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fix double errno-decoding in the old-kernel fallback path of pipe2 

this bug seems to have caused any failure by pipe2 on such systems to
set errno to 1, rather than the proper error code.
This commit is contained in:
Rich Felker 2012-12-11 09:38:38 -05:00
parent 490d4a0e9e
commit bcc20d2b94
1 changed files with 1 additions and 1 deletions
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2
src/unistd/pipe2.c
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@ -8,7 +8,7 @@ int pipe2(int fd[2], int flag)
if (!flag) return syscall(SYS_pipe, fd);
int ret = __syscall(SYS_pipe2, fd, flag);
if (ret != -ENOSYS) return __syscall_ret(ret);
ret = syscall(SYS_pipe, fd);
ret = __syscall(SYS_pipe, fd);
if (ret) return __syscall_ret(ret);
if (flag & O_CLOEXEC) {
fcntl(fd[0], F_SETFD, FD_CLOEXEC);