From bc4a957c46acd8f4b2f2ffe6b2f90512325924dd Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Tue, 26 Oct 2010 10:39:25 +0200
Subject: Separate qemu_pidfile() into OS specific versions

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
 os-posix.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'os-posix.c')

diff --git a/os-posix.c b/os-posix.c
index 612b641737..38c29d1afe 100644
--- a/os-posix.c
+++ b/os-posix.c
@@ -361,3 +361,24 @@ int qemu_eventfd(int fds[2])
 
     return qemu_pipe(fds);
 }
+
+int qemu_create_pidfile(const char *filename)
+{
+    char buffer[128];
+    int len;
+    int fd;
+
+    fd = qemu_open(filename, O_RDWR | O_CREAT, 0600);
+    if (fd == -1) {
+        return -1;
+    }
+    if (lockf(fd, F_TLOCK, 0) == -1) {
+        return -1;
+    }
+    len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
+    if (write(fd, buffer, len) != len) {
+        return -1;
+    }
+
+    return 0;
+}
-- 
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