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[Qemu-trivial] [PATCH 1/5] oslib-posix: add qemu_pipe_non_block


From: Alon Levy
Subject: [Qemu-trivial] [PATCH 1/5] oslib-posix: add qemu_pipe_non_block
Date: Tue, 4 Jun 2013 16:23:35 -0400

Used by the followin patch.

Signed-off-by: Alon Levy <address@hidden>
---
 include/qemu-common.h |  1 +
 util/oslib-posix.c    | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/include/qemu-common.h b/include/qemu-common.h
index cb82ef3..c24d75c 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -232,6 +232,7 @@ ssize_t qemu_recv_full(int fd, void *buf, size_t count, int 
flags)
 
 #ifndef _WIN32
 int qemu_pipe(int pipefd[2]);
+int qemu_pipe_non_block(int pipefd[2]);
 #endif
 
 #ifdef _WIN32
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 3dc8b1b..bc2ce2e 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -188,6 +188,25 @@ int qemu_pipe(int pipefd[2])
     return ret;
 }
 
+int qemu_pipe_non_block(int pipefd[2])
+{
+    int ret;
+
+    ret = qemu_pipe(pipefd);
+    if (ret) {
+        return ret;
+    }
+    if (fcntl(card->pipe[0], F_SETFL, O_NONBLOCK) == -1) {
+        return -errno;
+    }
+    if (fcntl(card->pipe[1], F_SETFL, O_NONBLOCK) == -1) {
+        return -errno;
+    }
+    if (fcntl(card->pipe[0], F_SETOWN, getpid()) == -1) {
+        return -errno;
+    }
+}
+
 int qemu_utimens(const char *path, const struct timespec *times)
 {
     struct timeval tv[2], tv_now;
-- 
1.8.2.1




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