Dmitry V. Levin
cb44289ee3
* tests/vhangup.c (main): Fix expected output for the case when the calling process has CAP_SYS_TTY_CONFIG capability. Reported-by: Yun-Chih Chen <b03902074@ntu.edu.tw>
38 lines
656 B
C
38 lines
656 B
C
#include "tests.h"
|
|
#include <sys/syscall.h>
|
|
|
|
#ifdef __NR_vhangup
|
|
|
|
# include <stdio.h>
|
|
# include <unistd.h>
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
if (setsid() == -1)
|
|
perror_msg_and_skip("setsid");
|
|
|
|
long rc = syscall(__NR_vhangup);
|
|
|
|
/*
|
|
* On setsid() success, the new session has no controlling terminal,
|
|
* therefore a subsequent vhangup() has nothing to hangup.
|
|
*
|
|
* The system call, however, returns 0 iff the calling process
|
|
* has CAP_SYS_TTY_CONFIG capability.
|
|
*/
|
|
if (rc)
|
|
printf("vhangup() = %ld %s (%m)\n", rc, errno2name());
|
|
else
|
|
puts("vhangup() = 0");
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
SKIP_MAIN_UNDEFINED("__NR_vhangup")
|
|
|
|
#endif
|