From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 12 Feb 2011 00:22:29 -0500
Subject: initial check-in, version 0.5.0

---
 src/ipc/shmat.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/ipc/shmat.c

(limited to 'src/ipc/shmat.c')

diff --git a/src/ipc/shmat.c b/src/ipc/shmat.c
new file mode 100644
index 00000000..ff65b6a4
--- /dev/null
+++ b/src/ipc/shmat.c
@@ -0,0 +1,17 @@
+#include <sys/shm.h>
+#include "syscall.h"
+#include "ipc.h"
+
+#ifdef __NR_shmat
+void *shmat(int id, const void *addr, int flag)
+{
+	return syscall3(__NR_shmat, id, (long)addr, flag);
+}
+#else
+void *shmat(int id, const void *addr, int flag)
+{
+	unsigned long ret;
+	ret = syscall5(__NR_ipc, IPCOP_shmat, id, flag, (long)&addr, (long)addr);
+	return (ret > -(unsigned long)SHMLBA) ? (void *)ret : (void *)addr;
+}
+#endif
-- 
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