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| author | Rich Felker <dalias@aerifal.cx> | 2013-02-03 16:09:05 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2013-02-03 16:09:05 -0500 |
| commit | 89d3df6e5420878e35a93a481105017a94a02852 (patch) | |
| tree | 5ab6a990689dcab0a8eb719993015c0f90fde098 /src/unistd/pipe2.c | |
| parent | d432b2c057fc64256645422382c2f7e32c45b3cc (diff) | |
| download | musl-89d3df6e5420878e35a93a481105017a94a02852.tar.gz musl-89d3df6e5420878e35a93a481105017a94a02852.tar.xz musl-89d3df6e5420878e35a93a481105017a94a02852.zip | |
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).
Diffstat (limited to 'src/unistd/pipe2.c')
| -rw-r--r-- | src/unistd/pipe2.c | 8 |
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; } |