Last change
on this file since 352 was 352, checked in by coas-nagasima, 6 years ago |
arm向けASP3版ECNLを追加
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Property svn:eol-style
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native
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Property svn:mime-type
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text/x-csrc;charset=UTF-8
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File size:
613 bytes
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Rev | Line | |
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[352] | 1 | #define _GNU_SOURCE
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| 2 | #include <unistd.h>
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| 3 | #include <errno.h>
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| 4 | #include <fcntl.h>
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| 5 | #include "syscall.h"
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| 6 | #include "libc.h"
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| 7 |
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| 8 | int __dup3(int old, int new, int flags)
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| 9 | {
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| 10 | int r;
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| 11 | #ifdef SYS_dup2
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| 12 | if (old==new) return __syscall_ret(-EINVAL);
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| 13 | if (flags & O_CLOEXEC) {
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| 14 | while ((r=__syscall(SYS_dup3, old, new, flags))==-EBUSY);
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| 15 | if (r!=-ENOSYS) return __syscall_ret(r);
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| 16 | }
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| 17 | while ((r=__syscall(SYS_dup2, old, new))==-EBUSY);
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| 18 | if (flags & O_CLOEXEC) __syscall(SYS_fcntl, new, F_SETFD, FD_CLOEXEC);
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| 19 | #else
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| 20 | while ((r=__syscall(SYS_dup3, old, new, flags))==-EBUSY);
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| 21 | #endif
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| 22 | return __syscall_ret(r);
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| 23 | }
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| 24 |
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| 25 | weak_alias(__dup3, dup3);
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