Changeset 78561 in vbox for trunk/src/VBox/Runtime/r3/posix

Timestamp:

May 17, 2019 11:15:02 AM (6 years ago)

Author:

vboxsync

Message:

Runtime/RTShMem,tstRTShMem: Add API to delete a named shared memory object on POSIX hosts and make use of it in the testcase to cleanup any leftovers from previous runs

File:

• trunk/src/VBox/Runtime/r3/posix/shmem-posix.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/r3/posix/shmem-posix.cpp

@@ -214 +214 @@
 
 
+RTDECL(int) RTShMemDelete(const char *pszName)
+{
+    AssertPtrReturn(pszName, VERR_INVALID_POINTER);
+
+    size_t cchName = strlen(pszName);
+    AssertReturn(cchName, VERR_INVALID_PARAMETER);
+    AssertReturn(cchName < NAME_MAX - 1, VERR_INVALID_PARAMETER); /* account for the / we add later on. */
+    char *psz = NULL;
+
+    int rc = RTStrAllocEx(&psz, cchName + 2); /* '/' + terminator */
+    if (RT_SUCCESS(rc))
+    {
+        psz[0] = '/';
+        memcpy(&psz[1], pszName, cchName + 1);
+        if (shm_unlink(psz))
+            rc = RTErrConvertFromErrno(errno);
+        RTStrFree(psz);
+    }
+
+    return rc;
+}
+
+
 RTDECL(uint32_t) RTShMemRefCount(RTSHMEM hShMem)
 {