hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
35 lines
601 B
C
35 lines
601 B
C
#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_vhangup
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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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if (setsid() == -1)
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perror_msg_and_skip("setsid");
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long rc = syscall(__NR_vhangup);
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/*
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* On setsid() success, the new session has no controlling terminal,
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* therefore a subsequent vhangup() has nothing to hangup.
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*
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* The system call, however, returns 0 iff the calling process
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* has CAP_SYS_TTY_CONFIG capability.
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*/
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printf("vhangup() = %s\n", sprintrc(rc));
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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_vhangup")
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#endif
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