Import sources from 2011-03-30 iso image

1 files changed, 32 insertions, 0 deletions

diff --git a/sys/src/libc/9sys/postnote.c b/sys/src/libc/9sys/postnote.c
new file mode 100755
index 000000000..46564e9ea
--- /dev/null
+++ b/sys/src/libc/9sys/postnote.c
@@ -0,0 +1,32 @@
+#include <u.h>
+#include <libc.h>
+
+int
+postnote(int group, int pid, char *note)
+{
+	char file[128];
+	int f, r;
+
+	switch(group) {
+	case PNPROC:
+		sprint(file, "/proc/%d/note", pid);
+		break;
+	case PNGROUP:
+		sprint(file, "/proc/%d/notepg", pid);
+		break;
+	default:
+		return -1;
+	}
+
+	f = open(file, OWRITE);
+	if(f < 0)
+		return -1;
+
+	r = strlen(note);
+	if(write(f, note, r) != r) {
+		close(f);
+		return -1;
+	}
+	close(f);
+	return 0;
+}