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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
commit8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch)
treedf55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/unistd/pipe2.c
parentInitial commit. (diff)
downloadwasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.tar.xz
wasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.zip
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/unistd/pipe2.c')
-rw-r--r--libc-top-half/musl/src/unistd/pipe2.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/unistd/pipe2.c b/libc-top-half/musl/src/unistd/pipe2.c
new file mode 100644
index 0000000..f24f74f
--- /dev/null
+++ b/libc-top-half/musl/src/unistd/pipe2.c
@@ -0,0 +1,22 @@
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include "syscall.h"
+
+int pipe2(int fd[2], int flag)
+{
+ if (!flag) return pipe(fd);
+ int ret = __syscall(SYS_pipe2, fd, flag);
+ if (ret != -ENOSYS) return __syscall_ret(ret);
+ ret = pipe(fd);
+ if (ret) return ret;
+ if (flag & O_CLOEXEC) {
+ __syscall(SYS_fcntl, fd[0], F_SETFD, FD_CLOEXEC);
+ __syscall(SYS_fcntl, fd[1], F_SETFD, FD_CLOEXEC);
+ }
+ if (flag & O_NONBLOCK) {
+ __syscall(SYS_fcntl, fd[0], F_SETFL, O_NONBLOCK);
+ __syscall(SYS_fcntl, fd[1], F_SETFL, O_NONBLOCK);
+ }
+ return 0;
+}