diff options
Diffstat (limited to 'ext/fiddle')
| -rw-r--r-- | ext/fiddle/closure.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/ext/fiddle/closure.c b/ext/fiddle/closure.c index fdb2233b22..d064f11991 100644 --- a/ext/fiddle/closure.c +++ b/ext/fiddle/closure.c @@ -228,7 +228,10 @@ initialize(int rbargc, VALUE argv[], VALUE self) #else result = ffi_prep_closure(pcl, cif, callback, (void *)self); cl->code = (void *)pcl; - mprotect(pcl, sizeof(pcl), PROT_READ | PROT_EXEC); + i = mprotect(pcl, sizeof(pcl), PROT_READ | PROT_EXEC); + if (i) { + rb_sys_fail("mprotect"); + } #endif if (FFI_OK != result) |