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authorJes Sorensen <[email protected]>2010-10-26 10:39:21 +0200
committerBlue Swirl <[email protected]>2010-10-30 08:02:37 +0000
commit70e72ce45e1f06415b5ec28439c2a87a72e5aad3 (patch)
tree9773bc8999946a914c0c63e73bcf195969054935 /oslib-posix.c
parent9549e764bdc24b085cb1bb87400bf6ef79ae9eb1 (diff)
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qemu_pipe() is used only by POSIX code, so move to oslib-posix.c
Signed-off-by: Jes Sorensen <[email protected]> Signed-off-by: Blue Swirl <[email protected]>
Diffstat (limited to 'oslib-posix.c')
-rw-r--r--oslib-posix.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/oslib-posix.c b/oslib-posix.c
index aebe3ac04..ad44b1763 100644
--- a/oslib-posix.c
+++ b/oslib-posix.c
@@ -87,3 +87,25 @@ void qemu_set_cloexec(int fd)
f = fcntl(fd, F_GETFD);
fcntl(fd, F_SETFD, f | FD_CLOEXEC);
}
+
+/*
+ * Creates a pipe with FD_CLOEXEC set on both file descriptors
+ */
+int qemu_pipe(int pipefd[2])
+{
+ int ret;
+
+#ifdef CONFIG_PIPE2
+ ret = pipe2(pipefd, O_CLOEXEC);
+ if (ret != -1 || errno != ENOSYS) {
+ return ret;
+ }
+#endif
+ ret = pipe(pipefd);
+ if (ret == 0) {
+ qemu_set_cloexec(pipefd[0]);
+ qemu_set_cloexec(pipefd[1]);
+ }
+
+ return ret;
+}