kaguya
39 lines
709 B
C++
39 lines
709 B
C++
#include <bits/linux/linux_unistd.h>
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#include <bits/ensure.h>
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#include <errno.h>
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#include <mlibc/posix-sysdeps.hpp>
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#include <mlibc/linux-sysdeps.hpp>
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#include <unistd.h>
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int dup3(int oldfd, int newfd, int flags) {
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if(oldfd == newfd) {
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errno = EINVAL;
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return -1;
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}
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MLIBC_CHECK_OR_ENOSYS(mlibc::sys_dup2, -1);
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if(int e = mlibc::sys_dup2(oldfd, flags, newfd); e) {
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errno = e;
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return -1;
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}
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return newfd;
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}
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int vhangup(void) {
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__ensure(!"Not implemented");
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__builtin_unreachable();
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}
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int getdtablesize(void){
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return sysconf(_SC_OPEN_MAX);
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}
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int syncfs(int fd) {
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MLIBC_CHECK_OR_ENOSYS(mlibc::sys_syncfs, -1);
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if(int e = mlibc::sys_syncfs(fd); e) {
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errno = e;
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return -1;
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}
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return 0;
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}
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