[PATCH v2 05/14] mingw: support waitpid with pid > 0 and WNOHANG

[Erik Faye-Lund <kusmabite@googlemail.com>]

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
---
 compat/mingw.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/compat/mingw.h b/compat/mingw.h
index d934e56..3005472 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -134,8 +134,15 @@ static inline int mingw_unlink(const char *pathname)
 }
 #define unlink mingw_unlink
 
+#define WNOHANG 1
 static inline int waitpid(pid_t pid, int *status, unsigned options)
 {
+	if (pid > 0 && options & WNOHANG) {
+		if (WAIT_OBJECT_0 != WaitForSingleObject((HANDLE)pid, 0))
+			return 0;
+		options &= ~WNOHANG;
+	}
+
 	if (options == 0)
 		return _cwait(status, pid, 0);
 	errno = EINVAL;
-- 
1.6.6.211.g26720