Windows does not have the getppid(), getuid(), getgid() functions.
We do get a random seed from CryptGenRandom(). That seed along with
process id and current time hopefully is good enough.
Signed-off-by: Gurucharan Shetty <gshe...@nicira.com>
---
include/windows/windefs.h | 4 ++++
lib/uuid.c | 6 ++++++
2 files changed, 10 insertions(+)
diff --git a/include/windows/windefs.h b/include/windows/windefs.h
index 6d36adc..6fde1ea 100644
--- a/include/windows/windefs.h
+++ b/include/windows/windefs.h
@@ -32,4 +32,8 @@
#define u_int32_t uint32_t
#define u_int64_t uint64_t
+typedef int pid_t;
+typedef int uid_t;
+typedef int gid_t;
+
#endif /* windefs.h */
diff --git a/lib/uuid.c b/lib/uuid.c
index 315c851..9ac5b55 100644
--- a/lib/uuid.c
+++ b/lib/uuid.c
@@ -220,17 +220,23 @@ do_init(void)
get_entropy_or_die(random_seed, sizeof random_seed);
xgettimeofday(&now);
pid = getpid();
+#ifndef _WIN32
ppid = getppid();
uid = getuid();
gid = getgid();
+#endif
/* Convert seed into key. */
sha1_init(&sha1_ctx);
sha1_update(&sha1_ctx, random_seed, sizeof random_seed);
sha1_update(&sha1_ctx, &pid, sizeof pid);
+#ifndef _WIN32
sha1_update(&sha1_ctx, &ppid, sizeof ppid);
sha1_update(&sha1_ctx, &uid, sizeof uid);
sha1_update(&sha1_ctx, &gid, sizeof gid);
+#else
+ sha1_update(&sha1_ctx, &now, sizeof now);
+#endif
sha1_final(&sha1_ctx, sha1);
/* Generate key. */
--
1.7.9.5
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