Import sources from 2011-03-30 iso image

1 files changed, 22 insertions, 0 deletions

diff --git a/sys/src/ape/lib/ap/plan9/getpid.c b/sys/src/ape/lib/ap/plan9/getpid.c
new file mode 100755
index 000000000..66eaaae8d
--- /dev/null
+++ b/sys/src/ape/lib/ap/plan9/getpid.c
@@ -0,0 +1,22 @@
+#include "lib.h"
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include "sys9.h"
+
+pid_t
+getpid(void)
+{
+	int n, f;
+	char pidbuf[15];
+
+	f = _OPEN("#c/pid", 0);
+	n = _READ(f, pidbuf, sizeof pidbuf);
+	if(n < 0)
+		_syserrno();
+	else
+		n = atoi(pidbuf);
+	_CLOSE(f);
+	return n;
+}