testsuite/systemtap.syscall/poll.c

   1 /* COVERAGE: epoll_create epoll_ctl epoll_wait epoll_pwait poll ppoll */
   2 #define _GNU_SOURCE
   3 #include <stdio.h>
   4 #include <sys/epoll.h>
   5 #include <poll.h>
   6 #include <signal.h>
   7 #include <sys/syscall.h>
   8
   9
  10 #ifdef SYS_epoll_pwait
  11 int __epoll_pwait(int epfd, struct epoll_event *events,
  12                   int maxevents, int timeout,
  13                   const sigset_t *set)
  14 {
  15     return syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout,
  16                    set, _NSIG / 8);
  17 }
  18 #endif
  19
  20 int main()
  21 {
  22   struct epoll_event ev, events[17];
  23   struct pollfd pfd = {7, 0x23, 0};
  24   int fd;
  25   struct timespec tim = {.tv_sec=0, .tv_nsec=200000000};
  26   sigset_t sigs;
  27
  28   sigemptyset(&sigs);
  29   sigaddset(&sigs,SIGUSR2);
  30
  31 #ifdef EPOLL_CLOEXEC
  32   fd = epoll_create1(EPOLL_CLOEXEC);
  33   //staptest// epoll_create1 (EPOLL_CLOEXEC) = NNNN
  34
  35   epoll_create1(-1);
  36   //staptest// epoll_create1 (EPOLL_CLOEXEC|0xfff7ffff) = -NNNN (EINVAL)
  37 #else
  38   fd = epoll_create(32);
  39   //staptest// epoll_create (32) = NNNN
  40
  41   epoll_create(-1);
  42   //staptest// epoll_create (-1) = -NNNN (EINVAL)
  43 #endif
  44
  45   epoll_ctl(fd, EPOLL_CTL_ADD, 13, &ev);
  46   //staptest// epoll_ctl (NNNN, EPOLL_CTL_ADD, 13, XXXX) = -NNNN (EBADF)
  47
  48   epoll_ctl(-1, EPOLL_CTL_ADD, 13, &ev);
  49   //staptest// epoll_ctl (-1, EPOLL_CTL_ADD, 13, XXXX) = -NNNN (EBADF)
  50
  51   epoll_ctl(fd, -1, 13, &ev);
  52   //staptest// epoll_ctl (NNNN, 0xffffffff, 13, XXXX) = -NNNN (EBADF)
  53
  54   epoll_ctl(fd, EPOLL_CTL_ADD, -1, &ev);
  55   //staptest// epoll_ctl (NNNN, EPOLL_CTL_ADD, -1, XXXX) = -NNNN (EBADF)
  56
  57   epoll_ctl(fd, EPOLL_CTL_ADD, 13, (struct epoll_event *)-1);
  58 #ifdef __s390__
  59   //staptest// epoll_ctl (NNNN, EPOLL_CTL_ADD, 13, 0x[7]?[f]+) = -NNNN (EFAULT)
  60 #else
  61   //staptest// epoll_ctl (NNNN, EPOLL_CTL_ADD, 13, 0x[f]+) = -NNNN (EFAULT)
  62 #endif
  63
  64   epoll_wait(fd, events, 17, 0);
  65 #if defined(__aarch64__)
  66   //staptest// epoll_pwait (NNNN, XXXX, 17, 0, XXXX, NNNN) = 0
  67 #else
  68   //staptest// epoll_wait (NNNN, XXXX, 17, 0) = 0
  69 #endif
  70
  71   epoll_wait(-1, events, 17, 0);
  72 #if defined(__aarch64__)
  73   //staptest// epoll_pwait (-1, XXXX, 17, 0, XXXX, NNNN) = -NNNN (EBADF)
  74 #else
  75   //staptest// epoll_wait (-1, XXXX, 17, 0) = -NNNN (EBADF)
  76 #endif
  77
  78   epoll_wait(fd, (struct epoll_event *)-1, 17, 0);
  79 #ifdef __s390__
  80   //staptest// epoll_wait (NNNN, 0x[7]?[f]+, 17, 0) =
  81 #elif defined(__aarch64__)
  82   //staptest// epoll_pwait (NNNN, 0x[f]+, 17, 0, XXXX, NNNN) = NNNN
  83 #else
  84   //staptest// epoll_wait (NNNN, 0x[f]+, 17, 0) =
  85 #endif
  86
  87   epoll_wait(fd, events, -1, 0);
  88 #if defined(__aarch64__)
  89   //staptest// epoll_pwait (NNNN, XXXX, -1, 0, XXXX, NNNN) = NNNN (EINVAL)
  90 #else
  91   //staptest// epoll_wait (NNNN, XXXX, -1, 0) = -NNNN (EINVAL)
  92 #endif
  93
  94   epoll_wait(-1, events, 17, -1);
  95 #if defined(__aarch64__)
  96   //staptest// epoll_pwait (-1, XXXX, 17, -1, XXXX, NNNN) = NNNN (EBADF)
  97 #else
  98   //staptest// epoll_wait (-1, XXXX, 17, -1) = -NNNN (EBADF)
  99 #endif
 100
 101 // RHEL5 x86_64 defines SYS_epoll_pwait, but doesn't have epoll_pwait()
 102 #ifdef SYS_epoll_pwait
 103   __epoll_pwait(fd, events, 17, 0, NULL);
 104   //staptest// [[[[epoll_pwait (NNNN, XXXX, 17, 0, 0x0, NNNN) = 0!!!!ni_syscall () = -38 (ENOSYS)]]]]
 105
 106   __epoll_pwait(fd, events, 17, 0, &sigs);
 107   //staptest// [[[[epoll_pwait (NNNN, XXXX, 17, 0, XXXX, NNNN) = 0!!!!ni_syscall () = -38 (ENOSYS)]]]]
 108
 109   __epoll_pwait(-1, events, 17, 0, &sigs);
 110   //staptest// [[[[epoll_pwait (-1, XXXX, 17, 0, XXXX, NNNN) = -NNNN (EBADF)!!!!ni_syscall () = -38 (ENOSYS)]]]]
 111
 112   __epoll_pwait(fd, (struct epoll_event *)-1, 17, 0, &sigs);
 113 #ifdef __s390__
 114   //staptest// epoll_pwait (NNNN, 0x[7]?[f]+, 17, 0, XXXX, NNNN) =
 115 #else
 116   //staptest// [[[[epoll_pwait (NNNN, 0x[f]+, 17, 0, XXXX, NNNN) =!!!!ni_syscall () = -38 (ENOSYS)]]]]
 117 #endif
 118
 119   __epoll_pwait(fd, events, -1, 0, &sigs);
 120   //staptest// [[[[epoll_pwait (NNNN, XXXX, -1, 0, XXXX, NNNN) = -NNNN (EINVAL)!!!!ni_syscall () = -38 (ENOSYS)]]]]
 121
 122   __epoll_pwait(-1, events, 17, -1, &sigs);
 123   //staptest// [[[[epoll_pwait (-1, XXXX, 17, -1, XXXX, NNNN) = -NNNN (EBADF)!!!!ni_syscall () = -38 (ENOSYS)]]]]
 124
 125   __epoll_pwait(fd, events, 17, 0, (sigset_t *)-1);
 126 #ifdef __s390__
 127   //staptest// epoll_pwait (NNNN, XXXX, 17, 0, 0x[7]?[f]+, NNNN) = -NNNN (EFAULT)
 128 #else
 129   //staptest// [[[[epoll_pwait (NNNN, XXXX, 17, 0, 0x[f]+, NNNN) = -NNNN (EFAULT)!!!!ni_syscall () = -38 (ENOSYS)]]]]
 130 #endif
 131 #endif
 132
 133   close(fd);
 134   //staptest// close (NNNN) = 0
 135
 136   poll(&pfd, 1, 0);
 137 #if defined(__aarch64__)
 138   //staptest// ppoll (XXXX, 1, \[0.000000000\], XXXX, NNNN) = NNNN
 139 #else
 140   //staptest// poll (XXXX, 1, 0) = NNNN
 141 #endif
 142
 143   poll((struct pollfd *)-1, 1, 0);
 144 #ifdef __s390__
 145   //staptest// poll (0x[7]?[f]+, 1, 0) = -NNNN (EFAULT)
 146 #elif defined(__aarch64__)
 147   //staptest// ppoll (0x[f]+, 1, \[0.000000000\], XXXX, NNNN) = -NNNN (EFAULT)
 148 #else
 149   //staptest// poll (0x[f]+, 1, 0) = -NNNN (EFAULT)
 150 #endif
 151
 152   poll(&pfd, -1, 0);
 153 #if defined(__aarch64__)
 154   //staptest// ppoll (XXXX, 4294967295, \[0.000000000\], XXXX, NNNN) = -NNNN (EINVAL)
 155 #else
 156   //staptest// poll (XXXX, 4294967295, 0) = -NNNN (EINVAL)
 157 #endif
 158
 159   // A timetout value of -1 means an infinite timeout. So, we'll also
 160   // send a NULL pollfd structure pointer.
 161   poll(NULL, 1, -1);
 162 #if defined(__aarch64__)
 163   //staptest// ppoll (0x0, 1, NULL, XXXX, NNNN) = -NNNN (EFAULT)
 164 #else
 165   //staptest// poll (0x0, 1, -1) = -NNNN (EFAULT)
 166 #endif
 167
 168 #ifdef SYS_ppoll
 169   ppoll(&pfd, 1, &tim, &sigs);
 170   //staptest//  ppoll (XXXX, 1, \[0.200000000\], XXXX, 8) = NNNN
 171
 172   ppoll((struct pollfd *)-1, 1, &tim, &sigs);
 173 #ifdef __s390__
 174   //staptest//  ppoll (0x[7]?[f]+, 1, \[0.200000000\], XXXX, 8) = -NNNN (EFAULT)
 175 #else
 176   //staptest//  ppoll (0x[f]+, 1, \[0.200000000\], XXXX, 8) = -NNNN (EFAULT)
 177 #endif
 178
 179   ppoll(&pfd, -1, &tim, &sigs);
 180   //staptest//  ppoll (XXXX, 4294967295, \[0.200000000\], XXXX, 8) = -NNNN (EINVAL)
 181
 182   // Specifying a timespec pointer of -1 will crash the test
 183   // executable, so we'll have to skip it.
 184   //ppoll((struct pollfd *)-1, 1, (struct timespec *)-1, &sigs);
 185
 186   ppoll(&pfd, 1, &tim, (sigset_t *)-1);
 187 #ifdef __s390__
 188   //staptest//  ppoll (XXXX, 1, \[0.200000000\], 0x[7]?[f]+, 8) = -NNNN (EFAULT)
 189 #else
 190   //staptest//  ppoll (XXXX, 1, \[0.200000000\], 0x[f]+, 8) = -NNNN (EFAULT)
 191 #endif
 192 #endif
 193
 194   return 0;
 195 }