diff --git a/local/patches/relibc/P3-semaphore-comprehensive.patch b/local/patches/relibc/P3-semaphore-comprehensive.patch
index 44c2dc1b5..59e659244 100644
--- a/local/patches/relibc/P3-semaphore-comprehensive.patch
+++ b/local/patches/relibc/P3-semaphore-comprehensive.patch
@@ -1,4 +1,5 @@
 diff --git a/src/header/semaphore/mod.rs b/src/header/semaphore/mod.rs
+index 0ca2fa9..8a1cad4 100644
 --- a/src/header/semaphore/mod.rs
 +++ b/src/header/semaphore/mod.rs
 @@ -2,12 +2,27 @@
@@ -30,7 +31,7 @@ diff --git a/src/header/semaphore/mod.rs b/src/header/semaphore/mod.rs
  };
  
  /// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/semaphore.h.html>.
-@@ -19,11 +34,86 @@
+@@ -19,11 +34,87 @@ pub union sem_t {
      pub align: c_long,
  }
  pub type RlctSempahore = crate::sync::Semaphore;
@@ -67,7 +68,8 @@ diff --git a/src/header/semaphore/mod.rs b/src/header/semaphore/mod.rs
 +) -> *mut sem_t {
 +    let create = (oflag & O_CREAT) != 0;
 +    let shm_flags = if create { O_CREAT | O_EXCL | O_RDWR } else { O_RDWR };
-+    let fd = unsafe { shm_open(name, shm_flags, mode) };
++    let canonical = alloc::format!("sem.{name_cstr}", name_cstr = unsafe { CStr::from_ptr(name) }.to_str().unwrap_or(""));
++    let fd = unsafe { shm_open(canonical.as_ptr() as *const c_char, shm_flags, mode) };
 +    if fd < 0 {
 +        return SEM_FAILED_PTR;
 +    }
@@ -118,7 +120,7 @@ diff --git a/src/header/semaphore/mod.rs b/src/header/semaphore/mod.rs
  }
  
  /// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sem_destroy.html>.
-@@ -50,13 +140,31 @@
+@@ -50,13 +141,31 @@ pub unsafe extern "C" fn sem_init(sem: *mut sem_t, _pshared: c_int, value: c_uin
  }
  
  /// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sem_open.html>.
@@ -154,7 +156,7 @@ diff --git a/src/header/semaphore/mod.rs b/src/header/semaphore/mod.rs
  }
  
  /// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sem_post.html>.
-@@ -76,9 +184,12 @@
+@@ -76,9 +185,12 @@ pub unsafe extern "C" fn sem_trywait(sem: *mut sem_t) -> c_int {
  }
  
  /// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sem_unlink.html>.
@@ -169,19 +171,3 @@ diff --git a/src/header/semaphore/mod.rs b/src/header/semaphore/mod.rs
  }
  
  /// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sem_trywait.html>.
- 
-
-diff --git a/src/header/semaphore/cbindgen.toml b/src/header/semaphore/cbindgen.toml
---- a/src/header/semaphore/cbindgen.toml
-+++ b/src/header/semaphore/cbindgen.toml
-@@ -3,6 +3,9 @@
- after_includes = """
- #include <bits/timespec.h> // for timespec
- """
-+trailer = """
-+#define SEM_FAILED ((sem_t *) -1)
-+"""
- language = "C"
- style = "Type"
- no_includes = true
-