diff options
Diffstat (limited to 'tests/test_core.py')
-rw-r--r-- | tests/test_core.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/test_core.py b/tests/test_core.py index 0df4eeef..ff768b5c 100644 --- a/tests/test_core.py +++ b/tests/test_core.py @@ -6226,6 +6226,70 @@ ok Settings.EXPORTED_FUNCTIONS = ['_main', '_malloc', '_free'] self.do_run(src, '''*294,153*''', force_c=True, post_build=self.dlfcn_post_build) + def test_dlfcn_longjmp(self): + if not self.can_dlfcn(): return + + self.prep_dlfcn_lib() + lib_src = r''' + #include <setjmp.h> + + void jumpy(jmp_buf buf) { + static int i = 0; + i++; + if (i == 10) longjmp(buf, i); + printf("pre %d\n", i); + } + ''' + Settings.EXPORTED_FUNCTIONS = ['_jumpy'] + dirname = self.get_dir() + filename = os.path.join(dirname, 'liblib.c') + self.build(lib_src, dirname, filename) + shutil.move(filename + '.o.js', os.path.join(dirname, 'liblib.so')) + + self.prep_dlfcn_main() + src = r''' + #include <assert.h> + #include <stdio.h> + #include <dlfcn.h> + #include <setjmp.h> + + typedef void (*jumpfunc)(jmp_buf); + + int main() { + printf("go!\n"); + + void *lib_handle; + lib_handle = dlopen("liblib.so", RTLD_NOW); + assert(lib_handle != NULL); + + jumpfunc jumpy = (jumpfunc)dlsym(lib_handle, "jumpy"); + assert(jumpy); + + jmp_buf buf; + int jmpval = setjmp(buf); + if (jmpval == 0) { + while (1) jumpy(buf); + } else { + printf("out!\n"); + } + + return 0; + } + ''' + Settings.EXPORTED_FUNCTIONS = ['_main', '_malloc', '_free'] + self.do_run(src, '''go! +pre 1 +pre 2 +pre 3 +pre 4 +pre 5 +pre 6 +pre 7 +pre 8 +pre 9 +out! +''', post_build=self.dlfcn_post_build, force_c=True) + def zzztest_dlfcn_exceptions(self): # TODO: make this work. need to forward tempRet0 across modules if not self.can_dlfcn(): return |