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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /rt/tst-cputimer3.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'rt/tst-cputimer3.c')
-rw-r--r--rt/tst-cputimer3.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/rt/tst-cputimer3.c b/rt/tst-cputimer3.c
deleted file mode 100644
index 056766a377..0000000000
--- a/rt/tst-cputimer3.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/* Tests for POSIX timer implementation using another process's CPU clock.  */
-
-#include <unistd.h>
-
-#if _POSIX_THREADS && defined _POSIX_CPUTIME
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <time.h>
-#include <signal.h>
-#include <sys/wait.h>
-
-static clockid_t child_clock;
-
-#define TEST_CLOCK child_clock
-#define TEST_CLOCK_MISSING(clock) \
-  (setup_test () ? "other-process CPU clock timer support" : NULL)
-
-/* This function is intended to rack up both user and system time.  */
-static void
-chew_cpu (void)
-{
-  while (1)
-    {
-      static volatile char buf[4096];
-      for (int i = 0; i < 100; ++i)
-	for (size_t j = 0; j < sizeof buf; ++j)
-	  buf[j] = 0xaa;
-      int nullfd = open ("/dev/null", O_WRONLY);
-      for (int i = 0; i < 100; ++i)
-	for (size_t j = 0; j < sizeof buf; ++j)
-	  buf[j] = 0xbb;
-      write (nullfd, (char *) buf, sizeof buf);
-      close (nullfd);
-      if (getppid () == 1)
-	_exit (2);
-    }
-}
-
-static pid_t child;
-static void
-cleanup_child (void)
-{
-  if (child <= 0)
-    return;
-  if (kill (child, SIGKILL) < 0 && errno != ESRCH)
-    printf ("cannot kill child %d: %m\n", child);
-  else
-    {
-      int status;
-      errno = 0;
-      if (waitpid (child, &status, 0) != child)
-	printf ("waitpid %d: %m\n", child);
-    }
-}
-#define CLEANUP_HANDLER cleanup_child ()
-
-static int
-setup_test (void)
-{
-  /* Test timers on a process CPU clock by having a child process eating
-     CPU.  First make sure we can make such timers at all.  */
-
-  int pipefd[2];
-  if (pipe (pipefd) < 0)
-    {
-      printf ("pipe: %m\n");
-      exit (1);
-    }
-
-  child = fork ();
-
-  if (child == 0)
-    {
-      char c;
-      close (pipefd[1]);
-      if (read (pipefd[0], &c, 1) == 1)
-	chew_cpu ();
-      _exit (1);
-    }
-
-  if (child < 0)
-    {
-      printf ("fork: %m\n");
-      exit (1);
-    }
-
-  atexit (&cleanup_child);
-
-  close (pipefd[0]);
-
-  int e = clock_getcpuclockid (child, &child_clock);
-  if (e == EPERM)
-    {
-      puts ("clock_getcpuclockid does not support other processes");
-      return 1;
-    }
-  if (e != 0)
-    {
-      printf ("clock_getcpuclockid: %s\n", strerror (e));
-      exit (1);
-    }
-
-  timer_t t;
-  if (timer_create (TEST_CLOCK, NULL, &t) != 0)
-    {
-      printf ("timer_create: %m\n");
-      return 1;
-    }
-  timer_delete (t);
-
-  /* Get the child started chewing.  */
-  if (write (pipefd[1], "x", 1) != 1)
-    {
-      printf ("write to pipe: %m\n");
-      return 1;
-    }
-  close (pipefd[1]);
-
-  return 0;
-}
-
-#else
-# define TEST_CLOCK_MISSING(clock) "process clocks"
-#endif
-
-#include "tst-timer4.c"