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/* COVERAGE: kcmp */
#define _GNU_SOURCE
#include <sys/types.h>
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef __NR_kcmp
// The kernel-headers-3.13.9-200.fc20 doesn't have linux/kcmp.h,
// thus defining needed enum here:
enum kcmp_type {
KCMP_FILE,
KCMP_VM,
KCMP_FILES,
KCMP_FS,
KCMP_SIGHAND,
KCMP_IO,
KCMP_SYSVSEM,
KCMP_TYPES,
};
static inline int __kcmp(pid_t pid1, pid_t pid2, int type,
unsigned long idx1, unsigned long idx2)
{
return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
}
int main()
{
int mypid = getpid();
unsigned long fd = open("kcmp_testfile", O_CREAT);
__kcmp(mypid, mypid, KCMP_FILE, fd, fd);
//staptest// [[[[kcmp (NNNN, NNNN, KCMP_FILE, NNNN, NNNN) = 0!!!!ni_syscall () = -38 (ENOSYS)]]]]
// Limit testing
__kcmp(-1, 0, 0, 0, 0);
//staptest// [[[[kcmp (-1, 0, KCMP_FILE, 0, 0)!!!!ni_syscall ()]]]] = -NNNN
__kcmp(0, -1, 0, 0, 0);
//staptest// [[[[kcmp (0, -1, KCMP_FILE, 0, 0)!!!!ni_syscall ()]]]] = -NNNN
__kcmp(0, 0, -1, 0, 0);
//staptest// [[[[kcmp (0, 0, 0x[f]+, 0, 0)!!!!ni_syscall ()]]]] = -NNNN
__kcmp(0, 0, 0, -1, 0);
#if __WORDSIZE == 64
//staptest// [[[[kcmp (0, 0, KCMP_FILE, 18446744073709551615, 0)!!!!ni_syscall ()]]]] = -NNNN
#else
//staptest// [[[[kcmp (0, 0, KCMP_FILE, 4294967295, 0)!!!!ni_syscall ()]]]] = -NNNN
#endif
__kcmp(0, 0, 0, 0, -1);
#if __WORDSIZE == 64
//staptest// [[[[kcmp (0, 0, KCMP_FILE, 0, 18446744073709551615)!!!!ni_syscall ()]]]] = -NNNN
#else
//staptest// [[[[kcmp (0, 0, KCMP_FILE, 0, 4294967295)!!!!ni_syscall ()]]]] = -NNNN
#endif
close(fd);
unlink("kcmp_testfile");
return 0;
}
#else
int main()
{
return 0;
}
#endif /* ifdef __NR_kcmp */
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