 0,
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"Unexpected error while resetting heap profile data");
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mallctl_thread_name_get(thread_name);
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}
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mallctl_thread_name_set(thread_name);
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mallctl_thread_name_set("");
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return NULL;
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}
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TEST_BEGIN(test_prof_thread_name_threaded) {
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thd_t thds[NTHREADS];
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unsigned thd_args[NTHREADS];
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unsigned i;
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test_skip_if(!config_prof);
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for (i = 0; i < NTHREADS; i++) {
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thd_args[i] = i;
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thd_create(&thds[i], thd_start, (void *)&thd_args[i]);
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}
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for (i = 0; i < NTHREADS; i++) {
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thd_join(thds[i], NULL);
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}
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}
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TEST_END
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#undef NTHREADS
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#undef NRESET
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int
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main(void) {
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return test(
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test_prof_thread_name_validation,
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test_prof_thread_name_threaded);
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}
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