diff options
Diffstat (limited to 'deps/jemalloc/test/unit/prof_gdump.c')
-rw-r--r-- | deps/jemalloc/test/unit/prof_gdump.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/deps/jemalloc/test/unit/prof_gdump.c b/deps/jemalloc/test/unit/prof_gdump.c new file mode 100644 index 000000000..f7e0aac76 --- /dev/null +++ b/deps/jemalloc/test/unit/prof_gdump.c @@ -0,0 +1,74 @@ +#include "test/jemalloc_test.h" + +static bool did_prof_dump_open; + +static int +prof_dump_open_intercept(bool propagate_err, const char *filename) { + int fd; + + did_prof_dump_open = true; + + fd = open("/dev/null", O_WRONLY); + assert_d_ne(fd, -1, "Unexpected open() failure"); + + return fd; +} + +TEST_BEGIN(test_gdump) { + bool active, gdump, gdump_old; + void *p, *q, *r, *s; + size_t sz; + + test_skip_if(!config_prof); + + active = true; + assert_d_eq(mallctl("prof.active", NULL, NULL, (void *)&active, + sizeof(active)), 0, + "Unexpected mallctl failure while activating profiling"); + + prof_dump_open = prof_dump_open_intercept; + + did_prof_dump_open = false; + p = mallocx((1U << SC_LG_LARGE_MINCLASS), 0); + assert_ptr_not_null(p, "Unexpected mallocx() failure"); + assert_true(did_prof_dump_open, "Expected a profile dump"); + + did_prof_dump_open = false; + q = mallocx((1U << SC_LG_LARGE_MINCLASS), 0); + assert_ptr_not_null(q, "Unexpected mallocx() failure"); + assert_true(did_prof_dump_open, "Expected a profile dump"); + + gdump = false; + sz = sizeof(gdump_old); + assert_d_eq(mallctl("prof.gdump", (void *)&gdump_old, &sz, + (void *)&gdump, sizeof(gdump)), 0, + "Unexpected mallctl failure while disabling prof.gdump"); + assert(gdump_old); + did_prof_dump_open = false; + r = mallocx((1U << SC_LG_LARGE_MINCLASS), 0); + assert_ptr_not_null(q, "Unexpected mallocx() failure"); + assert_false(did_prof_dump_open, "Unexpected profile dump"); + + gdump = true; + sz = sizeof(gdump_old); + assert_d_eq(mallctl("prof.gdump", (void *)&gdump_old, &sz, + (void *)&gdump, sizeof(gdump)), 0, + "Unexpected mallctl failure while enabling prof.gdump"); + assert(!gdump_old); + did_prof_dump_open = false; + s = mallocx((1U << SC_LG_LARGE_MINCLASS), 0); + assert_ptr_not_null(q, "Unexpected mallocx() failure"); + assert_true(did_prof_dump_open, "Expected a profile dump"); + + dallocx(p, 0); + dallocx(q, 0); + dallocx(r, 0); + dallocx(s, 0); +} +TEST_END + +int +main(void) { + return test_no_reentrancy( + test_gdump); +} |