vasilito/RedBear-OS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat(dlfcn): define RTLD_DEFAULT

Browse Source 
Signed-off-by: Anhad Singh <andypython@protonmail.com>
This commit is contained in:
Anhad Singh
2024-12-25 19:27:31 +11:00
parent 2be4316aec
commit 1ffd7187ef
2 changed files with 25 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/header/dlfcn/mod.rs
+2 -3
View File
@@ -21,13 +21,12 @@ use crate::{
pub const RTLD_LAZY: c_int = 1 << 0;
pub const RTLD_NOW: c_int = 1 << 1;
// FIXME(andypython):
// #ifdef _GNU_SOURCE
pub const RTLD_NOLOAD: c_int = 1 << 2;
// #endif
pub const RTLD_GLOBAL: c_int = 1 << 8;
pub const RTLD_LOCAL: c_int = 0x0000;
pub const RTLD_DEFAULT: *mut c_void = 0 as *mut c_void; // XXX: cbindgen doesn't like ptr::null_mut()
static ERROR_NOT_SUPPORTED: CStr = c_str!("dlfcn not supported");
#[thread_local]
tests/dlopen_scopes.c
+23 -28
View File
@@ -4,40 +4,35 @@
#include <stdlib.h>
#include <string.h>
// FIXME(andpython): should be defined in dlfcn.h
#ifndef RTLD_DEFAULT
#define RTLD_DEFAULT NULL
#endif
int main(void) {
void *handle = dlopen("libfoobar.so", RTLD_LAZY | RTLD_LOCAL);
if (!handle) {
printf("dlopen(libfoobar.so): %s\n", dlerror());
return EXIT_FAILURE;
}
void *handle = dlopen("libfoobar.so", RTLD_LAZY | RTLD_LOCAL);
if (!handle) {
printf("dlopen(libfoobar.so): %s\n", dlerror());
return EXIT_FAILURE;
}
assert(dlsym(handle, "BAR") != NULL);
assert(dlsym(handle, "FOO") != NULL);
// not in the global scope
assert(dlsym(RTLD_DEFAULT, "BAR") == NULL);
assert(dlsym(RTLD_DEFAULT, "FOO") == NULL);
assert(dlsym(handle, "BAR") != NULL);
assert(dlsym(handle, "FOO") != NULL);
// not in the global scope
assert(dlsym(RTLD_DEFAULT, "BAR") == NULL);
assert(dlsym(RTLD_DEFAULT, "FOO") == NULL);
void *self = dlopen(NULL, RTLD_LAZY | RTLD_LOCAL);
if (!self) {
printf("dlopen(NULL): %s\n", dlerror());
return EXIT_FAILURE;
}
void *self = dlopen(NULL, RTLD_LAZY | RTLD_LOCAL);
if (!self) {
printf("dlopen(NULL): %s\n", dlerror());
return EXIT_FAILURE;
}
assert(dlsym(self, "FOO") == NULL);
assert(dlsym(self, "BAR") == NULL);
assert(dlsym(self, "FOO") == NULL);
assert(dlsym(self, "BAR") == NULL);
assert(dlclose(self) == 0);
assert(dlclose(self) == 0);
// Promote the library to the global scope.
assert(dlopen("libfoobar.so", /* RTLD_NOLOAD |*/ RTLD_NOW | RTLD_GLOBAL));
// Promote the library to the global scope.
assert(dlopen("libfoobar.so", /* RTLD_NOLOAD |*/ RTLD_NOW | RTLD_GLOBAL));
assert(dlsym(RTLD_DEFAULT, "FOO") != NULL);
assert(dlsym(RTLD_DEFAULT, "BAR") != NULL);
assert(dlsym(RTLD_DEFAULT, "FOO") != NULL);
assert(dlsym(RTLD_DEFAULT, "BAR") != NULL);
return EXIT_SUCCESS;
return EXIT_SUCCESS;
}