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24 lines
571 B
C
24 lines
571 B
C
#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <syscall.h>
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#include "syscall.h"
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int pipe2(int fd[2], int flag)
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{
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if (!flag) return pipe(fd);
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int ret = __syscall(SYS_pipe2, fd, flag);
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if (ret != -ENOSYS) return __syscall_ret(ret);
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ret = pipe(fd);
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if (ret) return ret;
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if (flag & O_CLOEXEC) {
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__syscall(SYS_fcntl, fd[0], F_SETFD, FD_CLOEXEC);
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__syscall(SYS_fcntl, fd[1], F_SETFD, FD_CLOEXEC);
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}
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if (flag & O_NONBLOCK) {
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__syscall(SYS_fcntl, fd[0], F_SETFL, O_NONBLOCK);
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__syscall(SYS_fcntl, fd[1], F_SETFL, O_NONBLOCK);
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}
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return 0;
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}
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