Import sources from 2011-03-30 iso image

1 files changed, 17 insertions, 0 deletions

diff --git a/sys/src/libc/9sys/getppid.c b/sys/src/libc/9sys/getppid.c
new file mode 100755
index 000000000..b90b57ee5
--- /dev/null
+++ b/sys/src/libc/9sys/getppid.c
@@ -0,0 +1,17 @@
+#include	<u.h>
+#include	<libc.h>
+
+int
+getppid(void)
+{
+	char b[20];
+	int f;
+
+	memset(b, 0, sizeof(b));
+	f = open("/dev/ppid", 0);
+	if(f >= 0) {
+		read(f, b, sizeof(b));
+		close(f);
+	}
+	return atol(b);
+}