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-rw-r--r--librt/mq_unlink.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/librt/mq_unlink.c b/librt/mq_unlink.c
new file mode 100644
index 000000000..aee3478e7
--- /dev/null
+++ b/librt/mq_unlink.c
@@ -0,0 +1,38 @@
+/*
+ * mq_unlink.c - remove a message queue.
+ */
+
+#include <errno.h>
+#include <sys/syscall.h>
+
+#include <mqueue.h>
+
+#ifdef __NR_mq_unlink
+
+#define __NR___syscall_mq_unlink __NR_mq_unlink
+static inline _syscall1(int, __syscall_mq_unlink, const char *, name);
+
+/* Remove message queue */
+int mq_unlink(const char *name)
+{
+ int ret;
+ if (name[0] != '/') {
+ __set_errno(EINVAL);
+ return -1;
+ }
+
+ ret = __syscall_mq_unlink(name + 1);
+
+ /* While unlink can return either EPERM or EACCES, mq_unlink should return just EACCES. */
+ if (ret < 0) {
+ ret = errno;
+ if (ret == EPERM)
+ ret = EACCES;
+ __set_errno(ret);
+ ret = -1;
+ }
+
+ return ret;
+}
+
+#endif