Dmitry V. Levin
96a9ff5746
Automatically change tests/*.c files using the following script: for f in tests/*.c; do grep -Fv errno.h "$f" | grep -Ewq '(si_)?errno|SOCK_FILTER_DENY_SYSCALL' || sed -i '/# *include *<errno\.h>/d' "$f" done
29 lines
555 B
C
29 lines
555 B
C
#include "tests.h"
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#include <fcntl.h>
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#include <sys/syscall.h>
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#if defined __NR_dup3 && defined O_CLOEXEC
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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const long int fd_old = (long int) 0xdeadbeefffffffff;
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const long int fd_new = (long int) 0xdeadbeeffffffffe;
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long rc = syscall(__NR_dup3, fd_old, fd_new, O_CLOEXEC);
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printf("dup3(%d, %d, O_CLOEXEC) = %ld %s (%m)\n",
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(int) fd_old, (int) fd_new, rc, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_dup3 && && O_CLOEXEC")
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#endif
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