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authorRich Felker <dalias@aerifal.cx>2013-02-03 16:09:05 -0500
committerRich Felker <dalias@aerifal.cx>2013-02-03 16:09:05 -0500
commit89d3df6e5420878e35a93a481105017a94a02852 (patch)
tree5ab6a990689dcab0a8eb719993015c0f90fde098
parentd432b2c057fc64256645422382c2f7e32c45b3cc (diff)
downloadmusl-89d3df6e5420878e35a93a481105017a94a02852.tar.gz
streamline old-kernel fallback path of pipe2 to use syscalls directly
also, don't waste code/time on F_GETFL since pipes always have blank flags initially (at least on old kernels, which are all this fallback code matters for).
-rw-r--r--src/unistd/pipe2.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/unistd/pipe2.c b/src/unistd/pipe2.c
index 973e8ec3..bbeabcbf 100644
--- a/src/unistd/pipe2.c
+++ b/src/unistd/pipe2.c
@@ -11,12 +11,12 @@ int pipe2(int fd[2], int flag)
ret = __syscall(SYS_pipe, fd);
if (ret) return __syscall_ret(ret);
if (flag & O_CLOEXEC) {
- fcntl(fd[0], F_SETFD, FD_CLOEXEC);
- fcntl(fd[1], F_SETFD, FD_CLOEXEC);
+ __syscall(SYS_fcntl, fd[0], F_SETFD, FD_CLOEXEC);
+ __syscall(SYS_fcntl, fd[1], F_SETFD, FD_CLOEXEC);
}
if (flag & O_NONBLOCK) {
- fcntl(fd[0], F_SETFL, fcntl(fd[0], F_GETFL) | O_NONBLOCK);
- fcntl(fd[1], F_SETFL, fcntl(fd[1], F_GETFL) | O_NONBLOCK);
+ __syscall(SYS_fcntl, fd[0], F_SETFL, O_NONBLOCK);
+ __syscall(SYS_fcntl, fd[1], F_SETFL, O_NONBLOCK);
}
return 0;
}